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Showing items 1 through 2 of 2.LandLibrary Resource
30 июля 1964
Africa
Dans ce document nous avons traité des engrais et de la fertilité des sols en partant de la description des sols pour passer ensuite aux travaux expérimentaux et à la vente d’engrais aux agriculteurs.
LandLibrary Resource
30 июля 1964
Africa
In this paper an attempt has been made to cover the question of soil fertility and fertilizers from description of the soils to experimental work and fertilizer sales to the farmers. The wideness of the subject makes it necessary to summarize rigidly, giving the main features of each section.
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