Biochar Maize Seeding stage Soil water content Mollisol

  本文关键词：生物黑炭添加对黑土水分梯度处理玉米苗期生长的影响，由笔耕文化传播整理发布。

生物黑炭添加对黑土水分梯度处理玉米苗期生长的影响

Influences of Biochar Application and Soil Moisture on the Growth of Maize at Seedling Stage in the Black Soil of China

[1] [2] [3] [4] [5] [6] [7] [8]

Zhang Shaoliang, Mu Linlin, Huang Jing, Liu Zhihua, Huang Yiquan,Zhao Yuan,Yin Linlin, Liang Jiahui （ College of Resources and Environment, Northeast Agricuhural University, H

东北农业大学资源与环境学院,黑龙江哈尔滨150030

文章摘要：土壤添加生物黑炭（Biochar）能够改变其理化性质,影响土壤水热动态和作物生长过程,关系到作物的产量。玉米是黑龙江省重要的粮食作物和经济作物,研究生物黑炭添加对玉米苗期生长过程的影响,可为改善东北春季冷凉条件下苗期玉米生长提供理论依据和技术支撑。利用人工气候箱,通过盆栽培养的方法,研究了不同生物黑炭添加条件下,水分含量梯度变化对玉米苗期生长过程的影响。结果表明：（1）土壤添加不同生物黑炭量（50g/kg和100g/kg）后,低有机质土壤和高有机质土壤均表现为22%的土壤含水量最有利于玉米幼苗生长,而田间持水量接近24%时有明显的抑制作用;（2）土壤有机质和生物黑炭对玉米苗期生长的影响存在叠加现象,低有机质土壤中施入生物黑炭100g/kg促进玉米苗期生长效果最佳,而高有机质含量土壤中施入生物黑炭50g/kg促进玉米苗期生长效果最佳;（3）生物黑炭添加量相同时,相同土壤含水量条件下,通常高有机质土壤苗期生长相对较快。

Abstr：Biochar application changes the soil physicochemical properties, the dynamics of soil moisture and temperature ,and the crop production. Maize （Zea rnays） as the main crop of Heilongjiang province is broadly planted in black soil region （mollisols）. The influence of biochar and soil moisture on the seedling stage of maize in black soil was carried in a climate chamber with incubation method in this study, and aiming to provide the theory and technology for biochar application in cold field of Northeast China. The results showed： （ 1 ） Corn height was the highest when 22% soil moisture content was in both high and low content soil organic matter （SOM） after 50g/kg and 100g/kg biochar application ; （2） High SOM with higher bioehar application （100g/kg） and low SOM with middle level biochar application （50g/kg） were beneficial to corn seedling growth, also presented the additive effect between SOM and biochar application ; （ 3 ） Generally, high content of SOM was better to promote the seeding growth of maize under the same biochar content and soil moisture content.

文章关键词：

Keyword：:Biochar Maize Seeding stage Soil water content Mollisol

课题项目：国家自然科学基金面上项目（41471228）;东北农业大学“学术骨干”项目（15XG08）;黑龙江省普通高等学校青年学术骨干支持计划（1254G012）

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  本文关键词：生物黑炭添加对黑土水分梯度处理玉米苗期生长的影响，，由笔耕文化传播整理发布。