Effect of returning shattered cassava stalks into field on cassava yield.

The experiment has been conducted to study the effects of returning shattered cassava stalks into fields using cassava variety Huanan 8 as experimental material.Three different treatments viz.,A: 600 kg·ha-1,B: 900 kg.ha-1,C: 1200 kg·ha-1 and their effect on the yield,dry matter content and other biological factors were studyied in order to make full use of the cassava biomass.The results showed that the treatments had little effect on the dry matter contents,and the treatments had weak correlation with plant height,stalk diameter and leaf weight.The average yield of treatments A,B and C were 43683.0,39947.0 and 41772.0 kg.ha-1,respectively,which were significantly(P0.05) higher than that of CK(34601kg.ha-1).