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Phân hữu cơ phân ủ

Tên sách: Phân hữu cơ- Phân vi sinh & phân ủ

Tác giả: Nguyễn Thanh Hiền
Viện nghiên cứu & phổ biến kiến thức Bách Khoa

Nhà xuất bản Nghệ An, 2003
Tóm tắt : Cuốn sách “Phân hữu cơ, phân vi sinh và phân ủ” được biên soạn với mục đích đưa các sản phẩm phân hữu cơ, phân vi sinh có chất lượng cao và ổn định đến tay bà con nông dân, nhằm hướng dẫn bà con các sử dụng sao cho hợp lý và tiết kiệm nhưng đạt kết quả cao nhất.

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Biofertilisers in Action
Tên sách: Biofertilisers in Action

© 2002  Rural Industries Research and Development Corporation. 
Tác giả: Ivan R Kennedy and Abu T M A Choudhury

PR130 cover
Tên sách: Efficient nutrient use in rice production in Vietnam achieved using inoculant biofertilisers

Australian Centre for International Agricultural Research (ACIAR) 2008
Tác giả: Kennedy, I.R., Choudhury, A.T.M.A, Kecskés, M.L. and Rose, M.T. (eds)

These proceedings provide a summary of the research outputs of work in Vietnam to assess the significance of a biofertiliser called BioGro. BioGro provides significant benefits for the growth and yield of rice. Apart from its technological content, this volume also contains five chapters emphasising economic or commercial assessments of the application of BioGro. Readers are left to draw their own conclusions about the significance of the BioGro. There is still room to debate; however, in the past decade the prices of N and P fertilisers have more than trebled, with few if any prospects that this trend can be reversed. As a consequence, it may be justifiable to expect major benefits from biofertilisers like BioGro for smallholder rice farmers in Vietnam and other developing countries in the immediate future rather than much later.

Practical methods for the quality control of inoculant biofertilisersTên sách: Practical methods for the quality control of inoculant biofertilisers

Australian Centre for International Agricultural Research (ACIAR) 2011
Tác giả: Rosalind Deaker, Mihály László, Michael Timothy Rose, Khanok-on Amprayn, Ganisan Krishnen, Tran Thi Kim Cuc, Vu Thuy Nga, Phan Thi Cong, Nguyen Thanh Hien and Ivan Robert Kennedy

Inoculant biofertilisers are preparations that contain beneficial micro-organisms that are applied to crops with the aim of reducing or replacing more costly and environmentally damaging chemical fertilisers. Research has shown that rice yields in Vietnam can be maintained and even increased with reduced application rates of chemical fertiliser when treated with the biofertiliser BioGro. However, the benefits of reduced input costs and potential yield increases can only be achieved if there is adequate quality control of biofertiliser production. This manual provides a set of guidelines for the routine testing of biofertiliser quality. The methods chosen seek a balance between the use of modern technologies and the needs of developing countries with limited resources other than labour.


BioGro_fertilizerTên sách: Quality Control of BioGro

Australian Centre for International Agricultural Research (ACIAR) 2009
Tác giả:  Nguyen Thanh Hien and Ivan Robert Kennedy

Biofertilizer research for rice in Vietnam has focused on the isolation and selection of strains that can fix nitrogen, solubilize inorganic phosphates, stimulate plant growth, and breakdown soil organic matter. This paper assesses the consistent positive effect of BioGro on grain yield and agronomic parameters, including the rates and times for its application, the need for continued inoculation of crops grown in the same site, varietal differences, and nitrogen (N), phosphorus (P), and potassium (K) combinations on the effectiveness of BioGro. The commercial biofertilizer, BioGro, consists of four strains, one formerly considered as nitrogen fixing, Pseudomonas fluorescens, a soil yeast strain, Candida tropicalis is P-solubilizing, and two other bacilli, Bacillus amyloliquefaciens and Bacillus subtilis, potentially breaking down cellulose, protein, and starch. All four strains contribute to plant growth promoting rhizobacteria (PGPR) effect as shown by enhanced root growth. BioGro can be produced in local factories providing there is technical backup in the supply of starter culture and quality control of the final product.

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