江苏省东台市唐洋镇承包户陈中山,通过多年实践,摸索出了一套“洋葱——西瓜——棉花”高效益种植模式。该模式洋葱亩产1800—2000公斤,西瓜亩产2500—3000公斤,棉花亩产皮棉50—60公斤,具有较高的经济效益。现介绍如下: 一、种植规格 秋播留好茬口,选择排灌方便、肥力较高的土壤,按4米一个组合划好畈。11月上、中旬在畈中 Tang Zhongshan Town, Dongtai City, Jiangsu Province contractor Chen Zhongshan, through years of practice, worked out a set of “onion - watermelon - cotton” high-benefit planting mode. The mode onion 1800-2000 kilograms per mu, watermelon 2500-3000 kilograms per mu, cotton lint 50-60 kilograms, with higher economic benefits. Are introduced as follows: First, the planting specifications autumn stubble keep stubble, the choice of irrigation and drainage convenient, fertile soil, according to a combination of 4 meters planted 畈. In mid-November, mid-afternoon