Effect of Compartment Inclination Angle on Yam Yield and Deformity Rate
In order to explore the effects of the tilt angle of the compartment surface on the yield and deformity rate of yam,four yam species were used as experimental materials to explore the changes of yam yield and deformity rate under different inclination angles.The results showed that when the in-clination angle was increased to about 20°,the yields of twin yam,double stick yam,iron stick yam and purple yam increased by 74.85%,13.59%,10.08%and 42.37%,respectively,and the deformity rates of twin yam,double stick yam and purple yam were reduced by 30%,35%and 100%,respec-tively,and the deformity rate of purple yam was reduced to 0.The appropriate increase of the inclina-tion angle of the compartment surface can effectively improve the yield of yam cultivated in shallow troughs and reduce the deformity rate of potato tubers.
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