澄海县外砂公社南社大队在农业学大寨的群众运动中,不断向农业生产的广度深度进军,土地复种指数达380%.1974年以来,积极发展二稻一油耕作制,在抓好粮食生产的同时.大力发展油料生产,特别是冬种油菜.今年.在极其不利的气候条件下,春收油菜213亩,平均亩产161斤,其中“矮架早选36号”53亩,亩产204斤,“矮架早”160亩,亩产137斤,高产的片段堤头片75亩,亩产达到250斤.本地种植“矮架早”油菜,在正常年份,全生育期约175天,其中营养生长期75-80天,生殖生长期85天以上,是弱冬性品种,生育期需要一定低温,但要求不严格,提早栽培,营 Chenghai County out of sand commune Nanshe brigade in agriculture learn Dazhai mass movement, continue to advance to the breadth of agricultural production, land mulching index reached 380%. Since 1974, the positive development of two rice and one oil farming system, do a good job Grain production at the same time. Vigorously develop oil production, especially in winter rape this year .In extremely adverse climatic conditions, spring harvest rapeseed 213 acres, an average of 161 pounds per mu, including Mu, 204 kg per mu, “short frame early ” 160 acres, 137 kg per mu, high-yield fragments of the first block of 75 acres, mu yield of 250 kg. The local planting Year, the whole growth period of about 175 days, of which vegetative growth period 75-80 days, reproductive growth period of 85 days or more, is a weak winter-type, growth period needs a certain low temperature, but the requirements are not strict, early cultivation, camp