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| 覆膜垄沟集雨种植对老芒麦生长发育的影响 | |
| 引用本文： | 李春荣,苏德荣,何峰,何丹,李向林.覆膜垄沟集雨种植对老芒麦生长发育的影响[J].中国草地学报,2010,32(2). |
| 作者姓名： | 李春荣 苏德荣 何峰 何丹 李向林 |
| 作者单位： | 1. 中国农业科学院北京畜牧兽医研究所,北京,100193;北京林业大学省部共建森林培育与保护教育部重点实验室,北京,100083 2. 北京林业大学省部共建森林培育与保护教育部重点实验室,北京,100083 3. 中国农业科学院北京畜牧兽医研究所,北京,100193 |
| 基金项目： | 公益性行业(农业)科研专项，国家科技支撑计划 |
| 摘 要： | 研究了北方农牧交错区垄沟集雨种植措施对老芒麦生长发育的影响。覆膜垄沟集雨种植可以使有限降雨在沟内富集累加,提高了沟内表层土壤含水量,同一深度总体表现出MR60MR30CK的规律,同一处理内随着土壤深度的增加土壤含水量逐渐降低。老芒麦生育期内,处理内高度差异显著,MR60和CK相比株高提高33.5%～61.3%,MR30和CK相比株高提高20.1%～44.1%;MR60、MR30与CK三者在密度方面差异不尽相同,在8月上旬之前MR30与CK差异不显著,但均与MR60差异显著,密度动态变化和单株分蘖数变化保持一致;在草产量方面,各个处理之间差异均显著,M60处理鲜、干草产量分别达到15988kg/hm2、4196 kg/hm2,与CK相比分别提高了105%和96%;M30处理老芒麦鲜、干草产量分别为11497 kg/hm2、2824kg/hm2,与CK相比分别提高48%和32%。 |
| 关 键 词： | 农牧交错区 垄沟集雨 老芒麦 土壤含水量 |
Effects of Rainwater Harvesting with Plastic-covered Ridge and Furrow on Growth and Development of Elymus sibiricus L. |
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| LI Chun-rong,SU De-rong,HE Feng,HE Dan,LI Xiang-lin.Effects of Rainwater Harvesting with Plastic-covered Ridge and Furrow on Growth and Development of Elymus sibiricus L.[J].Chinese Journal of Grassland,2010,32(2). | |
| Authors: | LI Chun-rong SU De-rong HE Feng HE Dan LI Xiang-lin |
| Institution: | LI Chun-rong1,2,SU De-rong2,HE Feng1,HE Dan1,LI Xiang-lin1(1.Beijing Institute of Animal Science of CAAS,Beijing 100193,China,2.Key Laboratory for Forest Cultivation of Ministry of Education , Beijing Forestry University,Beijing 100083,China) |
| Abstract: | The effects of rainwater harvesting with ridge and furrow on growth and development of Elymus sibiricus L.were studied in northern farming-pastoral zone of China.The results showed that rainwater harvesting with plastic-covered ridge and furrow can make the limited rainfall accumulated in the furrow,enhance the soil water content of surface layer.At the same depth the soil water content in MR60 was higher than that in MR30,and the MR30 was higher than CK.Within the same treatment,the soil water content grad... |
| Keywords: | Farming-pastoral zone Rainwater harvesting with ridge and furrow Elymus sibiricus L Soil water content |
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