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当前位置: 首页 > 文章 > 番茄滴灌水氮耦合效应与模式研究 中国农学通报 2022,38 (3) 30-36
Position: Home > Articles > Water and Nitrogen Coupling Effects and Model Under Tomato Drip Irrigation Chinese Agricultural Science Bulletin 2022,38 (3) 30-36

番茄滴灌水氮耦合效应与模式研究

作  者：
罗慧;李伏生
单  位：
广西大学农学院;广西大学农牧产业发展研究院
关键词：
水氮耦合;交替滴灌;产量;品质;水氮利用;番茄
摘  要：
为探明番茄高产优质高效生产的灌溉施肥制度和最优水氮耦合模式,开展了不同滴灌水氮耦合方式对番茄产量、品质和水氮利用的影响的田间试验。结果表明:与F_0W_0(土施100%N肥基肥,降雨+补充滴灌灌水)相比,F_2W_2(交替滴灌方式施用100%N肥和80%常规灌水量)、F_3W_2(土施40%N肥基肥-交替滴灌方式追施60%N肥和80%常规灌水量)、F_4W_2(固定滴灌方式施用100%N肥和80%常规灌水量)和F_5W_2(土施40%N肥基肥-固定滴灌方式追施60%N肥和80%常规灌水量)分别提高产量、水分利用效率和氮肥偏生产力;F_2W_2处理Vc、水溶性糖含量和糖酸比分别提高42.5%、25.5%和131.9%;由主成分分析评价可知F_2W_2为番茄综合品质最优处理;用TOPSIS法评价番茄产量、品质和水氮利用可得F_2W_2为综合效益最优处理。因此,交替滴灌方式施用100%N肥和80%常规灌水量处理是最优水氮耦合模式。
译  名：
Water and Nitrogen Coupling Effects and Model Under Tomato Drip Irrigation
作  者：
LUO Hui;LI Fusheng;College of Agriculture, Guangxi University;Industrial Development Institute of Agri-animal, Guangxi University;
关键词：
water and nitrogen coupling;;alternate drip irrigation;;yield;;quality;;water and nitrogen use;;tomato
摘  要：
To explore the irrigation and fertilization system and the optimal coupling mode of water and nitrogen (N) for high-yield,high-quality and high-efficiency of tomato production under drip irrigation,a field experiment was conducted to investigate the effects of different water and N coupling modes on tomato yield,quality,and water and N use under drip irrigation.The results showed that compared with F_0W_0(100%N fertilizer applied to soil as basal fertilizer and rainfall+supplementary drip irrigation),F_2W_2(100%N fertilizer via alternate drip irrigation and 80%conventional irrigation amount),F_3W_2(40%N fertilizer applied to soil as basal fertilizer,60%N fertilizer via alternate drip irrigation as topdressing and 80%conventional irrigation amount),F_4W_2(100%N fertilizer via fixed drip irrigation and 80%conventional irrigation amount) and F_5W_2(40%N fertilizer applied to soil as basal fertilizer,60%N fertilizer via fixed drip irrigation as topdressing and80%conventional irrigation amount) increased tomato yield,water use efficiency and partial productivity of N fertilizer.F_2W_2enhanced vitamin C,soluble sugar and sugar/acid ratio of tomato by 42.5%,25.5%and 131.9%respectively.F_2W_2had the optimal comprehensive quality of tomato evaluated by principal component analysis and the optimal comprehensive benefit of tomato yield,quality,and water and N use evaluated by TOPSIS Therefore,100%N fertilizer via alternate drip irrigation and 80%conventional irrigation amount (F_2W_2) is the optimal coupling mode of water and N for tomato under drip irrigation.

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