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黄河水利委员会天水水土保持科学试验站梁家坪、龙王沟、罗玉沟试验场,创建于20世纪40—50年代,是开展黄土丘陵沟壑区第三副区水土流失规律试验研究的基地,也是开展水土保持技术推广的场所,还是我国最早开展水土保持试验研究的地方。梁家坪试验场1944年开展了径流小区试验、气象观测,开展的垄作区田、草田轮作、深耕试验,以及1951年开展的全国最早的山地果园试验研究都取得了成功。龙王沟试验场创建了黄河流域第一个水土保持牧草试验原种圃,培育成功的草木樨等在我国西北地区大面积推
The Yellow River Conservancy Commission Tianshui Soil and Water Conservation Science Experimental Station Liangjiaping, Longwanggou, Luo Yugou test site, founded in the 40-50 years of the 20th century, is to carry out loess hilly and gully area third sub-area of soil erosion law experimental research base, but also to carry out soil and water To maintain the place of technology promotion, or our country to carry out the pilot study of soil and water conservation. In 1944, Liangjiaping Experimental Station conducted runoff plot test, meteorological observation, field experiment of cropland rotation, grass field rotation and deep plowing as well as the earliest mountain orchard experiment and research carried out in 1951 in China. Dragon King ditch experimental site to create the Yellow River Basin, the first trial of soil and water conservation forage nursery nurturing the success of the grass mulberry and other large area in Northwest China push