Journal of Food, Agriculture and Environment
Vol 12,
Issue 2,2014
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Sustainability of wheat-corn rotation system under various long-term fertilizations in the Huang-Huai-Hai plain of China
Author(s):
Sheng-wei Nie 1*,
A. Egrinya Eneji 2, Shao-min Huang 1, Shui-qing Zhang 1, Qiao-ping Zhang 1, De-jun Bao 1, Dou-dou Guo 1Recieved Date: 2014-02-10, Accepted Date: 2014-04-19
Abstract:Wheat (Triticum aestivum L.)-corn (Zea mays L.) rotation system is important for food security in the Huang-Huai-Hai plain of China. Rotation system productivity, sustainable yield index (SYI) and the contribution of each individual nutrient during an 18-year fertilization experiment in Zhengzhou, Henan, China, were recorded. The results showed that applications of NPK fertilizer or combined manure (NPK, NPKS, NPKM and NPK1.5M) lead to obtain higher grain yields and maintain better sustainability for wheat, corn and rotation system, respectively. Nevertheless, sustainable yield index (SYI) value and order of rotation system is NPKS(0.68) > NPK1.5M(0.64) > NP(0.60) > NPK(0.59) = PK(0.59) > NPKM(0.58) > CK(0.54) > NK(0.40) > N(0.32), respectively.
Keywords:Sustainable yield index,
wheat-corn rotation system, long-term fertilizationJournal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 2
Category: Agriculture
Pages: 498-502
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