NOVELTY - Cultivating apple, comprises choosing deep soil, convenient for irrigating sandy loam soil, deep plowing soil, then adding chicken manure, urea, nano-iron slag powder, pomegranate rind powder, attapulgite, charcoal powder and modified crop straw; (ii) transplanting healthy and strong plant of apple seedling in a field, adopting spring planting method; watering, applying fertilizer when drought signs are observed, then eliminating weeds, and preserving cultivating soil moisture; retaining main branches of apple tree, cutting the external part; and controlling major diseases harming tree leaves.    USE - The method is useful for cultivating apple (claimed).    ADVANTAGE - The method changes waste into valuable products, is economical, reduces air pollution. The modified crop straw has adsorbent stable property, good absorbing ability of heavy metal ion and organic dye substances, and good socio-economic benefits.    DETAILED DESCRIPTION - Cultivating apple, comprises (i) choosing deep soil, convenient for irrigating sandy loam soil, deep plowing soil to 30-35 cm, then adding 170-190 kg chicken manure, 50-60 kg urea, 4-5 kg nano-iron slag powder, 20-30 kg pomegranate rind powder, 80-90 kg attapulgite, 30-40 kg charcoal powder and 80-90 kg modified crop straw; (ii) transplanting healthy and strong plant of apple seedling in a field, adopting spring planting method, where the planting density is 110-220 plants/acre; (iii) watering on a timely basis, applying fertilizer when drought signs are observed, where the fertilizer includes 120-150 kg urea, 60-70 kg manure, 40-45 kg rapeseed meal, 20-30 kg peanut meal, 40-50 kg seaweed powder, 80-90 kg zeolite powder, 10-12 kg zinc sulfate heptahydrate and 20-25 kg sweet potato residue, then eliminating weeds on a timely basis, and preserving cultivating soil moisture; (iv) retaining 7-9 main branches of apple tree, cutting the external part, removing the bud during growth stage, thinning and flourishing the bud, and topping 3-5 lower left secondary branches; and (v) controlling major diseases harming the tree leaves e.g. leaf spot, spider mite and small apple leaf roller with 800-1000 times of 50% carbendazim or 50% thiophanate control, also using 1:(2-3):240 times of Bordeaux mixture control or uisng 2000-3000 times of 20% clofentezin or 10% kesheng full (sic).