The Roots of the Crop Usually Absorb and Utilize Studying to Nitrogen under the Maize/ Soybean Intercropping Condition

doi:10.7668/hbnxb.2008.01.038

Abstract

Abstract: Through field cultivation experimentson corn/soybean intercropping and the corresponding single cropsfordifferent periods of shoot dry weight,crop N uptake,the rhizosphere of urease activity of the soil,crop rhizosphere soilbacteria dynamic difference. The results showed:intercropping maize nitrogen uptake,rhizosphere urease activity,rhizo2sphere bacteria,shoot dry weight,respectively than corn significantly increase 37161 %,33154 %,55176 %,27192 %. In2tercropping soybean rhizosphere urease activity, rhizosphere bacteria volume than soybean significant increase 4113 % and43108 %. Intercropping soybean nitrogen uptake,shoot dry weight of soybean than lower 11193 %,11119 %,the differ2ence was not significant. Note intercropping maize for growth.

Key words: Maize, Soybeans, Intercropping, Urease activity, Rhizosphere soil

CLC Number:

S143.1

LIU Jun-xia, LU Yin-gang, YUAN Hong-wei, ZHANG Zhen-zhong, CUI Bao-wei. The Roots of the Crop Usually Absorb and Utilize Studying to Nitrogen under the Maize/ Soybean Intercropping Condition[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2008, 23(1): 173-175. doi: 10.7668/hbnxb.2008.01.038.

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