Some physical and physico-chemical effects of soil organic matter

Keen, B. A. 1927. Some physical and physico-chemical effects of soil organic matter. Journal of the American Society of Agronomy. 19 (5), pp. 362-368.

Related outputs

Dr. Löwy's theory of ground-water accumulation

A - Papers appearing in refereed journals

Keen, B. A. 1946. Dr. Löwy's theory of ground-water accumulation. The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science . 37 (270), pp. 502-504. https://doi.org/10.1080/14786444608521534

Dry farming in India [Book Review]

G - Articles in popular magazines and other technical publications

Keen, B. A. 1945. Dry farming in India [Book Review]. Nature. 155 (3940), pp. 529-530. https://doi.org/10.1038/155529a0

Daily and seasonal changes in the surface temperature of fallow soil at Rothamsted

A - Papers appearing in refereed journals

Penman, H. L. and Keen, B. A. 1943. Daily and seasonal changes in the surface temperature of fallow soil at Rothamsted. Quarterly Journal of the Royal Meteorological Society. 69 (298), pp. 1-13. https://doi.org/10.1002/qj.49706929802

Studies in soil cultivation: XI. The effect of inter-tillage on the sugar-beet crop

A - Papers appearing in refereed journals

Russell, E. W., Keen, B. A. and Mann, H. H. 1942. Studies in soil cultivation: XI. The effect of inter-tillage on the sugar-beet crop. The Journal of Agricultural Science. 32 (3), pp. 330-337. https://doi.org/10.1017/S0021859600048115

Soil physics: Theory and practice

A - Papers appearing in refereed journals

Keen, B. A. 1942. Soil physics: Theory and practice. Journal of the Royal Society of Arts. 90 (4618), pp. 545-579.

Hoeing

A - Papers appearing in refereed journals

Keen, B. A. 1942. Hoeing. Journal of the Royal Horticultural Society. 67, pp. 323-328.

The efficiency of pneumatic tyred tractors under farm conditions

A - Papers appearing in refereed journals

Russell, E. W., Hine, H. J. and Keen, B. A. 1942. The efficiency of pneumatic tyred tractors under farm conditions. The Journal of Agricultural Science. 32 (1), pp. 1-42. https://doi.org/10.1017/S0021859600047523

Weather and crops

A - Papers appearing in refereed journals

Keen, B. A. 1940. Weather and crops. Quarterly Journal of the Royal Meteorological Society. 66 (285), pp. 155-166. https://doi.org/10.1002/qj.49706628504

Meteorological and soil factors affecting evaporation from fallow soil

A - Papers appearing in refereed journals

Penman, H. L. and Keen, B. A. 1940. Meteorological and soil factors affecting evaporation from fallow soil. Quarterly Journal of the Royal Meteorological Society. 66 (287), pp. 401-410. https://doi.org/10.1002/qj.49706628706

What happens to the rain?

A - Papers appearing in refereed journals

Keen, B. A. 1939. What happens to the rain? Quarterly Journal of the Royal Meteorological Society. 65 (280), pp. 123-138.

Are cultivations overdone?

A - Papers appearing in refereed journals

Keen, B. A. 1938. Are cultivations overdone? Journal of the Ministry of Agriculture. 45, pp. 645-652.

Rothamsted Conference RC No 21 : The Use of Electricity in Agriculture

E - Books edited/written by staff member, alone/with others

Russell, E. J., Haryey, M. M., Keen, B. A., Cashen, G. H., Rowland, F. E. and Cameron Brown, C. A. 1937. Rothamsted Conference RC No 21 : The Use of Electricity in Agriculture. Rothamsted Research.

The scientific basis of the art of cultivation

A - Papers appearing in refereed journals

Keen, B. A. 1937. The scientific basis of the art of cultivation. Conference Mechanical Farming, Oxford. 2.

Are cultivation standards wastefully high?

A - Papers appearing in refereed journals

Keen, B. A. and Russell, E. W. 1937. Are cultivation standards wastefully high? Journal of the Royal Agricultural Society of England. 98, pp. 53-60.

Some aspects of cultivation and other power operations on the farm

A - Papers appearing in refereed journals

Keen, B. A. and Cashen, G. H. 1936. Some aspects of cultivation and other power operations on the farm. Journal and Transactions of the Society of Engineers. 27, pp. 114-128.

