Language:Chinese.Paperback. Pub Date: 2015-06-01 Pages: 84 Publisher: Sichuan Science and Technology Publishing House Science planting walnut based in Sichuan walnut resource characteristics. Sichuan walnut varieties selection. walnut seedling breeding difficulties. high-yield cultivation problem. the system introduces the corresponding technical countermeasures. Among them. for the ecological characteristics of Sichuan and difficulties walnut grafting. the status quo of rural labor. innovation and the promotion of universal germ walnut grafting techniques. greatly improving the survival of walnut. Chongqing hybrid bred for five ecological zones of low sunlight. high humidity early walnut varieties. This book is practical strong. easy to understand. for the majority of farmers and research workers.
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Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Language:Chinese.Paperback. Pub Date: 2015-06-01 Pages: 84 Publisher: Sichuan Science and Technology Publishing House Science planting walnut based in Sichuan walnut resource characteristics. Sichuan walnut varieties selection. walnut seedling breeding difficulties. high-yield cultivation problem. the system introduces the corresponding technical countermeasures. Among them. for the ecological characteristics of Sichuan and difficulties walnut grafting. the status quo of rural labor. innovati. Seller Inventory # CX029498