论文部分内容阅读
免耕覆盖播种是保护性耕作的关键技术,免耕施肥播种机是保护性耕作的重要机具之一,其作业条件与普通播种机相比发生了重大的变化,不同主要表现在:作业条件差;地表被残茬、秸秆和杂草覆
No-tillage sowing is the key technology of conservation tillage. No-tillage and fertilizing seeder is one of the important tools of conservation tillage. Its operating conditions have changed significantly compared with ordinary sowing machines. The main differences are as follows: poor working conditions The surface is covered with stubble, straw and weeds