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Zhang Qing Wen Yan Hong (2 results)
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Integrated technology and management model of agricultural water use control in irrigation districts(Chinese Edition)
Published by China Water Conservancy and Hydropower Press, 2020
ISBN 10: 7517091778 ISBN 13: 9787517091776
Language: Chinese
paperback. Condition: New. Paperback. Pub Date: 2020-11-01 Language: Chinese Publisher: China Water Conservancy and Hydropower Press uses a controllable pipeline system to supply water and fertilizer. After the water and fertilizer are melted. drip irrigation is formed through the pipeline and dripper. which is uniform. regular. and quantitative. Infiltrate the growth area of ??the crop root system. so that the main root system soil is always loose and suitable for water content. At the same time. according to the fert.
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Hardcover. Condition: New. Language:Chinese.HardCover.Pub Date:2022-06-01 Pages:628 Publisher:Jiangsu People's Publishing House This book is one of the 100-volume series of Special Research on China's War of Resistance Against Japanese Aggression. and is the first outstanding project of Nanjing University to realize the Double First-Class construction . Major Commissioned Project of Philosophy and Social Science Research by the Ministry of Education. This book is dedicated to the study of the role and significance of t.
