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Changsha: Wu Chu (USA-China) Science and Culture Media Corporation
Erscheinungsjahr
2014
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Based on soil sample data in years, it is concluded that an organic matter, total N, available P and rapidly available K increased compared with National Second Soil Survey. Furthermore, contents and changes of soil nutrients were analyzed, and countermeasures for improving soil quality were proposed to protect and improve land comprehensive productivity and promote land resource sustainable use and agricultural sustainable development.