Dang Zengchun, Li Dingxin, Liu Yaohong, et al. Study on Fertitizer Model of Nitrogen and Phosphrous for Spring Wheat in Arid Hilly Area of South NingXia[J]. Bulletin of Soiland Water Conservation, 1994, 13(6): 23-30.
Dang Zengchun, Li Dingxin, Liu Yaohong, et al. Study on Fertitizer Model of Nitrogen and Phosphrous for Spring Wheat in Arid Hilly Area of South NingXia[J]. Bulletin of Soiland Water Conservation, 1994, 13(6): 23-30.DOI:
Based on the field test of saturated D-optimal designs with a匆uare
This paper deals with the response equa-tion of N and P fertilizer
on Spring Whest in three different yild ecosystem in Shanghuang experimental station.The mathmatic model of fertilization with different adaptability has been established
The main effect and mutualeffects of N and P fertilizer have been analized and the optimum of fertilizer required has been caculated according tothe model. fertilizer amount applied and the optimum ratio of N and P of crops grown in low terrace have been cacu-lated as an example.