摘要
本文对都兰县天然草地有害生物进行调查,结果表明,全县草地有害生物发生面积为38.13×10^(4)hm^(2),危害面积为29.90×10^(4)hm^(2)。其中草原鼠害发生面积为26.86×10^(4)hm^(2),危害面积为21.97×10^(4)hm^(2);草地虫害发生面积为9.20×10^(4)hm^(2),危害面积为7.00×10^(4)hm^(2);毒害草发生面积为2.07×10^(4)hm^(2),危害面积为0.93×10^(4)hm^(2)。通过调查,分析存在的问题,提出合理建议,为都兰县草地有害生物防控提供依据.
In this paper,the pest of natural grassland in Dulan County was investigated.The results showed that the pest occurrence area of grassland was 38.13×10^(4)hm^(2),and the occurrence area was 29.93×10^(4)hm^(2).The rodent damage area in grassland was 26.86×10^(4)hm^(2),and the damage area was 22×10^(4)hm^(2).The grassland insect occurrence area 9.2×10^(4)hm^(2),damage area 7×10^(4)hm^(2);The occurrence area of toxic grass was 2.07×10^(4)hm^(2),and the damage area was 0.93×10^(4)hm^(2).Analyze the existing problems,suggestions were put forward to provide the basis for the prevention and control of pests in grassland in this county.
作者
石艳
SHI Yan(Dulan Forestry and Grassland Station,Dulan Qinghai 816100,China)
出处
《青海草业》
2023年第2期59-64,共6页
Qinghai Prataculture
关键词
天然草地
有害生物
调查
Natural grassland
A pest
Investigation
