Farmland Productivity Evaluation of Anyang City

WU Bin

Abstract：The Anyang soil map,present landuse map were overlaid to confirm the evaluation unit. Eleven evaluation indexes were selected from soil condition, soil nutrient, sitecondition, agricultural facilities to calculate farmland productivity comprehensive index,then evaluating the farmland productivity to provide decision-making information for comprehensive utilization and quality management of farmland resources. The results showed that Anyang farmland class ranked from one to five taking up 27%,44%,22%,4%and 3% of the total area. The first class farmland distributed throughout the middle of Huaxian,the north of Neihuang county,the middle east of Anyang county,the middle of Tangyin county, and the east plains of municipal districts. The distribution of the second class was mainly in Huaxian, Neihuang county, Tangyin county,Anyang county,the middle east plain of municipal districts and middle of Linzhou moun-tain basin area. The third class mainly spreaded across the south of Huaxian,Neihuang county,the middle east of Linzhou city,the west of Anyang country and municipal districts,and the middle west of Tangyin county. The fourth and fifth class farmlands distributed over low-medium highland of Linzhou, Anyang county,Tangyin county,the west mound and hilly area of municipal districts. The one to five class farmland of Anyang city were equivalent to the one,two,three,five,seven class of the state farmland productivity system.