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沙旱薄地主要指黄河故道、内陆河流冲积形成的白沙土、黄沙土、飞沙土,以及黄淮泛滥冲积的石灰性沙土地等,以沙碱薄地居多,是我国主要花生产地之一。一、花生低产原因分析平原沙旱薄地,特别是平原沙土母质为河流泛滥的冲积物和风积物,沙层比较厚,一般1~10米,中下层常出现胶泥层,形成深浅不等的沙黏相间的土层。海滩风积沙土的底层常有壤质或黏
Droughts mainly refers to the main course of the Yellow River, the old course of the inland river alluvial white sand, yellow sand, fly sand, and the Huanghuai alluvial alluvial sandy soil, etc., to sodic thin majority, is one of China’s major flower production. First, analysis of peanut low yield Plain sand and dry land, especially the plain sand and soil parent material for the river flooding alluvial and aeolian material, the sand is relatively thick, usually 1 to 10 meters, the middle and lower often appear clay layer, the formation of shades of sand Viscous soil layer. Beach aeolian sand bottom of the soil often loam or sticky