论文部分内容阅读
间作套种是我国农业生产的传统经验,是充分利用资源的有效形式,是增加复种的有效措施之一。而间作是充分用地的好形式。玉米大豆间作是我国南、北方旱地的主要间作方式,面积大、地区广、效果好,是农民习用的方式。平塘县每年大豆播种面积在一万亩以上,总产量约百余万斤,其中大部分为玉米大豆间作。在过去几年乃至十几年间,由于杂交玉米的种植推广发展,有的片面强调密植,每亩4000穴条件下,间作大
Intercropping is the traditional experience of agricultural production in our country, an effective form of making full use of resources and one of the effective measures to increase multiple cropping. Intercrops are a good form of adequate land use. Intercropping of corn and soybean is the main intercropping method of dry land in south and north of our country. It has the advantages of large area, wide area and good effect. It is a habit of peasants. Pingtang annual soybean acreage in more than 10,000 acres, the total output of about 1000000 kilograms, most of which are intercropped corn and soybeans. In the past few years and even ten years, due to the promotion of hybrid corn planting and development, and some one-sided emphasis on close planting, 4000 acres per acre conditions, intercropping large