Title: Effects of different tillage measures on formation of grain and forage maize yield
Abstract:Field experiments of different tillage(conventional tillage,no tillage,rotary tillage,subsoiling)were studied for all film double furrow sowing and water use of forming technology of grain and forage ...Field experiments of different tillage(conventional tillage,no tillage,rotary tillage,subsoiling)were studied for all film double furrow sowing and water use of forming technology of grain and forage maize yield from 2012 to 2013in Longzhong Semiarid Hilly and gully region of Loess Plateau.The results show that subsoiling tillage and rotary tillage of leaf area index under conventional tillage and no tillage was similar,increased 27.12%~40.24%,photosynthetic potential and dynamic changes of leaf area index were basically the same.The amount of dry matter accumulation were rotary tillage,subsoiling and no tillage,conventional tillage in each growth period,rotary tillage and deep tillage tillage double spike rate,ear diameter,1 000 grain weight were higher than conventional tillage and no tillage.Two years average biological yield,economic yield and straw yield rotary tillage and deep tillage treatment were higher,and higher water use efficiency.Therefore,deep tillage and rotary tillage by increasing the leaf area index increased leaf photosynthetic potential,thus increased the dry matter accumulation in maize,and enhanced double spike rate,source organ photosynthates to grain transfer,promoted the ear growth,ultimately beneficial to grain and forage maize grain yield and biological yield and water use to improve the efficiency of the water.Deep tillage and rotary tillage is suitable for areas of the film double furrow sowing technology un-der ideal grain and forage maize cultivation of soil and water loss in the Loess Plateau.Read More
Publication Year: 2015
Publication Date: 2015-01-01
Language: en
Type: article
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