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ISBN 10: 7542419099ISBN 13: 9787542419095
Librería: liu xing, Nanjing JiangSu, JS, China
Libro
paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2014-12-01 Publisher: gansu science and technology press This book mainly includes: natural and agricultural production;Field investigation and soil sample collection;The soil properties;Farmland productivity evaluation;The farmland productivity evaluation results and analysis;Mountain farm the middle-and-low-yielding fields distribution and improved;Chrysanthemum farm saline-alkali land distribution and improvement.