Land drainage: the area of benefit

A - Papers appearing in refereed journals

Keen, B. A. 1936. Land drainage: the area of benefit. Journal of the Ministry of Agriculture. 43, pp. 521-526.

The circulation of water in the soil between the surface and the level of underground water

A - Papers appearing in refereed journals

Keen, B. A. 1936. The circulation of water in the soil between the surface and the level of underground water. Bulletin of the International Association of Scientific Hydrology. 22, pp. 328-331.

The functions of mechanical power in soil cultivation

A - Papers appearing in refereed journals

Keen, B. A. 1934. The functions of mechanical power in soil cultivation. Proceedings of the Institution of Automobile Engineers. 29 (1), pp. 179-194. https://doi.org/10.1243/PIAE_PROC_1934_029_022_02

The contribution of Rothamsted to Soil Physics

G - Articles in popular magazines and other technical publications

Keen, B. A. 1934. The contribution of Rothamsted to Soil Physics. Rothamsted Research Annual Report. 1934, pp. 35-48. https://doi.org/10.23637/ERADOC-1-66

Rothamsted Conference RC No 14 : Mechanization and British Agriculture

E - Books edited/written by staff member, alone/with others

Vicount Lymington, Russell, E. J., Greig, R., Newman, J. E., Watson, J. A. S., Nevile, G. H., Orin, C. S., Brown, A. H., Wolton, E. D., Dudley, R., Keen, B. A. and Miller, H. G. 1933. Rothamsted Conference RC No 14 : Mechanization and British Agriculture. Rothamsted Research.

Experimental methods for the study of soil cultivation

A - Papers appearing in refereed journals

Keen, B. A. 1933. Experimental methods for the study of soil cultivation. Empire Journal of Experimental Agriculture. 1, pp. 97-102.

Studies in Soil cultivation. VI. The physical effect of sheep folding on the soil ((With five text-figures)

A - Papers appearing in refereed journals

Keen, B. A. and Cashen, G. H. 1932. Studies in Soil cultivation. VI. The physical effect of sheep folding on the soil ((With five text-figures). The Journal of Agricultural Science. 22 (1), pp. 126-134. https://doi.org/10.1017/S0021859600053144

Formation of streamers in sedimentation

A - Papers appearing in refereed journals

Keen, B. A. and Schofield, R. K. 1930. Formation of streamers in sedimentation. Nature. 126 (3168), pp. 93-94. https://doi.org/10.1038/126093b0

“Single Value” Soil Properties. A Study of the Significance of Certain Soil Constants. IV. A Further Note on the Technique of the “Box” Experiment

A - Papers appearing in refereed journals

Keen, B. A. 1930. “Single Value” Soil Properties. A Study of the Significance of Certain Soil Constants. IV. A Further Note on the Technique of the “Box” Experiment . The Journal of Agricultural Science. 20 (3), pp. 414-416. https://doi.org/10.1017/S0021859600006936

Studies in soil cultivation. V. Rotary cultivation

A - Papers appearing in refereed journals

Keen, B. A. and Staff of the Soil Physics Department 1930. Studies in soil cultivation. V. Rotary cultivation. The Journal of Agricultural Science. 20 (3), pp. 364-389. https://doi.org/10.1017/S0021859600006894

Can cultivation costs be reduced?

G - Articles in popular magazines and other technical publications

Keen, B. A. 1929. Can cultivation costs be reduced? Essex County Farmers' Union Yearbook. 1929, pp. 1-7.

The use of the tractor on the average farm

A - Papers appearing in refereed journals

Keen, B. A. 1928. The use of the tractor on the average farm. Essex County Farmers' Union Yearbook.

Some comments on the hydrometer method for studying soils

A - Papers appearing in refereed journals

Keen, B. A. 1928. Some comments on the hydrometer method for studying soils. Soil Science. 26 (4), pp. 261-264.

First Commission: Soil mechanics and physics

A - Papers appearing in refereed journals

Keen, B. A. 1928. First Commission: Soil mechanics and physics. Soil Science. 25 (1), pp. 9-22.

