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教学目标:了解播种机的工作原理、结构、安装与调试;掌握播种机的技术保养与常见故障的排除方法。种植和施肥是农作物栽培的主要环节,良好的种植和施肥质量是保证出苗质量及禾苗茁壮的基础。随着国家农机购置补贴的逐年加大,农民购买农业机械也在逐年增加,但是一些农机操作者在使用农机具方面还不是很得心应手,在播种机的使用中经常出现缺苗断垅、“露籽”现象,这些问题的出现一方面与种子好坏有关,另一方面却是与播种机具
Teaching objectives: to understand the working principle of sowing machine, structure, installation and commissioning; master seeding machine technical maintenance and troubleshooting of common failures. Planting and fertilizing are the main parts of crop cultivation. Good planting and fertilizing quality are the basis for ensuring the quality of seedling and the robustness of seedling. With the state subsidies for agricultural machinery to increase year by year, farmers purchase agricultural machinery is also increasing year by year, but some agricultural machinery operators in the use of agricultural machinery is not very handy, the use of seeders often appear lack of seedlings broken, Exposed seeds "phenomenon, the emergence of these problems on the one hand and the seed is good or bad, on the other hand it is with the sowing equipment