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Influence of fertilizers on the yield and composition of the grain in wheat cultivations in calcareous soils

Authors: Chaves Sánchez, Manuel; González García, Francisco;

Influence of fertilizers on the yield and composition of the grain in wheat cultivations in calcareous soils

Abstract

[FR]: Dans le but de connaître la réponse des sols calcaires à Séville (Espagne)à diverses fertilisations, on a effectué des expériences pendant les années agricoles 1953-54 et 1954-55, sur des cultures de blé. Les meilleurs rendements sont obtenus avec les fertilisations P-N et N-P-K. Le phosphore est le plus efficient. Les doses moyennes de phosphore sont les plus avantageuses (500-650 kg/ha de superphosphate 16 %). L'analyse du blé obtenu démontre l'influence de la ferlilisation sur la composition du grain. On constate une augmentation de cendres avec l'emploi de P el K. L'azote produit un effect contraire. L'interaction P x K est très marquée dans l'augmentalion de la teneur de ces deux éléments dans le grain. Les doses progressives de P2,O5 dans la fertilisation montrent une diminution régulière d'azote et des augmentations de P et K, les plus fortes pour doses moyennes.

[EN]: In cluded in the series of experiments which the "Centro de Edafología y Biología del Cuarto" (Sevilla), is carriying out to establish the response of the regional soils to the different mineral fertilizers are those realized in the agriculture year 1954-55 with wheat cultivation, which are hereby presented. In them we have tried to establish the influence of fertilizers on the yield, and composition of the grain obtained.

8 páginas, 10 figures, 4 tablas.-- Trabajo presentado en la Commission IV: Fertilité, al citado Congreso, celebrado del 22 de septiembre al 3 de octubre, 1956, en París, Francia.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green