行业标准：DB37T 3976-2020 苹果矮化自根砧苗木繁育技术规程.pdf

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1、ICS65.020.20B05DB37山东省地方标准DB37/T3976—2020苹果矮化自根砧苗木繁育技术规程TechnicalSpecificationofSeedlingPropagationforDwarfRootstockApple2020-06-08发布2020-07-08实施山东省市场监督管理局发布DB37/T3976—2020目次前言....................................................................................................................

2、.................................................II1范围.................................................................................................................................................................12规范性引用文件....................................................................

3、.........................................................................13术语和定义.....................................................................................................................................................13.1矮化自根砧......................................................

4、.......................................................................................13.2矮化自根砧苹果苗.................................................................................................................................14圃地建设..........................................................

5、...............................................................................................14.1圃地选择.................................................................................................................................................14.2圃地规划....................................

6、.............................................................................................................14.3圃地整理.................................................................................................................................................15砧木选择与繁育.....................

7、........................................................................................................................25.1砧木选择........................................................................................................................