Environmental friendly nitrogen fertilization

With the huge intensification of agriculture and the increasing awareness to human health and natural resources sustainability, there was a shift towards the development of environmental friendly N application approaches that support sustainable use of land and sustain food production.The effectiveness of such approaches depends on their ability to synchronize plant nitrogen demand with its supply and the ability to apply favored compositions and dosages of N-species.They are also influenced by farming scale and its sophistication, and include the following key concepts: (i) Improved application modes such as split or localized ("depot") application; (ii) use of bio-amendments like nitrification and urease inhibitors and combinations of (i) and (ii); (iii) use of controlled and slow release fertilizers; (iv) Fertigation-fertilization via irrigation systems including fully automated and controlled systems; and (v) precision fertilization in large scale farming systems. The paper describes the approaches and their action mechanisms and examines their agronomic and environmental significance. The relevance of the approaches for different farming scales, levels of agronomic intensification and agro-technical sophistication is examined as well.

作 者： Avi Shaviv   作者單位： Faculty of Civil and Environmental Engineering Technion-IIT, Haifa  刊 名： 中國科學C輯（英文版）  SCI 英文刊名： SCIENCE IN CHINA SERIES C (LIFE SCIENCES)  年，卷(期)： 2005 48(z2)  分類號： P5  關鍵詞： nitrogen pollution   environmentally friendly application  

【Environmental friendly nitrogen fert】相關文章：

How to Write a Friendly Letter05-04

Aviation environmental technology and science04-26

Environmental radioactivity level at a mantle factory in eastern Zhejiang04-27

Environmental Effects on Microstructural Stability of SiC/SiC Composites04-26

關于環保的英語作文素材Environmental protection04-25

Observations on carbon and nitrogen content of suspended matter in aheadwater stream in Hong Kong04-26

英語六級作文：Environmental Protection08-09

Considerations in Applying the General Equilibrium Approach to Environmental Health Assessment04-25

A Study of environmental impact on manufacturing products trade in Shandong,China04-26

China and Austria to Further Promote Cooperation in Environmental Protection Industries04-25