The simple wheat precision seeder can adjust seeding speed through real-time control by mechatronics, meanwhile, it can improve seeding accuracy.

Effects of seeding density on quantitative characters of oat;

Effects of Sowing Density and Seedling Age on Yield Formation and the Number of Groups in Hybrid Medium Indica Rice " Xin Liangyou 6 ";

Test on sowing density of seedy lotus in swamp soil zone of Honghu lake;

The application amount of nirtrogen, the propotion of the nitrogen in base fertilizer and the sowing density of rice dry planting were studied by rotational design of the quadratic regression with three experimental factors.

Effect of different planting density on the main agronomic traits of film-mulched wheat;

Influence of planting density on the growth of Allium mongolicum;

Effects of different planting density on the growth and fertility of thermo-sensitive male-sterile line in flax

Effects of sowing depth and seed source on seedling emergence of Leymus chinensis;

Effect of seed mass and sowing depth on seedling establishment;

Sowing depth to outs to tobacco seedling and did not influence,but sowing depth to whirling root rate and remain seed rate was bigger influence.