ICS65.020.01 CCSB05DB61 陕西省地方标准 DB61/T1669—2023 苹果化肥减施技术规范 TechnicalSpecificationforChemicalFertilizerReductioninAppleProduction 2023-05-25发布 2023-06-25实施 陕西省市场监督管理局发布 DB61/T1669—2023 I目  次 前  言.............................................................................................................................................................II 1范围.................................................................................................................................................................1 2规范性引用文件.............................................................................................................................................1 3术语和定义.....................................................................................................................................................1 4土壤.................................................................................................................................................................2 5土壤养分测定.................................................................................................................................................2 6化肥减施技术.................................................................................................................................................2 7施肥方式.........................................................................................................................................................3 8肥料用量计算.................................................................................................................................................3 9证实方法.........................................................................................................................................................3 附录A（规范性）推荐化肥施用量................................................................................................................4