藏北高原野生牧草种穗收获试验研究

藏北高原天然草地野生牧草种子的收获,一直是制约藏北退化草地修复的一个重要因素。文章以手持式野生牧草种子收获器为工具,以人工收获和机械收获两种方式,对藏北高原多种牧草种子进行收获,通过数据对比分析发现:(1)机械收获方式在收获效率、纯净度和收获率方面,均优于人工收获方式;(2)手持式收获器的工作能力较强,收获效率可替代10~30个人工,且对种子完整性没有影响;(3)手持式收获期对密实型种穗的收获效果更佳。

The harvest of wild forage seeds in the natural grassland of northern Tibet has always been an important factor restricting the restoration of degraded grassland in northern Tibet. In this paper, hand-held wild forage seed harvester was used as a tool to harvest many kinds of forage seeds in northern Tibet plateau by manual harvesting and mechanical harvesting. through the comparative analysis of the data, it is found that:(1) the mechanical harvesting method is superior to the manual harvesting method in terms of harvest efficiency, purity and harvest rate;(2) the hand-held harvester has strong working ability, the harvesting efficiency can replace 10-30 manual workers, and has no effect on the seed integrity;(3) the hand-held harvester has a better effect on the harvest of dense seed ears.