Handbook of Plant Nutrition - chapter 2

Chia sẻ: Tra Sua Nguyen | Ngày: | Loại File: PDF | Số trang:32

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Handbook of Plant Nutrition - chapter 2

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Section II Essential Elements––Macronutrients 2 Nitrogen Discovery of the essentiality of nitrogen is often credited to de Saussure (1–3), who in 1804 recognized that nitrogen was a vital constituent of plants, and that nitrogen was obtained mainly from the soil.

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