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本文剖析了沿江砂壤土的成土特点、土壤耕作方面存在的主要问题.以7年不同耕法的定位试验和大面积生产实践为依据,提出了以少耕为主体,少、免交替,2-3年一耕的深、浅、免结合的轮耕配套模式.实践证明,这种耕法具有保护土壤、争取农时、省工降本、持续高效等经济效益和生态、社会效益.近3年推广面积达221.7万亩,平均比常规耕法增产5.2％-14.9％,节约农本5％-8.9％,增加纯收入20％-30％。
This paper analyzes the characteristics of loamy soil along the river and the main problems in soil cultivation.According to the experiment of 7 years of different tillage methods and large area production practice, - 3 years of farming a deep, shallow, free combination of round-tillage patterns.Practice has proved that this tillage has the protection of soil, for farming, the provincial labor costs, sustained and efficient economic and ecological and social benefits of nearly 3 Annual promotion area of 221.7 hectares, an average of 5.2% -14.9% increase over conventional tillage, saving 5% -8.9% of farming capital, an increase of 20% -30% of net income.