| 马丽,隋鹏,高旺盛,李丰蓉.太行山前平原不同种植模式水资源利用效率分析[J].干旱地区农业研究,2008,(2):177~183 |
| 太行山前平原不同种植模式水资源利用效率分析 |
| Water resources use efficiency of different cropping patterns in the Piedmont of Mt．Taihang |
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| DOI：10.7606/j.issn.1000-7601.2008.02.35 |
| 中文关键词: 太行山山前平原 作物 生物产量 水分利用效率 水分经济利用效率 种植模式 |
| 英文关键词:piedmont of Mt．Taihang crop biomass production WUE EWUE cropping pattern |
| 基金项目:国家自然科学基金项目(30471010)； 国家科技支撑计划“粮食主产区农田生态健康管理关键技术研究与示范”(2006BAD02A15) |
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| 中文摘要: |
| 太行山前平原作物种植模式主要为冬小麦—夏玉米,单一的高耗水种植模式在一定程度上造成了该地区的水资源缺乏。以麦—玉模式作为对照,本试验研究比较了太行山山前平原7种作物模式周年耗水量、水分利用效率以及水分经济利用效率,比较得出水资源利用效率较高的作物模式,发展节水农业。试验结果表明:通过比较各模式周年耗水量,其中麦—玉系统耗水量最大为736.1 mm;苜蓿总耗水WUE最大,为23.97 kg/(mm.hm2);春甘薯的总耗水EWUE最大,为38.08元/(mm.hm2),比麦—玉模式高46.9%。试验的几种模式均比麦—玉复种耗水少,具有节水潜力;从水分利用效率的比较结果来看,可以采用适当面积的苜蓿来替代麦—玉模式,替代其生产饲料粮的功能;从水分经济利用效率结果考虑,则应该在满足冬小麦、夏玉米需求的情况下压缩此种种植模式面积,代之以苜蓿、甘薯、花生和青贮玉米等高效益作物。 |
| 英文摘要: |
| As is known to all the main cropping pattern is winter wheat-summer maize pattern which has lead to the lack of water resources gradually at a certain extent in the North China Plain ．The purpose of the research is to find crops of high efficiency of water resources use ；we compared the water consumption WUE and EWUE of 7different cropping patterns in plateau of central Hebei Province in the piedmont of Mt ．Taihang． The research result indicated that the highest consumption of water in those patterns was winter-wheat ＆ summer-maize system?which was 736．1 mm．The ET WUE of alfalfa was 23．97 kg／（mm·hm2） which was the biggest one of 7patter ms ．ET EWUE of sweet potato was higher than any other modes ?about 38．08 kg／（mm·hm2） which was 46．9％ higher than winter-wheat ＋ summer-maize pattern．All of other 6 crop planting patterns whose water consumption was lower than wheat ＋ maize pattern so they had potential for water saving． |
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