【摘要】 根据中国主要农业区——黄淮海地区的自然和社会经济条件,分析了该区小麦、玉米、大豆、棉花等在气候-土壤生态适应性的基础上,采用逐级生产力估算方法,计算出四大作物的商品量,论证了该地区建设为全国性四大作物商品基地的可能性。更多还原

【Abstract】 Based on the natural and social economic conditions of main agricultural region in China-Huang-Huai-Hai region (HHH) and the analysis of the climate-soil ecological adaptation of main four crops (wheat, corn, soybean, cotton),the potential commodity amount of the four crops are calculated using the method of graded estimating the productivity. It has been proved possible to establish national commodity base in stretches in this region.更多还原