西瓜套种洋芋栽培技术要点西瓜套种洋芋是我市粮经作物的主要套种形式之一，近年来面积逐年扩大，１９９３年仅六坝乡种植的西瓜套种洋芋面积就达４９０亩，平均亩产洋芋２３４５ｋｇ（折主粮４６９ｋｇ），亩产西瓜３５３０ｋｇ，两项合计亩收入ｌ１６８．９４元，经太效... Watermelon intercropping varieties of potato cultivation techniques Watermelon intercropping potato varieties is the main form of inter-crop farming in recent years, the area has been expanding year by year in 1993 only six barbarians planted watermelon planting potato area reached 490 acres, an average of 2345kg per mu of potato (Off the main grain 469kg), 3530kg per mu yield of watermelon, two total acres of income l168.94 yuan, too effective ...