Single value soil properties A study of the significance of certain soil constants

A - Papers appearing in refereed journals

Keen, B. A. and Coutts, J. R. H. 1928. Single value soil properties A study of the significance of certain soil constants. The Journal of Agricultural Science. 18 (4), pp. 740-765. https://doi.org/10.1017/S0021859600009321

Revised official British method for mechanical analysis

A - Papers appearing in refereed journals

Sub-Committee of the Agricultural Education Association and Keen, B. A. 1928. Revised official British method for mechanical analysis. The Journal of Agricultural Science. 18, pp. 734-739. https://doi.org/10.1017/S002185960000931X

The limited role of capillarity in supplying water to plant roots

A - Papers appearing in refereed journals

Keen, B. A. 1927. The limited role of capillarity in supplying water to plant roots. International congress of soil science. 1, pp. 504-512.

A new dynamometer for all types of horse and power drawn implements

A - Papers appearing in refereed journals

Haines, W. B. and Keen, B. A. 1927. A new dynamometer for all types of horse and power drawn implements. International congress of soil science. 1.

the value of the dynamometer in cultivation experiments

A - Papers appearing in refereed journals

Keen, B. A. 1927. the value of the dynamometer in cultivation experiments. International congress of soil science. 1.

The place of the tractor in soil cultivation

A - Papers appearing in refereed journals

Keen, B. A. 1927. The place of the tractor in soil cultivation. Proceedings of the Institution of Automobile Engineers. 21 (2), pp. 242-274. https://doi.org/10.1243/PIAE_PROC_1926_021_023_02

The American agricultural research and advisory system

C1 - Edited contributions to conferences/learned societies

Keen, B. A. 1927. The American agricultural research and advisory system. Proceedings of the First International Congress for Soil Science.

The history and development of the use of superphosphate

A - Papers appearing in refereed journals

Keen, B. A. 1926. The history and development of the use of superphosphate. International conference on superphosphate manufacturing.

Soil management

A - Papers appearing in refereed journals

Keen, B. A. 1926. Soil management. Essex County Farmers' Union Yearbook.

Soil physics and its bearing on practice

A - Papers appearing in refereed journals

Keen, B. A. 1926. Soil physics and its bearing on practice. Scottish Journal Of Agriculture.

The evaporation of water from soil III. A critical study of the Technique

A - Papers appearing in refereed journals

Keen, B. A., Crowther, E. M. and Coutts, J. R. H. 1926. The evaporation of water from soil III. A critical study of the Technique. The Journal of Agricultural Science. 16 (1), pp. 105-122. https://doi.org/10.1017/S002185960008833X

The mechanical analysis of soils. A report on the present position and recommendations for a new official method

A - Papers appearing in refereed journals

A Sub-Committee of the Agricultural Education Association and Keen, B. A. 1926. The mechanical analysis of soils. A report on the present position and recommendations for a new official method. The Journal of Agricultural Science. 16 (1), pp. 123-144. https://doi.org/10.1017/S0021859600088341

The physicisit in agriculture with special reference to soil problems

A - Papers appearing in refereed journals

Keen, B. A. 1925. The physicisit in agriculture with special reference to soil problems. Lecture to the Institute of Physics. pp. 27-63.

Recent work at Rothamsted Experiment Station

A - Papers appearing in refereed journals

Keen, B. A. 1925. Recent work at Rothamsted Experiment Station. Essex County Farmers' Union Yearbook.

The use of the dynamometer in soil cultivation studies and implement trials

A - Papers appearing in refereed journals

Keen, B. A. 1925. The use of the dynamometer in soil cultivation studies and implement trials. Journal of the Royal Agricultural Society of England. 86, pp. 30-43.

The dispersion of soil in water under various conditions

A - Papers appearing in refereed journals

Puri, A. N. and Keen, B. A. 1925. The dispersion of soil in water under various conditions. The Journal of Agricultural Science. 15 (2), pp. 147-161. https://doi.org/10.1017/S0021859600005645

Studies in soil cultivation. III. Measurements on the Rothamsted classical plots by means of dynamometer and plough

A - Papers appearing in refereed journals

Haines, W. B. and Keen, B. A. 1925. Studies in soil cultivation. III. Measurements on the Rothamsted classical plots by means of dynamometer and plough. The Journal of Agricultural Science. 15 (3), pp. 395-406. https://doi.org/10.1017/S0021859600006833

Studies in soil cultivation. II. A test of soil uniformity by means of dynamometer and plough

A - Papers appearing in refereed journals

Haines, W. B. and Keen, B. A. 1925. Studies in soil cultivation. II. A test of soil uniformity by means of dynamometer and plough. The Journal of Agricultural Science. 15 (3), pp. 387-394. https://doi.org/10.1017/S0021859600006821

