陕西建立陡坡蚕桑水保经济的前景与效益分析
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Future and Benefits of Soil and Water Conservation and Economic System of Mul berry一Sericulture at Steep Hil1 side in Shaanxi Province
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    摘要:

    丝织品销售量在国内外市场呈上升趋势, 我国近年蚕丝出口创汇30亿美元, 占世界贸易量的40%。陕西丘陵山区以陡坡灌桑垄槽栽培新法在25°以上退耕坡地植桑, 每hm2产桑叶900~18000kg;每hm2养蚕15~30张, 产茧450~900kg, 每hm2桑年获利3000~6000元以上;水土保持效益6000~12000元。陕西省有我国《水土保持法》规定25°以上陡坡应退耕坡耕地9.22×105hm2, 可发展4.33×105hm2灌桑垄槽桑园, 亦不与粮食及其它经济作物争地, 农工商利税可达1.53×1010元, 在为国家创汇的同时, 可获2.6×109~5.2×109元的水土保持效益。

    Abstract:

    The silk fabrics sales volume on current market of China and abroad is tending to increase.Export exchange earnings of natural silk achieve 3 X 109$per year for China in recent years, and fourty percent of the natural silk turnover in the world trade is owned by China. Planting shrubby mulberry on steep slope barren land of more than 25 degrees with new artistry on ridge-trough cultivation of shrubby mulberry on steep slope land.There are 9000~18OOOkg of mulberry leaves per ha that could be produced at hilly region of Shaanxi province;there are 450-900kg of cocoon crop and 300-600 yuan of income that could be obtained from 15~30case of silkworm eggs raised with per ha shurb by mulberry leaves, and 6000-12000 yuan of soil and water conservation benefit per ha could be produced.There are 9.22 X 105ha steep slope land of more than 25 degrees in Shanxi province.On these land, cereal crops must not be cultivated according to Chinese soil and water conservation law.There are 4.33 X 105ha of shrubby mulberry on rideg-trough field could be developed, which will not share the land with grain and other economic crops.Agricultural, industry and business tax could be achieved to the amount of 1.53 X 1010 yuan.At the same time of gaining foreign exchange for homeland, 2.6X109~5.2X109yuan of soil and water conservation benefit could be gotten.

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李自莲,吴远举.陕西建立陡坡蚕桑水保经济的前景与效益分析[J].水土保持通报,1996,(2):11-16

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  • 收稿日期:1995-04-01
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  • 在线发布日期: 2014-11-28
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