The effect of clearing a tropical forest soil

A - Papers appearing in refereed journals

Cunningham, R. K. 1963. The effect of clearing a tropical forest soil. Journal of Soil Science. 14 (2), pp. 334-345. https://doi.org/10.1111/j.1365-2389.1963.tb00957.x

Authors	Cunningham, R. K.
Abstract	RESP-4914
Year of Publication	1963
Journal	Journal of Soil Science
Journal citation	14 (2), pp. 334-345
Digital Object Identifier (DOI)	https://doi.org/10.1111/j.1365-2389.1963.tb00957.x
Open access	Published as non-open access
Publisher	Wiley
ISSN	0022-4588

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Cation-anion relationships in crop nutrition: VI. The effect of part, age and species of plant and some soil characteristics

A - Papers appearing in refereed journals

Cunningham, R. K. 1968. Cation-anion relationships in crop nutrition: VI. The effect of part, age and species of plant and some soil characteristics. The Journal of Agricultural Science. 70, pp. 237-244. https://doi.org/10.1017/S0021859600012533

Nitrogen fractions and soluble carbohydrates in Italian ryegrass II.—Effects of light intensity, form and level of nitrogen

A - Papers appearing in refereed journals

Nowakowski, T. Z. and Cunningham, R. K. 1966. Nitrogen fractions and soluble carbohydrates in Italian ryegrass II.—Effects of light intensity, form and level of nitrogen. Journal of the Science of Food and Agriculture. 17 (4), pp. 145-150. https://doi.org/10.1002/jsfa.2740170401

Nitrogen fractions and soluble carbohydrates in italian ryegrass. I—Effects of soil temperature, form and level of nitrogen

A - Papers appearing in refereed journals

Nowakowski, T. Z., Cunningham, R. K. and Nielsen, K. F. 1965. Nitrogen fractions and soluble carbohydrates in italian ryegrass. I—Effects of soil temperature, form and level of nitrogen. Journal of the Science of Food and Agriculture. 16 (3), pp. 124-134. https://doi.org/10.1002/jsfa.2740160302

Cation-anion relationships in crop nutrition IV Maximum contents of cations and anions in Italian rye-grass

A - Papers appearing in refereed journals

Cunningham, R. K. and Karim, A. 1965. Cation-anion relationships in crop nutrition IV Maximum contents of cations and anions in Italian rye-grass. The Journal of Agricultural Science. 64 (2), pp. 229-233. https://doi.org/10.1017/S0021859600064807

Cation-anion relationships in crop nutrition: V. The effects of soil temperature, light intensity and soil-water tension

A - Papers appearing in refereed journals

Cunningham, R. K. and Nielsen, K. F. 1965. Cation-anion relationships in crop nutrition: V. The effects of soil temperature, light intensity and soil-water tension. The Journal of Agricultural Science. 64 (3), pp. 379-386. https://doi.org/10.1017/S0021859600016713

Losses of nitrogen by ammonia volatization from surface-fertilized tropical forest soils

A - Papers appearing in refereed journals

Acquaye, D. K. and Cunningham, R. K. 1965. Losses of nitrogen by ammonia volatization from surface-fertilized tropical forest soils. Tropical Agriculture Trinidad. 42 (4), pp. 281-292.

The effects of soil temperature and form and level of nitrogen on growth and chemical composition of Italian ryegrass

A - Papers appearing in refereed journals

Nielsen, K. F. and Cunningham, R. K. 1964. The effects of soil temperature and form and level of nitrogen on growth and chemical composition of Italian ryegrass. Soil Science Society of America Journal. 28 (2), pp. 213-218. https://doi.org/10.2136/sssaj1964.03615995002800020026x

Cation-anion relationships in crop nutrition: III. Relationships between the ratios of sum of the cations: sum of the anions and nitrogen concentrations in several plant species

A - Papers appearing in refereed journals

Cunningham, R. K. 1964. Cation-anion relationships in crop nutrition: III. Relationships between the ratios of sum of the cations: sum of the anions and nitrogen concentrations in several plant species. The Journal of Agricultural Science. 63 (1), pp. 109-111. https://doi.org/10.1017/S0021859600015148

Cation-anion relationships in crop nutrition: II. Factors affecting the ratios of sum of the cations: sum of the anions in Italian rye-grass

