期刊论文

HUANG, H.

英文

Agricultural Sciences in China

1671-2927

2007

6

3

347-354

10.1016/S1671-2927(07)60055-8

This study was part of the project supported by China Spark Program (2004EA770030) and Education Department of Hunan Province of China (03C174).

本校为第一机构

The external costs and the optimum use of nitrogen fertilizer based on the balance of economic and ecological benefits was studied with the paddy field system of Dongting Lake area, one of the main food production regions in China. The environmental impact was economically evaluated using methods of the environmental impact economical evaluation. The optimum use of nitrogen fertilizer was calculated based on the exterior diseconomy theory and by using the production function model. Both ecological benefits and farmers' economic benefits were co...

外部费用和氮肥的最佳使用与东廷·莱克区域的稻田系统基于经济、生态的好处的平衡被学习，在中国的主要食物生产区域之一。环境影响经济地用环境影响的方法被评估节俭的评估。氮肥的最佳使用基于外面的不经济理论并且由使用生产功能模型被计算。生态的好处和农民是好处被考虑的经济。氮肥的不恰当的利用在食物生产的过程引起的损失是渔业，这从 2002 在数据上被计算， 0.1 × 107 RMB 元；水处理， 1.02x 108 RMB 元；旅游生意， 0.11 × 108 RMB 元，和居住环境， 0.3 × 107 RMB 元，完全等价于 0.41 RMB 元 kg ? 1 N。经济地令人满意并且为当前的生产的生态的农学的氮肥剂量是 138 和 137 k...