Studies in soil cultivation. I. The evolution of a reliable dynamometer technique for use in soil cultivation experiments

A - Papers appearing in refereed journals

Keen, B. A. and Haines, W. B. 1925. Studies in soil cultivation. I. The evolution of a reliable dynamometer technique for use in soil cultivation experiments. The Journal of Agricultural Science. 15 (3), pp. 375-386. https://doi.org/10.1017/S002185960000681X

The border-line between meteorology and soil physics

G - Articles in popular magazines and other technical publications

Keen, B. A. 1925. The border-line between meteorology and soil physics. The Meteorological Magazine. pp. 1-7.

The relation between the vapour pressure and water content of soils

A - Papers appearing in refereed journals

Puri, A. N., Crowther, E. M. and Keen, B. A. 1925. The relation between the vapour pressure and water content of soils. The Journal of Agricultural Science. 15 (1), pp. 68-88. https://doi.org/10.1017/S002185960000558X

On the moisture relationships in an ideal soil

A - Papers appearing in refereed journals

Keen, B. A. 1924. On the moisture relationships in an ideal soil. The Journal of Agricultural Science. 14 (2), pp. 170-177. https://doi.org/10.1017/S0021859600003373

An automatic and continuous recording balance. (The Oden-Keen balance)

A - Papers appearing in refereed journals

Coutts, J. R. H., Crowther, E. M., Keen, B. A. and Oden, S. 1924. An automatic and continuous recording balance. (The Oden-Keen balance). Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 106 (735), pp. 33-51. https://doi.org/10.1098/rspa.1924.0052

On the effect of wear on small mesh wire sieves

A - Papers appearing in refereed journals

Keen, B. A. and Haines, W. B. 1923. On the effect of wear on small mesh wire sieves. The Journal of Agricultural Science. 13 (4), pp. 467-482. https://doi.org/10.1017/S0021859600003865

Section II.—Papers and discussion on “soil moisture”. The system soil-soil moisture

A - Papers appearing in refereed journals

Keen, B. A. 1922. Section II.—Papers and discussion on “soil moisture”. The system soil-soil moisture. Transactions of the Faraday Society. 17, pp. 228-243. https://doi.org/10.1039/TF9221700228

The relation between the clay content of certain physical properties of a soil

A - Papers appearing in refereed journals

Keen, B. A. and Rackowski, H. 1921. The relation between the clay content of certain physical properties of a soil. The Journal of Agricultural Science. 11 (4), pp. 441-449. https://doi.org/10.1017/S0021859600004469

The factors determining soil temperature

A - Papers appearing in refereed journals

Keen, B. A. and Russell, E. J. 1921. The factors determining soil temperature. The Journal of Agricultural Science. 11 (3), pp. 211-239. https://doi.org/10.1017/S0021859600004068

The evaporation of water from soil. II.: Influence of soil type and manurial treatment

A - Papers appearing in refereed journals

Keen, B. A. 1921. The evaporation of water from soil. II.: Influence of soil type and manurial treatment. The Journal of Agricultural Science. 11 (4), pp. 432-440. https://doi.org/10.1017/S0021859600004457

The relations existing between the soil and its water content: A Résumé of the Subject

A - Papers appearing in refereed journals

Keen, B. A. 1920. The relations existing between the soil and its water content: A Résumé of the Subject. The Journal of Agricultural Science. 10 (1), pp. 44-71. https://doi.org/10.1017/S0021859600005827

A quantitative relation between soil and the soil solution brought out by freezing-point determinations

A - Papers appearing in refereed journals

Keen, B. A. 1919. A quantitative relation between soil and the soil solution brought out by freezing-point determinations. The Journal of Agricultural Science. 9 (4), pp. 400-415. https://doi.org/10.1017/S0021859600005244

A note on the capillary rise of water in soils

A - Papers appearing in refereed journals

Keen, B. A. 1919. A note on the capillary rise of water in soils. The Journal of Agricultural Science. 9 (4), pp. 396-399. https://doi.org/10.1017/S0021859600005232

The evaporation of water from soil

A - Papers appearing in refereed journals

Keen, B. A. 1914. The evaporation of water from soil. The Journal of Agricultural Science. 6 (4), pp. 456-475. https://doi.org/10.1017/S0021859600002288