ISBN 10: 7538425489 ISBN 13: 9787538425482
Seller: liu xing, Nanjing, JS, China
£ 48.68
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Add to basketpaperback. Condition: New. Paperback Pages Number: 271 Language: Chinese. Must fertilizer to improve crop yields. However. excessive application of chemical fertilizers make the soil acidification. nutrient loss. and even the accumulation of salt in the crop of vegetables and fruit trees. the main origin of the various physiological disorders. These barriers not only crop production. but also seriously affect the quality of crops. In order to avoid crop physiological barriers. improve yield and quality. you must provid.