陕北丘陵沟壑区苹果优质丰产栽培体系研究

园址选择、优良品种搭配、坡地改良、合理施肥与抗旱栽培、合理修剪等是陕北丘陵沟壑区苹果优质丰产的保障 ,且同时论述了各项措施的操作依据和方法

The orchard plot selection, good varieties arrangement, sloping fields amelioration, adequate fertilization, drought resistant cultivation, rational prune and others are the safeguard of apple to have top quality and high production in loess hilly gully region of northern Shaanxi province. The operational theory and method of these measures are expounded.