黄河故道区苹果早期“双高”栽培技术１选用优良品种、健壮苗木苹果的品种不同，其结果早晚、产量高低有显著的不同。如选用早熟品种，可以选辽状、藤牧１号，配之以安娜或早捷；如选用晚熟品种，可选用短枝红富士、王林、乔纳金，配之以首红等元帅系第４代、第５代品种，... Early Apple “double high” cultivation techniques in the old course of the Yellow River 1 Selection of fine varieties, robust nursery apple varieties are different, the results sooner or later, the yield was significantly different. Such as the choice of precocious varieties, you can choose Liao shape, rattan grazing No. 1, with Anna or early; such as the choice of late maturing varieties, the choice of spruce Red Fuji, Wang Lin, Jonathan, with the first red and other marshal Department No. 4th generation, 5th generation breed, ...