美国推广“残留物管理法”

• 作 者: 筱军
• 出 处: 新农村
• 发表日期: 1994年04期
• 关键词: 中心原则 垄耕 农田耕作 芽生长 中发 在原 新型除草剂 上壤 成木

在美国,农田耕作正在进行一场变革,这场变革是推广“残留物管理法”。它包括的范围广,其中有无耕技术、垄耕技术和覆盖耕作技术等。中心原则是让旧式的犁退出历史舞台,因为这种犁使土壤外露,受风蚀和水蚀。新的农田耕作“残留物管理法”,是把上一年作物的残留物留在原处,保住土壤和水分,然后扒开土,放入种子。种子在腐烂的残留物中发芽生长,并采用轮

In the United States, there is a revolution in farmland farming that is promoting the Residue Management Act. It includes a wide range, including non-farming techniques, furrow cultivation techniques and cover farming techniques. The central principle is to get the old plow out of the stage of history, as the plow exposes the soil to wind and water erosion. The new farmland farming “Residues Management Law” is to keep the residues of the previous year’s crops in place, keep the soil and water, and then open the soil and put seeds into it. Seeds germinate and grow in decaying residues and use rounds