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Comprehensive Evaluation of Optimal Water-nitrogen Coupling Mode of Greenhouse Tomato Under Separate Furrow Irrigation
Pages: 28-30+36
Year: Issue:  4
Journal: Water Saving Irrigation

Keyword:  separate furrow irrigationwater-nitrogen couplingcomprehensive evaluation;
Abstract: A study is conducted by setting up two irrigation methods of fixed furrow irrigation and alternative furrow irrigation.Each irrigation method includes two water levels and two nitrogen levels,and a total of eight treatments.The tomato yield,average fruit weigh,water use efficiency and quality of each treatment are tested,and finally the optimal water-nitrogen coupling mode is proposed through the multi-index comprehensive evaluation method.The results show that:T8(AFI)is the optimal water-nitrogen coupling mode with the best yield and water use efficiency(the recommended irrigation water is 1 100m3/hm2,N applied is 150m3/hm2);T6(AFI)is the optimal water-nitrogen coupling mode with the best quality(the recommended irrigation water is 1 300m3/hm2,N applied is 150m3/hm2);and T6(AFI)is the optimal comprehensive water-nitrogen coupling mode with recommended irrigation water of 1 300m3/hm2 and N applied of 150m3/hm2.
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