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水肥耦合对压砂地膜下滴灌甜瓜的产量效应研究
引用本文:沈晖,田军仓,宋天华. 水肥耦合对压砂地膜下滴灌甜瓜的产量效应研究[J]. 中国农村水利水电, 2011, 0(10)
作者姓名:沈晖  田军仓  宋天华
作者单位:1. 宁夏大学土木与水利工程学院,银川750021/宁夏节水灌溉与水资源调控工程技术研究中心,银川750021/旱区现代农业水资源高效利用教育部工程研究中心,银川750021
2. 宁夏大学土木与水利工程学院,银川,750021
基金项目:国家科技支撑计划课题(2007BAD54B01); 国家自然科学基金项目(50769007)
摘    要:以甜瓜为供试材料,采用三因素五水平二次回归通用旋转组合设计方法,在宁夏中部干旱带进行了压砂地膜下滴灌水肥耦合效应试验,研究了不同水肥耦合水平对甜瓜产量的影响,并建立了非充分水肥耦合回归模型。结果表明:各因素对产量的影响顺序为灌水量〉施磷量〉施氮量,灌水量与施磷量的交互作用较显著;经模型寻优,得出不同目标产量下的水、氮、磷最佳组合方案,可为压砂地甜瓜节水节肥和高效栽培提供科学依据。

关 键 词:压砂地  甜瓜  膜下滴灌  水肥耦合  产量效应

Coupling Effects of Water and Fertilizer on Drip Irrigation of Melon under Plastic Mulches in Sunada
SHEN Hui,,,TIAN Jun-cang,SONG Tian-hua. Coupling Effects of Water and Fertilizer on Drip Irrigation of Melon under Plastic Mulches in Sunada[J]. China Rural Water and Hydropower, 2011, 0(10)
Authors:SHEN Hui      TIAN Jun-cang  SONG Tian-hua
Affiliation:SHEN Hui1,2,3,TIAN Jun-cang1,SONG Tian-hua1(1.College of Civil and Hydraulic Engineering,Ningxia University,Yinchuan 750021,China,2.Ningxia Research Center of Technology on Water-saving Irrigation and Water Resources Regulation,3.Engineering Research Center for Efficient Utilization of Water Resources in Modern Agriculture in Arid Regions.Yinchuan 750021,China)
Abstract:In this paper,melon is the object of our research in the gravel mulched field.Based on the experiment of the current rotary combination design of square regression of 3 factors with 5 levels,the regression model of effects of irrigation quota and the amount of N and P2O5 with melon yields under the conditions of irrigation under plastic film is established.The main and single-factor effects and interactions of the model are studied.The optimum combination schemes of water with the N and P2O5 chemical fertil...
Keywords:gravel mulched field  melon  drip irrigation under plastic mulch  water and fertilizer coupling  yield effect  
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