ISBN 10: 7109278298 ISBN 13: 9787109278295
Seller: liu xing, Nanjing, JS, China
US$ 106.17
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Add to basketpaperback. Condition: New. Paperback. Pub Date: 2021-01-01 Pages: 221 Language: Chinese Publisher: China Agriculture Press This book focuses on the analysis of monitoring data in 2018. and the second national soil survey in 1979. and the soil nutrients in the cultivated layer of the province in 1993 The survey and comparison of soil nutrient monitoring data during the period of soil testing and fertilization from 2005 to 2014 reflect the evolution trend of cultivated land quality over time; spatially. statistical analy.
ISBN 10: 7550925925 ISBN 13: 9787550925922
Seller: liu xing, Nanjing, JS, China
US$ 115.33
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Add to basketpaperback. Condition: New. Paperback. Pub Date: 2020-01-01 Pas: 238 Language: Chinese Publisher: Yellow River Water Conservancy Press The Risk Study of SMS in the Northwest Plateau is based on 2014. the 2015 Qinghai Province flood risk map preparation is based on the results of the results. 10 important small and medium-sized rivers in the Northwest Plateau conducted flood risk research. involving .