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生态学杂志 ›› 1988, Vol. ›› Issue (4): 26-29.

• 研究报告 • 上一篇    下一篇

稻田养鱼生态经济效益的初步分析

卢升高, 黄冲平   

  1. 浙江农业大学
  • 收稿日期:1986-12-24 修回日期:1987-02-10 出版日期:1988-08-10

Economic and Ecological Effects of Fish Culture in Paddy Fields

Lu Shenggao, Huang Chongping   

  1. Zhejiang Agricultural University
  • Received:1986-12-24 Revised:1987-02-10 Online:1988-08-10

关键词: 粉煤灰, 砂姜黑土, 生态因子, 残留, 土壤改良

Abstract: This paper gives an analysis on the economic and ecological effects of fish culture in paddy fields in northern Zhejiang province.In the system the rice field provided favorable living conditions for fish, and fish consumed weeds and rice insects, controled rice disease, improved soil fertility and rice growth.The rice yield and the output-input ratio of energy were increased by 9.3% and 14.2% respectively.The fish production and the total income were reached to 1384.5kg/ha and 4981.5 yuan/ha respectively.

Key words: Coal fly ash, Shajiang black soil, Ecological factor, Residue, Soil amended