压砂地不同间作模式下土壤水分变化研究

Research on Dynamics of Soil Moisture Under Different Plant Pattern of Gravel-mulched Land

以西瓜Ⅱ辣椒(T1)、西瓜Ⅱ绿豆(T2)、西瓜Ⅱ花豆(T3)、西瓜Ⅱ葱(T4)等4种间作模式为研究对象,并以当地的西瓜单作(T5)模式为对照(CK),研究不同间作模式对压砂地土壤水分变化的影响。结果表明:间作对水平方向(501、00 cm)和垂直深度(0~80 cm)土壤水分分布影响较大,使得土壤耗水量加剧,在生长发育后期作物表现出水分亏缺;处理T4的土壤水分含量和产量均高于对照T5与其它处理,西瓜Ⅱ葱是非常适宜的间作模式。

Four intercropping patterns of watermelon Ⅱ pepper(T1),watermelon Ⅱ mung beans(T2),watermelon Ⅱ pinto beans(T3) and watermelon Ⅱ onions(T4),the local watermelon(T5) monoculture as control(CK) were used as test object.The impact of different intercropping patterns on soil moisture of gravel-mulched land was investigated.The results showed that intercropping had greater effects on the horizontal direction(50 cm,100 cm) and the vertical depth(0~80 cm) soil moisture distribution,actuated soil water consumption increased,in the latter part of crop growth showed that water deficit in crops;the soil moisture contents and yields of T4 were higher than the T5 and other treatments,therefore it was one of the most suitable crops for intercropping patterns.