Increasing Yield Effect and Machanism of the Two Phase Mulch for Dry land Maize in Taiyuan Area

doi:10.3321/j.issn:1000-7091.1996.03.016

Abstract

Abstract: Rate of increasing yield of two phase mulch for dry land maize was 14.48% in Taiyuan area.The technique of two phase mulch for dry land maize have effects of the soil environment,both appropriate increasing temperature,promoting growth in seedling stage and preserving soil moisture,promoting growth in the middle stage.The machanism of increasing yield was coordinating growth between aerial and subterraneous pare of maize.The two phase mulch maize have larger leaf area,more reserves of reducting sugar in stem and more accumulation of dried substance.It showed continuous and high strength filling character,which made the speed of substance transfer picked up.

Key words: Maize, Two phase mulch, Mechanism of yield increase

CLC Number:

S513.04

Jia Weilong, Weng Huiyu, Gao Lanhua, Guo Xiurong, Liu Shouqu, Wang Sufen. Increasing Yield Effect and Machanism of the Two Phase Mulch for Dry land Maize in Taiyuan Area[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1996, 11(3): 82-86. doi: 10.3321/j.issn:1000-7091.1996.03.016.

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