2006•Journal of Agricultural Mechanization ResearchRequires access

Study of Dynamics Variation of Soil Fertilizer in Conservation Tillage—The Effect of Covering Straw on Soil Moisture(II)

Gong Zhen-ping

Abstract

This work had researched the dynamics of soil moisture in maize field under three cultivation treatments:routine cultivation,half covering straw + minimum tillage,and whole covering straw + minimum tillage.The result showed:the treatment of covering straw could increase soil moisture,mainly in the previous development(before July),and obviously in soil layer of 20cm.The effect of increasing soil moisture treatment under the cover measures 4000kg/Hm2 obviously wants to be good in 8000kg/Hm2.

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Key concepts: Straw, Tillage, Agronomy, Environmental science, Water content, Moisture, Fertilizer, Biology