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生态效益研究
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  ecological economic research
     Ecological economic research of windy and sandy soil regulation in the west of Songnen Plain
     松嫩平原西部风沙化土地治理生态效益研究
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  “生态效益研究”译为未确定词的双语例句
     The Actualities of Research on Forest Ecological Benefits
     森林生态效益研究现状
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     Study on Water Ecological Benefits of Artificial Chinese Pine Stands in Loess Hilly Region
     黄土丘陵区油松人工林水分生态效益研究
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     Study on the Planting Technology of Mulberry Trees and Its Ecological Benefits
     陕北桑树栽植技术及其生态效益研究
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     Study on Ecological and Economic Benefits of Intercrop with Forages and Crops or Other Vegetations
     间作牧草的经济、生态效益研究进展
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     Eco-hydrological Benefit of the Middle Yangtze River Shelter Forest
     长江中游栓皮栎林水文生态效益研究
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  相似匹配句对
     Study on Vertical Planting and Its Ecological Benefits
     垂直绿化及其生态效益研究
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     Law and Regulation of Ecological Benefits Compensation Study
     生态效益补偿制度研究
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     The Actualities of Research on Forest Ecological Benefits
     森林生态效益研究现状
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     Research on Ecological System Benefit Benefit of Greenland in the Suburb
     城郊绿地系统生态效益研究
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     Review on research of evaluation on forest ecological benefits.
     森林生态效益评价的研究进展
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The ecological effects of traditional planting was compared with those of a space planting and feeding model in winter paddy field in Chongqing. The results showed that in the "rice + fish + duck " model, the soil temperature at the 0~20 cm layer, diurnal variation of temperature, and readily available N, P and K were raised, and total N, P and K and organic matter in soil were shown to increase by 25. 8,39. 2,5. 4 and 25. 7%,respectively. Insect population decreased and incidence of diseases dropped. As a result,...

The ecological effects of traditional planting was compared with those of a space planting and feeding model in winter paddy field in Chongqing. The results showed that in the "rice + fish + duck " model, the soil temperature at the 0~20 cm layer, diurnal variation of temperature, and readily available N, P and K were raised, and total N, P and K and organic matter in soil were shown to increase by 25. 8,39. 2,5. 4 and 25. 7%,respectively. Insect population decreased and incidence of diseases dropped. As a result, the average grain yield increased by 11. 1%and 1912. 5 kg/hm2 of fish and 440. 3 kg/hm2 of duck were obtained, with an ecological index(EI)of o. 8547. A beneficent cycle was realized.

对稻、鱼鸭种养模式的生态效益研究表明,稻十鸭十鱼田0cm~20cm土层温度升高,土壤昼夜温差增大,土壤有机质、全氮、磷、钾分别增加25.7%,25.8%, 39.2%,5.4%,速效N,P_2O_5,K_2O养分增大;水稻植株虫口量减少,病害轻。可增收鲜鱼1912.5kg/hm~2, 成鸭440.3kg/hm~2,水稻产量增加11.1%,生态指数EI—0.8542,属良性循环。

The ecological.benefits of shelter-forest adopting the combined methods are discussed,such as visual interpretatinn of remote sensing imagery with fieldsurvey, routine analysis of climate, geoscience correlation analysis and observation of shelter-forest microclimate in fixed area. The remarkable change of ecological environment, especially ecological benefit, has taken place since the shelter-forest project established in this area, and the mathematicial model is givenfor measuring ecological benefits.

采用遥感影像目视解译与野外考察、气候常规分析、地学相关分析和定点防护林小气候观测等多种方法,进行防护林工程的生态效益研究.指出自然环境的变化—防护林建成后,气候资源的生态效益亦发生了显著变化,文中并给出了生态效益估算数学模式.

This paper reported the research on the optimum model of ecologccal agriculture, forestrial economy and the ecological effect in the Baicha Viaaage, Pengyang County,Niangxia.It explained that the forestry was on a central position and took a decisive effect.in the ecoagricultural construction.To bring the forestry into full play can drive the development of agriculture and animal husbandry to speed up the ecoagricultural construction.

本文报道了彭阳白岔村生态农业的优化模式和林业的经济、生态效益研究,说明林业在生态农业建设中处于核心地位,并起着决定性作用。充分发挥林业优势,可以带动种植业和畜牧业的发展,加速生态农业的建设。

 
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