EFFECTS OF LONG-TERM LOCATED FERTILIZATION ON SOIL ENZYMATIC ACTIVITIES FOR WHEAT-MAIZE INTERCROPPING IN IRRIGATED DESERT SOILS Effect of Oxytetraeyeline (OTC) on the activities of enzyme and microbial community metabolic profiles in composting Effects of bio-organic fertilizer and fungicide application on continuous cropping obstacles of cut chrysanthemum. Effects of simulated elevated atmospheric O3 concentration on soil enzyme activity in winter wheat rhizospheric Effects of different fertilizer treatments on ecological characteristics of microorganism in chemical fertilizer omission paddy soil