Analysis of Soil Fertility Improvement Path of Newly Reclaimed Cultivated Land: A Case Study in Zhejiang Province

doi:10.11924/j.issn.1000-6850.casb2022-1038

Abstract

Abstract:

Cultivated land is the material basis for human survival, which plays an important role in ensuring food security, national economic development and social stability. With the rapid development of Chinese economy, the land area occupied by urban construction activities has gradually increased, resulting in the decrease of cultivated land area, and the contradiction between the shortage of land resources and the growth of land demand is increasing. Newly reclaimed land is the main way to guarantee the quantity of cultivated land, which helps to realize the balance between occupation and compensation of cultivated land. This paper introduced the main obstacle factors of newly cultivated land and the basic situation of fertility improvement. The comprehensive evaluation technology and method of soil fertility, and the present situation and problems of rapid improvement technology of soil organic matter in newly reclaimed land were emphatically summarized. In addition, specific countermeasures and suggestions were put forward from three aspects: (1) researches on fertility status, obstacle factors and evaluation system of newly reclaimed land soil; (2) research and development of new green fertilizer products that comprehensively improve the production and ecological function of newly reclaimed soil; (3) researches on the key technologies that collaboratively reduce the key obstacle factors and improve the fertility of newly reclaimed soil.

Key words: newly reclaimed, soil fertility, obstacle factor, strategy

CHEN Huiying, WANG Feng, WANG Qiang, YU Qiaogang, YE Jing, LIN Hui, SUN Wanchun, YANG Yan, MA Junwei. Analysis of Soil Fertility Improvement Path of Newly Reclaimed Cultivated Land: A Case Study in Zhejiang Province[J]. Chinese Agricultural Science Bulletin, 2023, 39(18): 75-80.

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