换优 核桃 标准查询与下载
共找到 150 条与 换优 核桃 相关的标准，共 10 页
Walnut high-quality replacement technical regulations
本规程适用于昭通市境内及相似区域性气候条件下的核桃低产园高桩换优
Walnut High Pile Replacement Technical Regulations
本标准适用于产量低、品质差的核桃园改造
Walnut high-quality replacement technical regulations
Longnan City Walnut high-quality replacement technical regulations
Walnut—Part 5:Technology standard for walnut improving
核桃高接换优树的选择、接穗采集、贮藏，嫁接方法，接后管理等相关技术要求
Walnut Cultivation and Management Technical Regulations
Shandong Province Walnut Industry Construction Specification Part 5: High-quality walnut replacement technology
Walnut low-yielding forest transformation technology with high replacement and excellent performance
本标准规定了核桃低产林改造中高接换优所选择的嫁接品种、嫁接方式和嫁接时间。 本标准适用于黄河两岸和湟水流域核桃栽植区，品种原因导致低产劣质核桃树（产量低于GB 7907中规定的核桃二类地区产量和核桃坚果质量3级以下）的高接换优工作
Improvement technology of low-yield walnut forest
High-quality thin-skinned walnuts
Walnut Fine Variety
Technical regulations for selection of excellent walnut trees
Technical regulations for high-quality walnut cultivation
本标准由河北省林业局提出。 本标准起草单位:河北省林业科学院 本标准主要起草人:王福宗 毛向红 赵秀平 赵亚辉本标准规定了核桃苗圃地选择、苗木培育、嫁接育苗、苗木出圃等。 本标准适用于河北省境内的核桃(Juglans regia)适宜栽培区域
High-quality walnut production technical regulations
High-quality hemp walnut production technical regulations
