bulletin of soil and water conservation 读音:美英 bulletin of soil and water conservation基本解释 水土保持通报 分词解释 bulletin公告,公报 soil泥土 water水 conservation保存
X Yang - 《Bulletin of Soil & Water Conservation》 被引量: 45发表: 1988年 Efficient method for measuring discharge in steep rivers using a portable acoustic Doppler profiler measuring system and Chiu's theorem Department of Water Resources Engineering and ConservationHan-Peng ShihPh. D. in Progra...
Fuxinglu, Jia
County-level Landuse Analysis Based on GIS——A Case Study of Yangxian杨琨常庆瑞高欣水土保持通报
In modern irrigated agriculture N top dressing is often applied through the irrigation water. The objective of this research was to evaluate the potential of guano as a source of available N when applied through water, compared with application to soil. The release of mineral and......
Bulletin of Soil and Water Conservation 23: pp. 42-45Wu, S.F., P.T. Wu and H. Feng, 2003. A study on influence of macromolecule polymers to soil physical properties. Bull. Soil Water Conserv., 23: 42-45.
植草护坡模拟降雨[目的]对鄱阳湖区典型堤防不同植草护坡产流产沙特征进行试验研究,为该区植草护坡草种筛选以及护坡技术构建提供一定的科学依据.[方法]采用人工模拟降雨的手段,利用水土流失移动监测车选取鄱阳湖区典型堤防——九江市永修县九合联圩为研究对象,对裸露坡面(BL),自然恢复坡面(NRS),狗牙根护坡坡面(CDS)...
GIS叠图法扬州市运用生态系统服务价值法的最新研究成果和GIS叠图法对江苏省扬州市新一轮土地利用总体规划进行了环境影响评价.研究结果表明,扬州市的生态服务价值在规划期内呈现先下降后上升的趋势,其中市辖区和宝应县生态服务价值呈现下降趋势,仪征市、高邮市和江都市生态服务价值在规划期内不断上升;绝大多数规划建...
根际土壤生物学特性以5年生欧美I-107杨为试材,分析了6倍胸径两侧和四侧,8倍胸径两侧和四侧,10倍胸径两侧和四侧的不同根剪措施对杨树根际土壤生物学特征的影响.结果表明:(1)同对照相比,8倍胸径两侧根剪处理显著增加了根际土壤中有效磷、有机质含量及根系分泌物中氨基酸总量和有机酸总量.并且显著提高了根际...