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一 麦田套种草木樨对后作麦田(后作第一年)小麦生育和产量的影响 陕北地区地形复杂、土壤肥力悬殊,为了给大
Impacts of intercropping grass and shrubs on the growth and yield of wheat in later wheat field (the first year after) The terrain in northern Shaanxi is complicated and the soil fertility is great. In order to give large