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bo zhong ji zuo ye zhi liang de yao qiu ji bao zhang cuo shi
Author(s): 
Pages: 112-113
Year: Issue:  3
Journal: Farm Machinery Using & Maintenance

Abstract:  农业机械化的飞速发展为现代化农业作出了巨大贡献,播种机械的使用保证了一年一度的春耕生产,为农业丰收奠定了基础.播种作业的一般农艺要求是:播种及时,播种量适宜;播种深度符合规定,且均匀一致;开沟不得搅乱土层,防止跑墒;种子在播行内分布均匀,种子、肥料和农药应保持规定位置,种子不得受伤害;覆土好,种子上要覆以湿土,覆土深度符合规定;按规定进行必要的镇压;播行笔直,行距一致,不重不漏,地头整齐.现对影...
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