集约化放牧场草层的利用,在营养期,只有在不断地供给植物生长所需要的水分及营养物质的情况下才能实现。在罗斯托夫省的《佐热依》国营农场培育的放牧场上,作者们试验研究了草地适宜的灌水量和无机肥料的施入量。试验中的前两年(1977—1979年),对多年生牧草的生长 The use of grassland in intensive grazing lands can only be achieved during the vegetative phase only by continuously supplying the water and nutrients required for plant growth. At the grazing ranch cultivated in the Zorzei State Farm in Rostov-on-Don, the authors experimented with the appropriate amount of irrigation and the amount of inorganic fertilizer applied to grasslands. In the first two years of the experiment (1977-1979), the growth of perennial grasses was examined