Items where Year is 1970
Number of items: 234.
,
Cation exchange properties of micsas III Release of potassium sorbed by potassium depleted micas. (1970)
Brown, G., Newman, A. C. D.
Biophysical aspects of nervous activity in relation to studies on the mode of action of insecticides. (1970)
Burt, Paul Ewin
Effects of green manuring, farmyard manure, and straw on the organic matter of soil and of green manuring on available nitrogen. (1970)
Chater, M., Gasser, J. K. R.
Influence of soil moisture on the performance of granular systemic insecticides applied to soil. (1970)
Etheridge, P., Graham-Bryce, I. J.
A major low-level air current near indian ocean during northern summer - interhemispheric transport of air in lower troposphere over western indian ocean. (1970)
Findlate.J,, Mason, B. J., Hide, R., Johnson, D. H., Pothecar.I,, Pedgley, D. E., Murray, R., Pearce, R. P., Petterss.S,, Thorp, J. R., Penman, Howard Latimer, Grinsted, W. A., Cowan, J. L. B., Young, J. R. C., Findlater, J.
The Abundance of Grass Aphids in Eastern England as shown hy Sticky Trap Catches. (1970)
Heathcote, G. D.
Effect of pelleting Sugar Beet seed with menazon. (1970)
Heathcote, G. D.
Effect of plant spacing and time of sowing of sugar beet on aphid infestation and spread of virus yellows. (1970)
Heathcote, G. D.
Notes on some plant bugs and predators of aphids caught on sticky traps in sugar beet fields in southern England, 1965-1968. (1970)
Heathcote, G. D.
Weeds, herbicides and plant virus diseases. (1970)
Heathcote, G. D.
The effect of soil pH on potassium intensity and release of non-exchangeable potassium to ryegrass. (1970)
Islam, A., J., Bolton,
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Effect of ammonium and nitrate forms of nitrogen and restricted water supply on growth and nitrogen uptake of wheat. (1970)
Spratt, E. D., Gasser, J. K. R.
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Survival of different stages of Heterodera rostochiensis at high temperatures. (1970)
Trudgill, D. L.
Variations in the resistance to Heterodera rostochiensis of potatoes derived from Solarium tuberosum ssp. andigena and S. multidissectum. (1970)
Trudgill, D. L., Parrott, D. M.
Morphometrics of Males and Larvae of Ten Heterodera Rostochiensis Populations and the Influence of Resistant Hosts. (1970)
Trudgill, D. L., Parrott, D. M., Stone, A. R.
A
Potassium : calcium exchange in soils of the Broadbalk experiment at Rothamsted. (1970)
Addiscott, Tom
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Use of the quantity/potential relationship to provide a scale of the ability of extractants to remove soil potassium. (1970)
Addiscott, Tom
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A note on resolving soil cation exchange capacity into "mineral" and "organic" fractions. (1970)
Addiscott, Tom
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The potassium Q/l relationships of soils given different K manuring. (1970)
Addiscott, Tom
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The uptake of initially available soil potassium by ryegrass. (1970)
Addiscott, Tom
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Potassium uptake by potatoes. (1970)
Addiscott, Tom, Mitchell, J. D. D.
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Genstat: a general statistics program. (1970)
Alvey, N. G., Gower, John, Lauckner, F. Bruce, Leech, P. K., Nelder, John Ashworth, Rogers, C. E., Ross, G. J. S., Simpson, H. R., Wedderburn, Robert William Maclagan, Wilkinson, G. N.
Virus-like particles in the plant hopper Javesella pellucida Fab. (1970)
Ammar, E. D., Milne, R. G., Watson, Marion
A neotype for Cephalobus persegnis Bastian, 1865, redescription of the species, and observations on variability in taxonomic characters. (1970)
Anderson, R. V., Hooper, D. J.
A measured volume dispenser for watering plants. (1970)
Arnold, A. J.
An oscillating insect barrier. (1970)
Arnold, A. J.
B
Chlorophyllase of sugar-beet leaves. (1970)
Bacon, M. F., Holden, M.
A simple way of purifying several insect viruses. (1970)
Bailey, L., Gibbs, A. J., Woods, R. R.
Effects of varying the hostplant and environmental conditions on the feeding and reproduction of Aphis Fabae. (1970)
Banks, C. J., Macaulay, E. D. M.
