|Table of Contents|

Effects of Biochar on Soil Nutrient Contents and Microorganism of Soybean Rhizosphere(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2014年03期
Page:
393-397
Research Field:
Publishing date:

Info

Title:
Effects of Biochar on Soil Nutrient Contents and Microorganism of Soybean Rhizosphere
Author(s):
GU Si-yu1; LI Xin-jie1; 2; WEI Dan2; LI Yu-mei2; JIN Liang2; ZHAO Fu-yang2; GUO Wen-yi3; XU Meng3; ZHAO Sai-dong1; 2
1.College of Resources and Environmental Sciences,Northeast Agricultural University,Harbin 150030,China;2.Institute of Soil Fertilizer and Environment Resource,Heilongjiang Academy of Agricultural Sciences/The Key Laboratory of Soil Environment and Plant Nutrition of Heilongjiang Province,Harbin 150086,China;3.Shenyang Military Region Air Force Logistics Department,Kedong Agricultural and Sideline Production Base,Keshan 161600，China
Keywords:
Biochar; Soybean; Microorganism; Rhizosphere
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2014.03.0393
Abstract:
The effects of different amount of biochar on soil nutrient contents and microorganism of soybean rhizosphere were studied on the basis of pot experiment.The results showed that comparied with the treatment no application of biochar in soybean rhizosphere soil,when the application of biochar range at 300～1 500 kg?ha-1,in each period soil pH was increased by an average of 0.06 units,the soil organic carbon could be increased at an average of 24.08%,available N,P and K were increased by 10.37%,34.56% and 9.16%,separately;the activity of soil invertase,catalase and urease was increased by 19.05%,21.18% and 25.90%,and the quantity of bacteria,fungi and actinomyces were improved by 1.95,1.65 and 1.69 times in soybean rhizosphere soil.

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Last Update: 2014-08-01