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矮砧苹果不同品种２年生苗定植生长结果比较于１９９１年３月在下河建立乡园艺场的２ｈｍ２（公顷）地，建立以怀来海棠为基砧，以Ｍ２６为中间砧红富士、秦冠、华冠、新红星、首红、北斗等６个主栽品种的苹果园。建园时定植的是２年生嫁接苗，栽前深翻改土，每６６６．７...
Comparison of Results of Two-year-old Seedlings of Different Dwarf Apple Trees in 2hm2 (hectare) for Establishing Rural Horticultural Field in Xiahe River in March 1991 Establishment of Humans Begonia Rootstock with M26 as Red Leaf Fuji, Qin Guan, Arima, New Red Star, the first red, Beidou and other 6 varieties of apple orchards. When the garden is planted 2-year-old grafted seedlings, planted before the deep change soil, every 666.7 ...