(农民致富关键技术问答丛书)河蟹高效益养殖关键技术问答 - Tapa blanda

Of crab-effective farming key technical Q & A (with VCD discs)(Chinese Edition)

paperback. Condición: New. Paperback. Pub Date: 2008 Pages: 126 Language: Chinese in Publisher: China Forestry Publishing author in strict accordance with national and local promulgated the Measures for the Administration of standardized agricultural production. the actual production model and standardized production base. in the form of questions and answers in detail Pollution Standardization crab farming techniques. Farmed artificial propagation of the main contents include the use of the biological habits of the cr. Nº de ref. del artículo: CB046691

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