关键词: 沙漠边缘地区, 苹果幼树, 技术措施

Abstract: The soil moisture in late July was set at about 50% of field capacity through adjusting and manipulating tests of different periods and times of watering and soil managements for two-year-old apple trees in desert margin region, so as to promote root the gronth dowmward and passing properly growth of shoots, and let the plants get early dormant preparation. The soil temperature increased and thickness of freezed layer decreased through winter watering in early October and soil plough in late October. Therefore the persentage of plants overwintering normally increased from only 52.4% for CK to 97.1% for treatment and the difference between treatment and CK is very significant.

Key words: Desert margin region, Yong apple tree, Technical measure