Title: Effect of Aerated Subsurface Drip Irrigation on the Biomass and Yield of Greenhouse Pepper
Abstract: Oxygen supply for soil can effectively improve the rhizosphere environment in anoxic soil and enhance the vitality of crop root system under the condition of irrigation. The research on the effect of the aerated subsurface drip irrigation on the crop growth in different aeration rates and different soil types is of great significance. With different soil types in Henan province and greenhouse pepper as study material,the effects of subsurface aerated irrigation on crop biomass and yield were conducted through pot experiment. Results showed that aerated subsurface drip irrigation exerted positive effect on pepper growth in clay loam and silty clay loam,especially in the clay loam,but negative effect in sandy loam soil. Under clay loam and silty clay loam,the biomass and yield of peppers at 0. 1 MPa with 7% aeration concentration is superior to others. Therefore,for the adoption of aerated subsurface drip irrigation in clayey soil, 0. 1 MPa of aeration is suggested for the improvement of green pepper growth.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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