论文部分内容阅读
贵州南部山地黄壤有天然草场97万公顷。其中大部份属于“处女草场”,尚未开发与利用。为开发利用贵州南部丰富的草场资源,对于山地黄壤土壤养分状态,尤其是微量元素与白三叶、黑麦草的关系及土壤施用石灰对微量养分的影响,我们于
Mountain yellow soil in southern Guizhou has 970,000 hectares of natural grassland. Most of them belong to the “virgin meadow”, yet to be developed and utilized. In order to develop and utilize abundant grassland resources in southern Guizhou, the relationship between soil nutrient status of yellow soil in mountainous areas, especially the relationship between trace elements and white clover and ryegrass, and the effects of soil application of lime on trace nutrients,