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发展油葵生产振兴山区经济王永宏，吕国锋，陈智君固原盐渍上面积较多，加之春夏旱频繁、胡麻根系少，苗期不耐低温，使胡麻春季保苗十分困难，往往造成缺苗断垄现象。同时，由于库水有限，胡麻因得不到及时灌溉，营养生长有限，造成植株纤细，结果稀少。七月中旬以后的降...
Development of oil sunflower production revitalization of mountain economy Wang Yonghong, Lv Guofeng, Chen Zhijun Guyuan salt on the area more, coupled with frequent spring and summer drought, less flax roots, seedling cold temperature, so flax seedlings in spring is very difficult to maintain, often resulting in missing seedlings off ridge phenomenon . At the same time, due to the limited reservoir water, flax can not get timely irrigation, limited vegetative growth, resulting in slender plants with few results. After mid-July drop ...