Comparison of the biology of Myzus persicae Sulz. resistant and susceptible to dimethoate. (1970)
Banks, C. J., Needham, P. H.
Recent work on wheat bulb fly. (1970)
Bardner, R., Fletcher, K. E., Huston, P.
Effects of flea beetles on the yield of radish. (1970)
Bardner, R., Taylor, W. E.
Musings of an erstwhile plant pathologist. (1970)
Bawden, Frederick
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Nutrition of young conifers an soil fumigation. (1970)
Benzian, Blanche
The distribution of sulphur in the mud of Lake Victoria. (1970)
Bloomfield, C., Brown, G., Catt, John
A herbicide-induced abnormality in sugar beet. (1970)
Boyd, A. E. W., Erskine, D. S. C., Byford, W. J., Webb, D. J.
Multi-level nitrogen tests for cereals. (1970)
Boyd, D. A.
Some recent ideas on fertilizer response curves. (1970)
Boyd, D. A.
Nitrogen requirement of sugar beet grown on mineral soils. (1970)
Boyd, D. A., Tinker, P. B. H., Draycott, A. P., Last, P. J.
Indolyl-3-acetic acid formation by Azotobacter chroococcum. (1970)
Brown, M. E., Walker, N.
Influence of cultivations on soil properties. (1970)
Brown, N. J.
Air motion and precipitation growth in a wave depression. (1970)
Browning, K. A., Harrold, T. W., Scorer, R. S., Miles, M. K., Penman, Howard Latimer
Chemical communication in insects : behavioral and ecologic aspects. (1970)
Butler, Colin Gasking
Chemical communications in insects : behavioral and ecologic aspects. (1970)
Butler, Colin Gasking
Report of the Bee Department 1969 pt 1. (1970)
Butler, Colin Gasking
Hive entrance finding by honeybee (Apis-mellifera) foragers. (1970)
Butler, Colin Gasking, Fletcher, D. J., Watler, D.
Experiments on the effect of plant losses after singling on the yield of sugar beet. (1970)
Byford, W. J.
Myxomycetes on Beet seed. (1970)
Byford, W. J., Carter, S.
C
The stacked-disk structure of tobacco mosaic virus protein. (1970)
Carpenter, J. M.
The quality of stored main crop potatoes in Great Britain. (1970)
Church, B. M., Hampson, C. P., Fox, W. R.
The composition of the cyst wall of the beet cyst-nematode Heterodera schachtii. (1970)
Clark, A. J.
Some factors affecting the activities of dinitrophenol fungicides. (1970)
Clifford, D. R., Hislop, E. C., Holgate, M. E.
Rothamsted Chemistry Department 1969. (1970)
Cooke, George William
Soil fertility problems in cereal growing in temperate zones. (1970)
Cooke, George William
Soils and fertilisers. (1970)
Cooke, George William
The carrying capacity of the land in the year 2000. (1970)
Cooke, George William
Losses of nitrogen and phosphorus from agricultural land. (1970)
Cooke, George William, Williams, Rodney
Cereal Pratylenchus spp. in England and Wales, and their Recognition. (1970)
Corbett, D. C. M.
Maintaining nematode cultures under mineral oil. (1970)
Corbett, D. C. M.
Root‐lesion Nematodes (Pratylenchus spp) in Britain and their Identification. (1970)
Corbett, D. C. M.
Plant and soil nematode population changes in wheat grown continuously in ploughed and in unploughed soil. (1970)
Corbett, D. C. M., Webb, R. M.
The taxonomic status of British water voles Genus Arvicola. (1970)
Corbett, G. B.
Studies on the genus Thermomonospora. (1970)
Cross, T., Lacey, J.
Heterogeneous distribution of nutrients, air and water within the soil. (1970)
Currie, J. A.
Movement of gases in soil respiration. (1970)
Currie, J. A.
D
Nodulation and nitrogen fixation by Vigna sinensis and Vicia atropurpurea: The influence of concentration, form, and site of application of combined nitrogen. (1970)
Dart, P. J., Wildon, D. C.
Distribution of aphids in cereal crops. (1970)
Dean, G. J., Luuring, B. B.
A bivane direction indicator and a sensitive vertical anemometer for measuring components of wind in sheltered places. (1970)
Dibley, G. C., Lewis, T.
