论文部分内容阅读
地处河西走廊右羊河下游的民勤县干燥度大于4,属极干旱地区之一。水资源不足是农业发展的限制因素。科技人员经多年的试验探索成功了地膜棉花种植,找到了节水农业的路子。地膜棉花全生育期亩灌水100～150立方米。秋天多雨的年份灌50～100立方米。1990年全县13个乡镇试种218亩,亩产皮棉65公斤,初获成功。1991年推广0.71万亩,亩产皮棉75.3公斤;1992年扩大到1.8万亩,亩产皮棉78.3公斤。咸水地区完成1.4万亩,亩产皮棉78.5公斤,亩产值518.19元。例如东湖镇永庆村聂康元植棉1.2亩,亩产皮棉129.5公斤,亩产值854.7元。中渠乡水圣村张明农
Minqin County is located in the lower reaches of the Hexi Corridor, the dryness of more than 4, is one of the extremely arid areas. Water shortage is a limiting factor in agricultural development. After many years of scientific and technological personnel to explore the success of the film mulching cultivation, found a way to save water agriculture. Cotton mulberry acres of irrigated during the entire growth period of 100 to 150 cubic meters. Autumn and rainy years irrigation 50 ~ 100 cubic meters. In 1990, the county’s 13 towns experimented with 218 mu and 65 kg of lint per mu were initially obtained. In 1991, 7100 mu was popularized, with 75.3 kilograms of lint per mu; in 1992, it was expanded to 1.8 million mu, 78.3 kilograms of lint per mu. Saline water completed 14000 acres, 78.5 kilograms of lint per mu, 518.19 yuan per mu. For example, Yongkai Village, Donghu Town, Nirvang yuan planting cotton 1.2 acres, 129.5 kilograms of lint per mu, 854.7 yuan per mu. Drainage Township Water Village Sanming Zhang