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Publicado por Hebei Science and Technology Press, 2000
ISBN 10: 7537537992ISBN 13: 9787537537995
Librería: liu xing, Nanjing JiangSu, JS, China
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paperback. Condición: New. Paperback. Pub Date: 2009 Pages: 119 Language: Chinese in Publisher: the rapid development of the Hebei Science and Technology Press plastic film solar greenhouse vegetable production to ease a few varieties of winter and early spring off-season vegetables. insufficient number of contradictions. greatly enriched the people of the vegetable basket. as well as greatly increasing the income of farmers. more important is to arouse the awareness of farmers' scientific vegetables. and continuously .