The relationship between exchangeable soil magnesium and response by sugar beet to magnesium sulphate. (1970)
Draycott, A. P., Durrant, M. J.
Comparisons of liquid and solid fertilizers and anhydrous ammonia for sugar beet. (1970)
Draycott, A. P., Holliday, R.
Effects of soil compaction on yield and fertilizer requirement of sugar beet. (1970)
Draycott, A. P., Hull, R., Messem, A. B., Webb, D. J.
Sodium and potassium relationships in sugar beet. (1970)
Draycott, A. P., Marsh, J. A. P., Tinker, P. B.
Effect of previous cropping and manuring on the nitrogen fertilizer needed by sugar beet. (1970)
Draycott, A. P., Last, P. J.
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Light and Temperature Thresholds for Take-Off by Aphids. (1970)
Dry, W. W., Taylor, Roy
E
Suspected insecticide resistance mechanism in the peach–potato aphid. (1970)
Eastop, V. F., Banks, C. J.
Effect of Fumigants on Fungi in Buried Wheat Straw. (1970)
Ebbels, D. L.
A semi-quantitative hydrological classification of soils in North-East England. (1970)
Edmonds, D. T., Painter, R. B., Ashley, G. D.
Assessment of terrestrial invertebrate populations. (1970)
Edwards, C. A., Fletcher, K. E.
Persistent pesticides in the environment. (1970)
Edwards, Clive A., Adams, Russell S.
The Relationship between the Structure and the Activity of Pyrethroids. (1970)
Elliott, Michael
Insecticidal activity of the pyrethrins and related compounds: III.—Penetration of pyrethroid insecticides into mustard beetles (Phaedon cochleariae). (1970)
Elliott, Michael, Ford, M. G., Janes, N. F.
The pyrethrins and related compounds: X.—The methylbenzyl chrysanthemates. (1970)
Elliott, Michael, Janes, N. F., Jeffs, K. A.
A simple vacuum-gauge scale expander. (1970)
Elsmere, G. T., Rawson, R. A. G.
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Longevity of males and fertilisation of females of Heterodera rostochiensis. (1970)
Evans, K.
The effects of gamma radiation on Heterodera rostochiensis. (1970)
Evans, K.
F
Interrelationships of nematodes, weeds, herbicides and crops. (1970)
Franklin, M. T.
Effect of flower shapes and nectar guides on the behaviour of foraging honeybees. (1970)
Free, J. B.
The behaviour of wasps (Vespula germanica L. and V. Vulgaris L.) when foraging. (1970)
Free, J. B.
The flower constancy of bumblebees. (1970)
Free, J. B.
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Exposure of the Nasonov gland by honeybees (Apis mellifera) collecting water. (1970)
Free, J. B., Williams, I. H.
Preliminary investigations on the occupation of artificial nests by Osmia rufa L.(Hymenoptera, Megachilidae). (1970)
Free, J. B., Williams, I. H.
Nursery and forest extension experiments in tree nutrition. Nitrogen concentrations in conifer transplants and subsequent growth in the forest. (1970)
Freeman, S. C. R., Benzian, Blanche
G
Experiments with kiln-dried poultry manure on agricultural crops and vegetables at Rothamsted, Woburn and other centres in 1933-39. (1970)
Garner, H. V.
Nitrification inhibitors their occurrence, production and effects of their use on crop yields and composition. (1970)
Gasser, J. K. R.
Some biological effects of ammonia injected into soils. (1970)
Gasser, J. K. R.
The decomposition of crotonylidene di-urea in soil and the recovery of nitrogen by ryegrass. (1970)
Gasser, J. K. R.
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The effects of the nitrogen in soils on the growth, composition and yield of crops. (1970)
Gasser, J. K. R.
Inactivation by ultraviolet radiation at different wavelengths of the RNA isolated from potato virus X. (1970)
Govier, D. A., Kleczkowski, A
Observations On the Fecundity and Longevity of Tylenchus Emarginat Us On Sitka Spruce Seedlings At Different Temperatures. (1970)
Gowen, S. R.
Classification and Geology. (1970)
Gower, John
A note on Burnaby’s character-weighted similarity coefficient. (1970)
Gower, John
Polarography of demeton, disulfoton and phorate. (1970)
Graham-Bryce, I. J.
