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为了改变干旱地区的面貌,逐步实现农业生态的良性循环,近一、二年来各地都开始大面积种植多年生牧草,形势发展很快。例如兰州市的榆中县仅1983年就种植紫花苜蓿、红豆草等多年生牧草两万余亩,1984年计划再种多年生牧草五万亩。但在生产实践中由于对种草技术还掌握不够,尤其在播种技术、田间管理和合理利用上还存在不少问题,所以常常造成严重缺苗和损害牧草正常的生长机能,严重影响产草量。为了进一步促进种草养畜事业的发展,今就旱地种植多年生牧草的几个关键性技术问题谈一些意见,供参考。
In order to change the appearance of arid areas and gradually realize a virtuous cycle of agro-ecology, the perennial pasture has started to be planted in large areas in almost a year or two. The situation is developing rapidly. For example, Yuzhong County in Lanzhou only planted more than 20,000 hectares of alfalfa and safflower grassy pests in 1983 only in 1983, and planted another 50,000 hectares of perennial grassland in 1984. However, there are still many problems in the production practice due to the lack of grasping techniques, especially in sowing techniques, field management and rational utilization, which often result in serious lack of seedlings and damage to the normal growth function of forage, seriously affecting the yield of grass . In order to further promote the development of animal husbandry and breeding, some opinions on some key technical issues concerning the cultivation of perennial grass in drylands have been put forward for reference.