Original Articles

Systematical Analysis on Agricultural Resources Utilization in Hailun County Based on Crop Potential Productivity

  • State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, CAS, Beijing 100085, China

Online published: 2009-11-25


By using the mechanism methodology, the model for potential agricultural productivity was established. Effective coefficients for factors such as radiation, temperature, water and land were identified. This paper estimated the main crops potential productivity in Hailun County, and established agricultural resources utilization assessment which is composed of productivity loss value, contented index and yield potential index based on the productivity of different levels. The result showed that the photosynthetic potential productivity was 16801.4 kg/hm2, the temperature potential productivity was 12483.9 kg/hm2, climate potential productivity was 9799.1 kg/hm2, and agricultural potential productivity was 8248.4 kg/hm2. If the temperature potential productivity is regarded as the highest productivity that can be realized, there was still 74.01% of potential on main crops in Hailun County and yield potential of maize was higher than that of soybean. The social and economic conditions were the key restricting factors and in natural resources temperature played the most important role in restricting crop productivity, and then moisture and soil fertility condition. On this basis and site-investigation, we analysed systematically local crop productivity resources. By this way we can find the main restricting resource factors to achieve the purpose of appraising agricultural resources utilization efficiency comprehensively.

Cite this article

MA Yan, CHEN Liding . Systematical Analysis on Agricultural Resources Utilization in Hailun County Based on Crop Potential Productivity[J]. PROGRESS IN GEOGRAPHY, 2009 , 28(6) : 998 -1003 . DOI: 10.11820/dlkxjz.2009.06.023


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