中文摘要：

手持式玉米精播机播种监测装置采用红外光电传感器采集信号，排种器一旦出现漏播现象时，即可发出报警信号，提示补种，避免了普通机械播种机的漏播现象发生，提高了播种机的工作效率和播种质量．该装置具有监测精度高，电路简单，成本低廉，安装方便等优点．

英文摘要：

Handheld precision maize seeder uses infrared photosensors to collect the signals of seeding unit. If loss seeding phenonmenon is detacted the system will give alarm to remind of reseeding for avoiding loss seeding of the common mechanical seeder. So the system with high accuracy, circuit simplicity, low cost and convenient installation improves the seeder＇s efficiency and quality.