1　新农药登记新农药是指含有的有效成分尚未在我国批准登记的国内外农药原药及其制剂。新农药在我国的登记按照下列 3个阶段进行。1 1　田间试验田间试验是指临时登记前的田间小区或相当于田间小区性质的试验 ,其中田间试验包括田间药效、残留和环境生态试验。试验应按《农药 1 registration of new pesticides The new pesticide refers to the active ingredients contained in our country has not yet approved the registration of the original pesticide and its formulations. Registration of new pesticides in China in accordance with the following three stages. 1 1 Field trials Field trials refer to pre-registration field plots or fields equivalent to field plots. Field trials include field efficacy, residual and environmental ecological tests. The test should be "pesticides