Field assessment of composts produced by highly effective cellulolytic microorganisms

被引：22

作者：

Badr El-Din S.M.S. ^{[1
]}

Attia M. ^{[1
]}

Abo-Sedera S.A. ^{[1
]}

机构：

[1] Agricultural Microbiology Department, National Research Centre, Dokki, Cairo

来源：

Biology and Fertility of Soils | 2000年 / 32卷 / 1期

关键词：

Biological control; Composts; Lycopersicon esculentum; Streptomyces aureofaciens; Trichoderma viride;

D O I：

10.1007/s003740000210

中图分类号：

学科分类号：

摘要：

In a newly cultivated sandy soil, sugar beet haulms composted by highly effective cellulose-decomposing microorganisms (Trichoderma viride NRC6 or Streptomyces aureofaciens NRC22) were evaluated as organic manure for tomato plants (Lycopersicon esculentum L. cv. Supermarmment). The treatments were as follows: (1) control with NPK, (2) farmyard manure (FYM), (3) uninoculated compost, (4) compost inoculated with Glomus sp. NRC212, (5) compost produced by T. viride NRC6, (6) compost produced by S. aureofaciens NRC22. The organic amendments differed in their effects on total microbial counts in the rhizosphere of tomato plants. However, the amendment of soil with compost produced by highly effective cellulose-decomposing microorganisms or compost inoculated with arbuscular mycorrhizal (AM) fungi decreased the proliferation of the total bacteria in the rhizosphere of tomato plants compared with FYM or compost. The application of compost produced by T. viride NRC6 or S. aureofaciens NRC22 enriched the rhizosphere with fungi or Streptomyces more than the other manure treatments. FYM and compost enhanced both spore production and the percentage of mycorrhizal root infection of tomato plants as compared with the NPK treatment, while compost produced by T. viride NRC6 or S. aureofaciens NRC22 reduced both the mycorrhizal spore numbers and the percentage of mycorrhizal root infection as compared with the NPK treatment. However, the application of FYM or compost reduced the incidence of root rot by 8% and 32%, respectively, as compared with the NPK treatment. The use of T. viride NRC6 or S. aureofaciens NRC22 as cellulolytic microorganisms and AM fungi as inocula in the applied compost increased plant protection by 80%, 75%, and 73%, as compared with the NPK treatment, respectively. No significant differences in plant dry weight, N, P content and tomato yield were obtained between FYM and the mineral fertilizer treatment. However, different types of compost induced a significant increase in plant dry matter, N and P uptake and fruit yield relative to the FYM and mineral fertilizer treatments.

引用

页码：35 / 40

页数：5

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