A - Papers appearing in refereed journals

Cunningham, R. K. 1964. Cation-anion relationships in crop nutrition: II. Factors affecting the ratios of sum of the cations: sum of the anions in Italian rye-grass. The Journal of Agricultural Science. 63 (1), pp. 103-108. https://doi.org/10.1017/S0021859600015136

Cation-anion relationships in crop nutrition: I. Factors affecting cations in Italian rye-grass

A - Papers appearing in refereed journals

Cunningham, R. K. 1964. Cation-anion relationships in crop nutrition: I. Factors affecting cations in Italian rye-grass. The Journal of Agricultural Science. 63 (1), pp. 97-101. https://doi.org/10.1017/S0021859600015124

What shade and fertilisers are needed for good cocoa production?

A - Papers appearing in refereed journals

Cunningham, R. K. 1963. What shade and fertilisers are needed for good cocoa production? Cocoa Growers Bulletin Cadbury Bros Ltd. 1 (August), pp. 11-16.

Evidence against relationships between root cation exchange capacity and cation uptake by plants

A - Papers appearing in refereed journals

Cunningham, R. K. and Nielsen, K. F. 1963. Evidence against relationships between root cation exchange capacity and cation uptake by plants. Nature. 200 (4913), pp. 1344-1345. https://doi.org/10.1038/2001344a0

Mineral nitrogen in tropical forest soils

A - Papers appearing in refereed journals

Cunningham, R. K. 1962. Mineral nitrogen in tropical forest soils. The Journal of Agricultural Science. 59 (2), pp. 257-262. https://doi.org/10.1017/S0021859600015288

Determination of total sulphur in plant material

A - Papers appearing in refereed journals

Cunningham, R. K. 1962. Determination of total sulphur in plant material. Chemistry & Industry. 51, pp. 2120-2121.

Cation–Anion Relationships in Italian Ryegrass (Lolium multiflorum)

A - Papers appearing in refereed journals

Cunningham, R. K. 1962. Cation–Anion Relationships in Italian Ryegrass (Lolium multiflorum). Nature. 196 (4860), pp. 1230-1231. https://doi.org/10.1038/1961230a0

The shade and fertiliser requirements of cacao (Theobroma cacao) in Ghana

A - Papers appearing in refereed journals

Cunningham, R. K. and Arnold, P. W. 1962. The shade and fertiliser requirements of cacao (Theobroma cacao) in Ghana. Journal of the Science of Food and Agriculture. 13 (4), pp. 213-221. https://doi.org/10.1002/jsfa.2740130401

A Cocoa Shade and Manurial Experiment at the west African Cocoa Research Institute: III. Physiological Results

A - Papers appearing in refereed journals

Hurd, R. G. and Cunningham, R. K. 1961. A Cocoa Shade and Manurial Experiment at the west African Cocoa Research Institute: III. Physiological Results. Journal of Horticultural Science. 36 (2), pp. 126-137. https://doi.org/10.1080/00221589.1961.11514006

A Cocoa Shade and Manurial Experiment at the west African Cocoa Research Institute, Ghana: II. Second and Third Years

A - Papers appearing in refereed journals

Cunningham, R. K., Smith, R. W. and Hurd, R. G. 1961. A Cocoa Shade and Manurial Experiment at the west African Cocoa Research Institute, Ghana: II. Second and Third Years. Journal of Horticultural Science. 36 (2), pp. 116-125. https://doi.org/10.1080/00221589.1961.11514005

Soil nitrogen. III.—Mineralizable nitrogen determined by an incubation technique

A - Papers appearing in refereed journals

Cooke, G. W. and Cunningham, R. K. 1958. Soil nitrogen. III.—Mineralizable nitrogen determined by an incubation technique. Journal of the Science of Food and Agriculture. 9 (6), pp. 324-330. https://doi.org/10.1002/jsfa.2740090602

Soil nitrogen. II.—Changes in levels of inorganic nitrogen in a clay‐loam soil caused by fertilizer additions, by leaching and uptake by grass

A - Papers appearing in refereed journals

Cunningham, R. K. and Cooke, G. W. 1958. Soil nitrogen. II.—Changes in levels of inorganic nitrogen in a clay‐loam soil caused by fertilizer additions, by leaching and uptake by grass. Journal of the Science of Food and Agriculture. 9 (6), pp. 317-324. https://doi.org/10.1002/jsfa.2740090601

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