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陇东旱塬农田作物组合模式研究樊廷录，宋尚有，王勇（甘肃省农科院旱农所兰州７３００７０）陇东旱源主要包括庆阳、平凉两地区的１０个县（市），年降雨量５００～６００ｍｍ，局半湿润偏旱一熟生态区，农田种植制度的核心作物是冬小麦。近年该区旱农生产的实践证明，组...
Study on Crop Combination Patterns in Farmland of Longdong Arid Plateau Fan Tinglu, Song Shangyou, Wang Yong (Dryland Farming Institute, Gansu Academy of Agricultural Sciences, Lanzhou 730070) Longdong dryland mainly consists of 10 counties (cities) in Qingyang and Pingliang areas, Rainfall 500 ~ 600mm, Bureau of semi-humid and drought-cooked ecological zone, the core cropland planting system is winter wheat. In recent years, the practice of dry farming in the area proved that the group ...