在毛主席“备战、备荒、为人民”的伟大战略方针指引下,近年来山区广大贫下中农为了提高粮食产量,积极扩种连作稻,在海拔350公尺以下低山垟畈田地区取得了可喜的成绩,粮食产量大幅度上升。但是连作稻愈向高山挺进,遇到的问题也愈来愈多。“山高水冷气温低,病虫为害难保收”,成了连作稻进一步向高山挺进的障碍。为了探 Guided by the great strategic principle of “preparing for and preparing for the poor and for the people” of Chairman Mao, in recent years the vast middle peasants and poor peasants in the mountainous areas have made gratifying achievements in increasing the output of paddy rice. The result is that the grain output has risen sharply. But even the more advanced rice is advancing to the mountains, the more problems are encountered. “High mountains and low water temperature, pests and diseases hardest to save”, has become the obstacle to even further advance to the mountains for rice. In order to explore