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1982年开始,我所采用马铃薯、西瓜、水稻一年三熟的种植方式。几年来,经济效益不断提高,面积不断扩大,现一年三熟在中上等肥力的田块中,每亩收马铃薯1350公斤(因套种西瓜,故留瓜垄,实种薯面积0.6亩),西瓜3100公斤,水稻620公斤,亩产值2469元,扣除成本纯收入2169元。经济效益好,又提高了土地自然资源的利用率。做到养地用地相结合培肥了土壤;病虫、杂草明显减少,特别是晚稻纹枯药、白叶枯病、粘虫、稻飞虱危害与常规双季稻田对比要轻得多,同时又省力省肥。现将主要栽培技术介绍如下:
Since 1982, I have adopted potato, watermelon, rice three-year planting methods. Over the past few years, economic benefits continue to increase, expanding the area is now a year in third-class fertility in the plots, the collection of 1350 kg per mu of potatoes (because of intercropping watermelon, so Iguchi, the actual seed potato area of 0.6 acres) , 3100 kilograms of watermelon, 620 kilos of rice, the output value of 2469 yuan per mu, net of costs, net income of 2169 yuan. Good economic returns, but also improve the utilization of land natural resources. Soil and insect pests and weeds were significantly reduced due to the combination of land for cultivation and land use. In particular, the damage caused by late blight, bacterial leaf blight, armyworm, planthopper and planthopper were much lighter compared with the conventional double cropping paddy field, At the same time effort and fertilizer. Now the main cultivation techniques are as follows: