日光温室膜下滴灌水肥耦合对土壤水分利用率的影响
Effects of Water and Fertilizer Coupling on Soil Water Utilization under Drip Fertilization in Solar-Greenhouse

作者: 宋鹏辉 , 刘鸣韬 :河南科技学院,河南新乡;

关键词: 日光温室膜下滴灌水肥耦合水分利用率Solar Greenhouse Drip Irrigation Tomato Water and Fertilizer Coupling Soil Water Utilization

摘要: 采用二因素二次通用旋转组合设计,研究了日光温室中膜下滴灌水肥耦合技术对土壤水分利用率的影响。结果表明:灌水定额、施肥定额二因素与土壤水分利用率之间存在极显著的回归关系;二因素的影响程度为灌水定额 > 施肥定额,由此提出了最优水肥组合方案,灌水定额为17.61~17.64 kg/667m2,施肥定额为174.86~180.73 m3/667m2。本研究为日光温室膜下滴灌栽培生产提供了借鉴。

Abstract: Experiments were carried out to study the effects of water and fertilizer coupling on soil water utilization by using quadratic general revolving combination design with two factors. The results showed that regression correlations between irrigating water quota, fertilizer application quota and soil water utilization were extremely significant; the regression correlations were reliable; and effects of irrigating water quota on soil water utilization were more than those of fertilizer application quota. A holistic optimum plan of water and fertilizer coupling for obtaining high yield and good quality of tomato fruit was put forward: irrigating water quota: 17.61 - 17.64 m3/hm2, fertilizer application quota: 174.86 - 180.73 kg/hm2. The gained results can be used in the production in solar greenhouses.

文章引用: 宋鹏辉 , 刘鸣韬 (2014) 日光温室膜下滴灌水肥耦合对土壤水分利用率的影响 。 农业科学, 4, 44-49. doi: 10.12677/HJAS.2014.42008

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