Pollution of soils. (1970)
Graham-Bryce, I. J., Briggs, G. G.
The influence of multiple mating on the reproduction and genetics of Heterodera rostochiensis and H. schachtii. (1970)
Green, C. D., Greet, D. N., Jones, F. G. W.
The interrelationships of some Heterodera spp. indicated by the specificity of the male attractants emitted by their females. (1970)
Green, C. D., Plumb, S. C.
Optical properties of organic complexes of montmorillonite. (1970)
Greene-Kelly, R.
Silver staining of insect central nervous systems by the Bodian protargol method. (1970)
Gregory, G. E.
Some experiments with different formulations of organophosphorus insecticides as seed dressings to control wheat bulb fly (Leptohylemyia coarctata). (1970)
Griffiths, D. C., Lord, K. A., Scott, G. C.
The Effects of Known Amounts of γ‐BHC and Organophosphorus Seed Dressings on Growth of Wheat Seedlings and on Attack by Larvae of Wheat Bulb Fly (Leptohylemyia coarctata (Fall.)). (1970)
Griffiths, D. C., Scott, G. C., Maskell, F. E., Mathias, P. L., Roberts, P. F.
Microbiological degradation of parathion. (1970)
Griffiths, D. C., Walker, N.
H
Some causes of error in determination of total nitrogen in plant material. (1970)
Hamlyn, F. G., Gasser, J. K. R.
Endogone spore numbers in soil and vesicular-arbuscular mycorrhiza in wheat as influenced by season ans soil treatment. (1970)
Hayman, D. S.
The fumigant effect of metaldehyde on slugs. (1970)
Henderson, I. F.
The cytochrome c-catalysed oxidation of ascorbate in the presence of sodium dodecyl sulphate and NNN'N'-tetramethyl-p-phenylenediamine. (1970)
Hill, J. M.
The oxidation of pyridoxal and related compounds by pea-seedling extracts or systems containing peroxidase. (1970)
Hill, J. M.
Improving the health of seed potatoes. (1970)
Hirst, J. M., Hide, G. A., Griffith, R. L., Stedman, O. J.
Improving the health of seed potatoes. (1970)
Hirst, J. M., Hide, G. A., Griffith, R. L., Stedman, O. J.
Chlorophyll bleaching systems in leaves. (1970)
Holden, M.
Lipoxidase activity of leaves. (1970)
Holden, M.
The effect of sowing date and harvesting date on the yield of sugar beet. (1970)
Hull, R., Webb, D. J.
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Report on leaf scorch decline of coconuts. (1970)
Humphries, E. C.
J
Sulphur as a nutrient for Sitka spruce (Picea sitchensis) seedlings and radish (Raphanus sativus) grown on a sandy podzol in England. (1970)
J., Bolton,, Benzian, Blanche
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The male genitalia of Apis dorsata(F) (Hymenoptera - Apidae). (1970)
James Simpson
Residual effects of soil fumigation on soil respiration and mineralization. (1970)
Jenkinson, David, Powlson, David
Entomological Department at Rothamsted 1970. (1970)
Johnson, C. G.
Field trials of anti-Capsid insecticides on farmers' cocoa in Ghana, 1956-60. 1, Comparing the effects of treatments by assessing subsequent damage. (1970)
Johnson, C. G., Burge, G. A., Gibbs, D. G.
Field trials of anti-Capsid insecticides on farmers' cocoa in Ghana, 1956-60. 1, Comparing the effects of treatments by assessing subsequent damage. (1970)
Johnson, C. G., Burge, G. A., Gibbs, D. G.
The value of residues from long-period manuring at Rothamsted and Woburn I Introduction. (1970)
Johnston, Johnny
The value of residues from long-period manuring at Rothamsted and Woburn II A summary of the results of experiments started by Lawes and Gilbert. (1970)
Johnston, Johnny
The value of residues from long-period manuring at Rothamsted and Woburn III The experiments made from 1957 to 1962, the soils and histories of the sites on which they were made. (1970)
Johnston, Johnny, Warren, R. G.
The value of residues from long-period manuring at Rothamsted and Woburn IV The value to arable crops of residues accumulated from superphosphate. (1970)
Johnston, Johnny, Warren, R. G., Penny, A.
