Comparative Antioxidant Activities of Manilkara zapodilla,Chrysophyllum cainto and Pouteria sapota;

Water consumption variation and growth of apple trees under drip irrigation in Shiyanghe river basin of Gansu province;

Discussion about research methods of apple tree root water uptake;

Annual change of nitrogen content and accumulation in apple tree;

Effect of shading fruit by bagging on the dry matter production on apple trees from dwarfing rootstock;

Taking apple trees as the visual subject and using human electroencephalograms as the evaluating index,the effects of visual activities of viewing flowers and leaves for apple trees on human electroencephalograms was studied in suburban orchard when apple trees were blossoming.

The daily water use and crop factor w ere calculated and analyzed, and the calculated annual water use of apple trees were between 590 mm and 610 mm, the annually averaged crop factors were 0 61～0 62 for full irrigation.

Effects of Rare Earth Elements to Fruit Calcium Content of Malus baccata(L.) Borkh and Red Fuji Apple Trees;