Efficient use of fertilizers in agriculture

An important way farmers can conserve energy is making efficient use of fertilizers and other nutrient sources. This book will introduce farmers to the concepts of fertilizer energy and efficient nutrient use. It discusses how to optimize fertilizer use by soil testing, fertilizer placement, and app...

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Соавтор: United Nations Economic Commission for Europe
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Язык:Undetermined
Опубликовано: New York The United Nations 1983
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Thư viện lưu trữ: Trung tâm Học liệu Trường Đại học Cần Thơ