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品种是作物栽培的对象,生产上选用品种最好是经过区域化鉴定试验和品种生产试验适合于本地区自然条件和栽培水平的.如果有条件的农科队参加品种生产试验,则更有助于优良品种的示范推广.品种生产试验所选用的品种数目不宜多,一般是在区域化鉴定试验取得成果的基础上,选择比较优良的品种1～3个,与当地现有推广品种进行对比,每个品种至少1亩地以上(最好设有重复).试区应为3比1至5比1长方形.
Variety is the object of crop cultivation, the production of the best selection of varieties through the regionalization of the identification test and variety production test is suitable for the natural conditions and the level of cultivation in the region if the conditions of the agricultural team to participate in variety production test, but also more help In the demonstration and popularization of fine breeds, the number of breeds selected for breed production test should not be more than that for breed breeds. Generally, 1 to 3 breeds of superior breeds are selected on the basis of the results of regionalized appraisal test, compared with the existing popularized breeds in the region, Each species of at least 1 acres above the ground (preferably with a repeat.) The test area should be 3 to 1 to 5 to 1 rectangular.