论文部分内容阅读
1.合理轮作,深翻改土。种植甜菜的土地一般应实行5年以上的轮作,避免重茬和迎茬。只有这样,才能减少病虫为害,提高甜菜产量和含糖量。种植甜菜最好应选择小麦、玉米、洋芋、胡麻等作物作前茬。甜菜是块根作物,根深叶茂。前茬作物收获后,应及早用拖拉机深翻,待地面整平后,用畜犁耕翻,使活土还原,死土不乱,立冬前灌足冬水。
1. Reasonable rotation, deep changes in soil. Beet cultivation of land should be generally implemented more than 5 years of rotation, to avoid repeated cropping and stubble. The only way to reduce pests and diseases, improve sugar beet production and sugar content. Beet cultivation should be the best choice of wheat, corn, potato, flax and other crops for the former crop. Beets are root crops, root deep leaves. After harvesting the stubble crops, deep tractor should be used as soon as possible, until the ground is leveled, plow tillage with plow, so that living soil reduction, dead soil is not chaos, winter irrigation before foot winter water.