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Study on Optimized Cultivation Model of High Productivity of Spring-Planting Sugarcane in Jinggu

Wu Zhengkun; Zhang Yuebin; Liu Shaocbun; Tang Yongfaug(Institute of Sugarcane, Yunnan Academy of Agricultural Science,Yunnan 661600)Li Qiping, Fu Tianshun, Hu Congxing (Jinggu Canesugar General Company, Yunnan 666400)  
Based on drought resistant cultivation techniques, this experiment adoptquadratic all-purpose rotating design on sowing-density row-space space,fertilization quantity, and decided the relationship by the process of establishingproduct function model. The results showed that each factor has an apparent effect onthe product, the degree of effect is Nsowing-density K P rowing space: theintereffect of seeding quantity and lines space, seeding quantity and N, N and P, P andK were measured, which is significaht or most significant. Using product regressiontnathematical model, according to the nature factors and the plantation 1evel of thisarea, the limited level is made for analysis, then, by means of simulation calculation,the optimized ways of high productivity are advised for dryland and slope dryland.
【Fund】: 云南省农科院重点课题!C3-9704
【CateGory Index】: S566.1
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