论文部分内容阅读
滇南蔗区属广南亚热带半干燥气候,年平均温17.8~23.8℃,年降雨量784.7~1329.4毫米,冬季有轻霜,热量充足,雨量多集中在夏秋季节,适宜甘蔗生长,也适宜于各种杂草生长繁殖。同时这些地区又是双季稻产区,劳动力紧张,蔗粮争劳力抢节令的矛盾十分突出。若对杂草防除不及时,将导致蔗田杂草丛生,和甘蔗争夺水份、养份、阳光,影响甘蔗的产量和质量。为了适
Southern Yunnan sugarcane is a subtropical semi-humid climate Guangnan, the annual average temperature of 17.8 ~ 23.8 ℃, the annual rainfall of 784.7 ~ 1329.4 mm, light frost in winter, adequate heat, rain and more concentrated in the summer and autumn, suitable for the growth of sugarcane, is also suitable for Various weeds grow and breed. At the same time these areas are double cropping rice producing areas, labor shortage, grab grain and labor struggle to grab the order of the contradiction is very prominent. If weed control is not timely, will lead to overgrown cane fields, and sugar cane water, nutrients, sunlight, affecting the yield and quality of sugarcane. In order to fit