Effect of Different Tillage M ethods on Grow th and Yield of Summer M aize
ZHANG Guo-he
CHANG Jian-zhi
LI Yan-chang
YAN Li-hui
XU Dong-lian
ZHANG Su-fen
AI Zhen-guang
Abstract：The field experiment was conducted to study the effect of different tillage models (convention-al tillage ,deep tillage+straw returning ,deep tillage+straw returning ,and every other year deep tillage+straw returning) on the leaf area index ,grain filling rate and yield of summer maize .The results showed that deep tillage+straw returning could significantly increase the leaf area index ,promote the grain filling rate ,and improve the grain yield by 4 .48% -6 .65% compared to the conventional tillage+straw return-tng .Without straw returning for 2 years ,the gain yield decreased .The highest yield was from the contin-uous deep tillage+straw returning ,w hich gave an average yield increase of 6 .48% in tw o years .
Keywords：summer maizetillage methodsyieldleaf area indexgrain filling rate
Publication Date：2013-11-01
Online Publishing Date：2026-09-12(First online date of this platform, not the publication date of the document)
Pages：3( 14-16 )