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The nitrogen, phosphorus and potassium requirements of sugar cane

Autor: R. F. Innes

Publikováno v: Journal of the Science of Food and Agriculture. 11:299-309

The responses of sugar cane to N, P and K fertilisers in varioussugar-producing countries are surveyed. The value of soil analysis, deficiency symptoms and tissue analyses for control of the nutrition of the plant is discussed.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3e24d540e2980f9d0f6c752d8c9aa21
https://doi.org/10.1002/jsfa.2740110603

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An example of fractional replication in an experiment on sugar cane manuring

Autor: R. F. Innes, T. Chinloy, D. J. Finney

Publikováno v: The Journal of Agricultural Science. 43:1-11

Study of the nutritional requirements of sugar cane on a Jamaican estate necessitated simultaneous experimentation with five manurial factors: sulphate of ammonia, superphosphate, muriate of potash, bagasse, and filter press mud. By adopting a one-th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::377a1a0a11da5fae596f537c8f99dde0
https://doi.org/10.1017/s0021859600044567

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A comparison of four methods for the estimation of the exchangeable hydrogen content of soils

Autor: H. F. Birch, R. F. Innes

Publikováno v: The Journal of Agricultural Science. 35:236-238

A comparison of four methods for the determination of the exchangeable hydrogen content of soils was carried out on 157 soils, from twenty-one profiles and representative of four soil types.The methods employed were those of: (1) Hardy & Lewis, (2) M

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c87c9077b88b76a0c4c67c6cfd714b9b
https://doi.org/10.1017/s002185960001354x

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