Cao Ngoc Diep *

* Corresponding author (cndiep@ctu.edu.vn)

Abstract

Sinorhizobium fredii [isolate VN064] and Pseudomonas spp [isolate P14] were used to biofertilizer production for soybean cultivation in Dong Thap province with suitable carrier [50% peat and 50% sugar-byproduct (bagasse) plus 1% CMC] in granule formula. This carrier helped bacteria prolonge high survival during 6 months (bacteria population over log10=8,4 - 8,7/g carrier](TCVN-6166-1996 and 6167-1996 in 2001 Department of Agriculture and Rural Development).
Keywords: phosphate solubilizing bacteria, carriers, soybean, survival

Tóm tắt

Chủng vi khuẩn nốt rễ Sinorhizobium fredii [VN064] và vi khuẩn hòa tan lân, tổng hợp IAA Pseudomonas spp. [P14] được đưa vào sản xuất phân sinh học đa chủng bón cho đậu nành trồng trong tỉnh Đồng Tháp trong chất mang gồm 50% than bùn và 50% mùn mía + 1% CMC được ép thành viên có độ sống sót cao (mật số >log10=8,4 - 8,7/g chất mang) sau 6 tháng tồn trữ đạt tiêu chuẩn TCVN-6166-1996 và 6166-1996 ban hành năm 2001 của Bộ Nông nghiệp và Phát triển Nông Thôn Việt nam.
Từ khóa: Vi khuẩn nốt rễ, vi khuẩn hòa tan lân, chất mang, đậu nành, sự sống sót

Article Details

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