Estimates of herbicide use for the 20 most-used herbicides in the conterminous United States

This coverage contains estimates of herbicide use for the 20 most-used herbicides in the conterminous United States as reported in Gianessi and Puffer (1991)....本数据集涵盖基于Gianessi和Puffer（1991）的研究报道所得到的美国本土（conterminous United States）20种最常用除草剂的使用量估算值。