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| 典型重金属污染农田能源植物示范种植研究 |
| Field Demonstration ofEnergy Plants Production onHeavyM etalContam inated Farm land |
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| 中文关键词: |
| 英文关键词: |
| 基金项目:国家环境保护公益性基金资助项目 (2010467016); 科技部国际科技合作基金资助项目 (2010DFA92360) |
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| 中文摘要: |
| 为探索安全经济利用重金属中度 - 重度污染农田的模式 , 在浙江某典型重金属复合污染农田 开展了能源植物( 甜高粱 Sweetsorghum 、 甘蔗 Saccharum sinensisRoxb. 、 香根草 Vetiveria 和盐肤木 Rhuschinensis) 种植示范研究。 结果表明 , 经施加 0.1% 的石灰和 0. 2% 的磷矿粉改良后 , 土壤 pH值升高 , 有效态重金属含量显著降低。 甜高粱、甘蔗和香根草的 生物量受到土壤有效态重金属的一定影响。 甘蔗、甜高粱汁液总糖和还原 糖的含 |
| 英文摘要: |
| To explorethepossibilityofsafeand beneficialuseoffarmlandmoderatelyto heavilycontamina ted by heavymetals, afield demonstration ofenergycrop production wascarried outona heavymetalcontamina ted farmland in Zhejiang Province. TheresultsshowedthesoilpH increased and availableheavy metalcontents significantlyreduced aftertheadditionof0.1% limeand 0.2% phosphaterock. Thebiomassofsweetsorghum, sugarcane and vetiverwasaffected by available heavy metalsinthesoi.l Thetotalsugarand reductivesugar contentofthejuicefrom sweetsorghum and sugarcane were notsignificantly affected by thetreatments. Swee sorghum produced morethantwicejuiceperunitareathansugarcane. Theresultsshowedthataddition ofsoila mendm entsenabled energy crop production on farmland contam inated by heavy metals. |
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