The Role of Nitrogen in Grassland Productivity PDF Download

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The Role of Nitrogen in Grassland Productivity

The Role of Nitrogen in Grassland Productivity PDF Author: David Charles Whitehead
Publisher: CABI Publishing
ISBN:
Category : Science
Languages : en
Pages : 224

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Book Description
Nitrogen transformations in grassland ecosystems. The nitrogen cycle and sources of nitrogen. Uptake and assimilation of nitrogen by grass. Symbiotic tixation by legumes. Transfer of symbiotically fixaed nitrogen to grass. Consumption of nitrogen by ruminants and its removal in livestock products. Return of nitrogen in animal excreta. Non-symbiotic nitrogen in soil organic matter. Release of mineral nitrogen from plant and animal residues and soil organic matter. Nitrification, and immobilization in non-exchangeable form, of ammonium nitrogen. Loss of nitrogen by leaching. Gaseous losses of nitrogen. The yield response of grass swards to fertilizer nitrogen.Effects of fertilizer nitrogen on composition and quality of herbage.