ISBN: 9787109278301 - 河北省马铃薯产区耕地质量演变与提升 图书 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2020-12-01 Pages: 310 Language: Chinese Publisher: China Agricultural Publishing House This book is based on the farmland resource management unit. using Delphi method. fuzzy mathematics. AHP and other methods to determine each index The membership function and weight are used to calculate the comprehensive score of the cultivated land resource management unit. and the cultivated land quality grade is calculated according to the evaluation index division standard.?The res.…