Comprehensive Evaluation of the Mechanized Transplanting Mode of Kale Based on Principal Component Analysis

Taking kale as test material, principal component analysis was used, the influence of 24 kinds of different transplanting mode on kale yield traits, economic benefits, in order to provide reference for efficient application of kale mechanized transplanting.The results showed that the top three treatments for comprehensive benefits were treated with mechanical transplanting, the best transplanting mode of kale was treatment H9(transplanting using three-line transplanting, the spacing of plant was 25 cm×30 cm, planting density was 100 050 plants·hm^-2),about 33.33 h·hm^-2,control manual transplanted savech a time cost of about 76.53%,it cost about 29 995.97 RMB·hm^-2,the cost saving of control artificial transplanting was about 30.11%,about 123 283.83 kg·hm^-2 of production per hectare, control and manual transplanting increased the yield by 19.30%,and the kale under this treatment grew well, leaf balls were neat and uniform, good commercial.