The value of residues from long-period manuring at Rothamsted and Woburn V The value to arable crops of residues accumulated from potassium fertilizers. (1970)
Johnston, Johnny, Warren, R. G., Penny, A.
Infestation of Wheat Plants by the Larvae of Leptohylemyia coarctata (Fall.) in an Insectary. (1970)
Jones, M. G.
Observations on feeding and egg development of the wheat bulb fly Leptohylemyia coarctata (Fall.). (1970)
Jones, M. G.
The control of the potato cyst-nematode. (1970)
Jones, F. G. W.
Potato cyst nematode: one species or two? (1970)
Jones, F. G. W., Carpenter, J. M., Parrott, D. M., Stone, A. R., Trudgill, D. L.
K
Serological relationship of strains of tobacco necrosis virus and their ability to activate strains of satellite virus. (1970)
Kassanis, Basil, Phillips, M. P.
Light and electron microscopy of cells infected with tobacco necrosis and satellite viruses. (1970)
Kassanis, Basil, Vince, D., Woods, R. D.
Lower limits of molecular weights of compounds excluded from sephadex G-25 eluted with aqueous acetone mixtures : Application of the results to the separation of the components of tannic acid. (1970)
King, H. G. C., Pruden, G.
Distribution of snail-killing flies (Diptera, Sciomyzidae) in the British Isles. (1970)
Knutson, L. V., Stephenson, J. W.
Biosystematic studies of Salticella fasciata (Meigen), a snail-killing fly (Diptera: Sciomyzidae). (1970)
Knutson, L. V., Stephenson, J. W., Berg, C. O.
L
Glasshouse and leaf canopy enclosures for studying the effects of environment on the growth and nature of the photosynaptic apparatus. (1970)
Lake, J. V.
Soil moisture and the infection of young potato tubers by Streptomyces scabies (common scab). (1970)
Lapwood, D. H., Hering, T. F.
The control of common scab of potatoes by irrigation. (1970)
Lapwood, D. H., Welings, L. W., Rosser, W. R.
Algorithm AS 33: Calculation of hypergeometric sample sizes. (1970)
Leech, F. B.
Surveys of sheep dipping in Britian. (1970)
Leech, F. B., Macrae, W. D.
How shelter affects inect pests. (1970)
Lewis, T.
Patterns of distribution of insects near a windbreak of tall trees. (1970)
Lewis, T.
Air movement near windbreaks and a hypothesis of the mechanism of the accumulation of airborne insects. (1970)
Lewis, T., Dibley, G. C.
Analysis of differences in yield between six sugar‐beet varieties. (1970)
Loach, K.
Manuring the beet seed crop grown in England. (1970)
Longden, P. C.
The errors of long-term experiments. (1970)
Lowe, B. I., Patterson, H. D.
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A multivariate analysis computer program. (1970)
Lowe, B. I., Anderson, A. J. B.
M
Age and origin of aeolian sand in the Vale of York. (1970)
Matthews, B.
Residual value of basic slag, Gafsa rock phosphate and superphosphate in a sandy podzol. (1970)
Mattingly, G. E. G.
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Total phosphorus contents of soils by perchloric acid digestion and sodium carbonate fusion. (1970)
Mattingly, G. E. G.
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The residual value of farmyard manure and superphosphate in the Saxmundham Rotation II Experiment, 1899-1968. (1970)
Mattingly, G. E. G., Johnston, Johnny, Chater, M.
Fertilizer nitrogen and growth regulators for field beans (Vicia faba L.) I The effects of seed bed applications of large dressings of fertilizer nitrogen and the residual effects on following winter wheat. (1970)
McEwen, J.
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Fertilizer nitrogen and growth regulators for field beans (Vicia faba L.) II The effects of large dressings of fertilizer nitrogen, single and split applications, and growth regulators. (1970)
McEwen, J.
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Germination of resting spores of Plasmodiophora brassicae. (1970)
Mcfarlane, I.
Lagena radicicola and Rhizophydium graminis, two common and neglected fungi. (1970)
Mcfarlane, I.
Tests of dibutyltin compounds as potato blight fungicides. (1970)
Mcintosh, A. H.
A glasshouse method for testing chemicals for control of potato common scab. (1970)
Mcintosh, A. H.
