摘要
为探究白浆土及其改良,采用四段犁对白浆土进行改土深松,研究改良后的白浆层土壤微生物数量及其作物产量的变化。结果表明:与对照相比,四段犁深松不仅可增加白浆土白浆层土壤微生物数目,增加细菌数目311.03%,真菌数目289.31%,放线菌数目356.39%,增加微生物总数320.55%,而且可增加大豆株高、单株荚数、单株粒数,并提高大豆产量6.71%。
For the purpose of exploring planosol and its improvement,Four-stage Plough was used to subsoil planosol to study change of soil microorganisms and soybean yield.The results showed that compared with the control,with Four-stage Plough could increase the number of bacteria by 311.03%,the number of fungi by 289.31%,the number of actinomycetes by 356.39%.The microbial amount was increased by 320.55%.Moreover,it could increase plant height,pot number per plant,grains number per plant and soybean yield by 6.71%.
出处
《黑龙江农业科学》
2012年第5期44-46,共3页
Heilongjiang Agricultural Sciences
基金
"十一五"国家科技支撑计划资助项目(2009BAD3B07)
关键词
白浆土
土壤微生物
大豆产量
planosol
soil microorganism
soybean yield
