According to the results of experiment, spraying Calcium fertilizer can efficienttiy increase the yield and quality of Fuji apple.

This paper study on the effects of PAM on improving water stable aggregate and reducing nutrients loss from sandy soil, methods of Laboratory incubation and leaching were adopted.

Zinc fertilizer increased contents of N, P, K, Fe, Cu and B of wheat seed, Boron fertilizer application promoted the absorption and accumulation of P, K, Zn and Mn in wheat grain;