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耕后立茬晒垡是渭北旱塬传统耕作法。其主要缺点是,翻动土层、耕作次数多,不适应本区的降水特点,蓄水保墒效果较差。我们根据国内外的经验及耕作发展的趋势,结合本区具体条件,开展了多种耕作法的对比试验。试验方法试验设在渭北旱塬东部合阳县黑池镇农场,无灌溉条件。土壤为黄绵土。蓄水保墒较好。试验设浅耕法、耕后耙耱,传统耕作法、
Tillage stubble drying is a traditional farming method of Weibei arid plateau. The main disadvantage is that turning the soil layer, tillage frequency, does not adapt to the characteristics of precipitation in this area, water storage and soil conservation effect is poor. Based on domestic and foreign experience and the trend of farming and development, we conducted a comparative trial of various farming practices in light of the specific conditions in our region. Test methods Test in Weibei dryland Heyang County, Blackpool Township farm, no irrigation conditions. Soil is loessial soil. Preservation of soil moisture better. Test set shallow tillage, rake tillage after cultivation, the traditional farming method,