摘要
采用田间试验研究施肥对日光温室土壤微生物区系和土壤酶活性的影响,结果表明,施用有机肥和叶面追肥增加了土壤细菌数量;施用化肥和沼肥增加了真菌的数量,施用有机肥降低了真菌的数量;施肥增加了放线菌的数量。施肥提高了土壤脲酶、磷酸酶、蔗糖酶活性,但对过氧化氢酶影响较小。施用有机肥提高了脲酶和磷酸酶活性,化肥和沼肥对脲酶和磷酸酶活性影响无很大差异。
The relationship between soil microbial biomass and soil enzyme activities and fertilization in sunlight greenhouse in Loess Plateau was dealt with. The results showed that using manure and foliage fertilization increased the bacteria but using NP and methane did not. Fungi are not the same, using NP and methane fertilization could raise fungi in soil, but using manure the fungi decreases. Fertilization with manure and NP as well as methane increase actinomyces in soil and the activities of urease, phosphatase , and intertase in soil remarkably.
出处
《水土保持研究》
CSCD
2004年第1期20-22,30,共4页
Research of Soil and Water Conservation
基金
中国科学院知识创新项目(KZCX1-06-02)资助
关键词
土壤微生物
土壤酶活性
施肥
soil microbial biomass
enzyme activity in soil
fertilization