An electron microscope study of tomato spotted wilt virus in sections of infected cells and in negative stain preparations. (1970)
Milne, R. G.
Yields of, and N uptakes by, some grass species and varieties under different glasshouse conditions. (1970)
Mitchell, J. D. D.
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A diffusive resistance porometer for field use. II. Theory, calibration and performance. (1970)
Monteith, John Lennox, Bull, T. A.
Interrelationships of fungi, weeds, crops and herbicides. (1970)
Moore, F. J., Thurston, J. M.
Honey-coloured, sessile Endogone spores. (1970)
Mosse, B.
Honey-coloured, sessile Endogone spores II Changes in fine structure during spore development. (1970)
Mosse, B.
Honey-coloured, sessile Endogone spores III Wall structure. (1970)
Mosse, B.
The classification of soil profiles by traditional and numerical methods. (1970)
Muir, J. W., Hardie, H. G. M., Inkson, R. H. E., Anderson, A. J. B.
N
Bee poisoning in 1966. (1970)
Needham, P. H., Stevenson, J. H.
Bees in agriculture - Bee poisoning in 1969. (1970)
Needham, P. H., Stevenson, J. H.
The synergetic effect of hydrogen ions on the cation exchange of potassium in micas. (1970)
Newman, A. C. D.
Cation exchange properties of micas: II. Hysteresis and irreversibility during potassium exchange. (1970)
Newman, A. C. D.
Effect of low temperature pre-treatment on infection of clover root hairs by Rhizobium. (1970)
Nutman, P. S., Roughley, R. J., Dart, P. J., Subba-Rao, N. S.
P
Disinfection of honeybee combs by gamma irradiation II European foul brood disease. (1970)
Pankiw, P., Bailey, L., Gochnauer, T. A., Hamilton, H. A.
The effects of silicone coatings on leaves. (1970)
Parkinson, K. J.
A possible source of error in estimation of stomatal resistance. (1970)
Parkinson, K. J., Penman, Howard Latimer
Weather 1969 XV Rothamsted Experimental Station Harpenden. (1970)
Penman, Howard Latimer
Woburn irrigation, 1960-8 IV Design and interpretation. (1970)
Penman, Howard Latimer
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Woburn irrigation, 1960-8 V Results for leys. (1970)
Penman, Howard Latimer
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Woburn irrigation, 1960-8 VI Results for rotation crops. (1970)
Penman, Howard Latimer
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The water cycle. (1970)
Penman, Howard Latimer
Improved procedures for clearing roots and staining parasitic and vesicular-arbuscular mycorrhizal fungi for rapid assessment of infection. (1970)
Phillips, J. M., Hayman, D. S.
Potential protein sources for human food. (1970)
Pirie, Norman Wingate (Bill)
Soil water measurement by a low‐resolution nuclear magnetic resonance technique. (1970)
Prebble, R. E., Currie, J. A.
Root penetration of smeared soil surfaces. (1970)
Prebble, R. E.
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R
The amino acid composition, antigenicity, and other characteristics of the satellite viruses of tobacco necrosis virus. (1970)
Rees, M. W., Short, M. N., Kassanis, B.
Chemistry of communication in the honeybee - a lecture by RK Callow. (1970)
Robert Kenneth Callow
The efficient use of function minimization in non-linear maximum-likelihood estimation. (1970)
Ross, Gavin J. S.
The influence of root temperature, Rhizobium strain and host selection on the structure and nitrogen-fixing efficiency of the root nodules of Trifolium subterraneum. (1970)
Roughley, R. J.
Root temperature and root-hair infection ofTrifolium subterraneum L. cv. Cranmore. (1970)
Roughley, R. J., Dart, P. J.
The Infection of Trifolium subterraneum Root Hairs by Rhizobium trifolii. (1970)
Roughley, R. J., Dart, P. J., Nutman, P. S., Clarke, P. A.
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The influence of root temperature on root-hair infection of Trifolium subterraneum L. by Rhizobium trifolii Dang. (1970)
Roughley, R. J., Dart, P. J., Nutman, P. S., Roderiguez-Barrueco, C.
S
Interaction between the factor delaying penetration of insecticides and the desethylation mechanism of resistance in organophosphorus‐resistant houseflies. (1970)
Sawicki, R. M.
