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耕播方式及秸秆还田对皖麦68群体质量及产量的影响论文
MDA accumulation would be great. So the straw must coordinate reasonable farming methods to postpone decay to the full extent. 4. Effects of different sowing method and straw return field effects on WanMai68 photosynthetic capacity Straw return field and tillage methods on sowing Wanmai 68 had significant effects on photosynthetic capacity, improved straw Wanmai 68 net photosynthetic rate, stomata conductance and transpiration rate, lowered intercellular CO2 concentration among the flag leaf of Wanmai 68. Conditions in the straw return field, effect on improving the photosynthetic capacity of Wanmai68 flag leaf by plowing was more significant than rotary treatment. In the heading and filling stage, different Tillage patterns effects on chlorophyll content of Wanmai68 flag leaf were showed plowing repression rotary repression Rotary. In same tillage condition, SPAD chlorophyll value while straw return field treatment was higher than that without straw return field. And SPAD chlorophyll value treated by machine seeding was also higher than broadcast sowing. 5. Effects of different sowing method and straw return field on WanMai68 lodging resistance The results showed that straw return field can significantly reduce the length between the base of the section I and section II, and basal stem diameter, stem wall thickness and the filling degree of section II increased significantly, thereby increasing resistance to stem lodging capacity. Reasonable tillage patterns also affected plant lodging resistance. Plowing and repression treatment can significantly improve basal plant morphology and lodging resistance of wheat. Broadcast mainly improved wheat lodging resistance by reducing the plant height. 6. Effects of different sowing method and straw return field on WanMai68 yield and yield components Different tillage systems had great influence on yield and yield components. The specific p
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