Some properties of a mechanism delaying penetration of insecticides into houseflies. (1970)
Sawicki, R. M., Lord, K. A.
The effect of weather on the concentration of pollen within sugar beet seed crops. (1970)
Scott, R. K.
Pollen release by diploid and tetraplois sugar-beet plants. (1970)
Scott, R. K., Longden, P. C.
Effects of population-density on alienicolae of aphis-fabae scop 1 The effect of crowding on the production of alatae in the laboratory. (1970)
Shaw, M. J. P.
Effects of population-density on alienicolae of aphis-fabae scop 2 The effects of crowding on the expression of migratory urge among alatae in the laboratory. (1970)
Shaw, M. J. P.
Effects of population-density on alienicolae of aphis-fabae scop 3 The effect of isolation on the development of form and behaviour of alatae in a laboratory clone. (1970)
Shaw, M. J. P.
Microbial heterogeneity of soil. (1970)
Skinner, F. A.
The effect of flame cultivation on eyespot disease of winter wheat. (1970)
Slope, D. B., Etheridge, J., Callwood, J. E.
Effects of fertilizer-nitrogen and water supply on distribution of dry matter and nitrogen between the different parts of wheat. (1970)
Spratt, E. D., Gasser, J. K. R.
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The effect of ammonium sulphate treated with a nitrification inhibitor, and calcium nitrate, on growth and N-uptake of spring wheat, ryegrass and kale. (1970)
Spratt, E. D., Gasser, J. K. R.
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A diffusive resistance porometer for field use. I. Construction. (1970)
Stiles, W.
Scientific basis of contraception. (1970)
Swyer, G. I. M., Edwards, R. G., Morris, N. F., Paton, W. D. M., Pirie, Norman Wingate (Bill)
W
Metabolism of 3-chlorobenzoic acid by Azotobacter species. (1970)
Walker, N., Harris, D.
Inorganic soil phosphorus I. Changes in monocalcium phosphate potentials on cropping. (1970)
Webber, M. D., Mattingly, G. E. G.
Inorganic soil phosphorus: II. Changes in monocalcium phosphate and lime potentials on mixing and liming soils. (1970)
Webber, M. D., Mattingly, G. E. G.
The effect of D–D, chloropicrin and previous crops on numbers of migratory root‐parasitic nematodes and on the growth of sugar beet and barley. (1970)
Whitehead, A. G., Fraser, J. E., Greet, D. N.
Needle nematodes (Longidorus spp.) and stubby‐root nematodes (Trichodorus spp.) harmful to sugar beet and other field crops in England. (1970)
Whitehead, A. G., Hooper, D. J.
The effect of small doses of nematicides on migratory root‐parasitic nematodes and on the growth of sugar beet and barley in sandy soils. (1970)
Whitehead, A. G., Tite, D. J., Fraser, J. E.
Anhydrous ammonia-yields and recoveries by spring wheat. (1970)
Widdowson, F. V., Penny, A.
The Effects of Partially Sterilising Agricultural Soils With Formalin, and of Applying Nitrogen Fertilisers, on the Yields and N Contents of Spring and Winter Wheat, of Barley and of Grass. (1970)
Widdowson, F. V., Penny, A.
The effects of three crops and of the N fertilizer given to them on the yield of following barley. (1970)
Widdowson, F. V., Penny, A.
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Entomophthora conidia in the air-spora. (1970)
Wilding, N.
The effect of temperature on the infectivity and incubation periods of the fungi Entomophthora aphidis and E. thaxteriana for the pea aphid Acyrthosiphon Pisum. (1970)
Wilding, N.
Effects of decreasing the light intensity on the growth of Agropyron repens (L.) Beauv. in the field. (1970)
Williams, E. D.
Studies on the growth of seedlings of Agropyron repens (L.) Beauv. and Agrostis gigantea Roth. (1970)
Williams, E. D.
Seed production by couch grass (Agropyron repens). (1970)
Williams, E. D., Attwood, P. J.
Barley segregates resistant and susceptible to the cereal cyst‐nematode (Heterodera avenae Woll.). (1970)
Williams, T. D.
The effects of soil sterilants on the cereal cyst‐nematode (Heterodera avenae Woll.), take‐all (Ophiobolus graminis Sacc.) and yields of spring wheat and barley. (1970)
Williams, T. D., Salt, G. A.
