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MAXIMAL COVERING MODEL ON DIVERSITY OF FOREST TYPE AND ONE AVAILABLE ALGORITHM Effects of the covering behavior on food consumption, growth and gonad traits of the sea urchin Glyptocidaris crenularis Effects of different ecological environments in the laboratory on the covering behavior of the sea urchin Glyptocidaris crenularis Effects of different winter covering crops cultivation on methane (CH4) and nitrous oxide (N2O) emission fluxes from double-cropping paddy field Effects of ground coverings on radiant energy distribution in the canopy of Eucommia ulmoides Oliv. coppice forest Effect of drought stress and water recovering on physiological characteristics of Sinocalycanthus chinensis seedlings Studies on cold resistance of grape varieties rootstocks and soil coverings in North Shaanxi Effects of plastic film covering on dropping ground temperature at the full-growing stages of cotton, maize and soybean Prediction of total nitrogen and alkali hydrolysable nitrogen content in loess using hyperspectral data based on correlation analysis and partial least squares regression. EFFECTS OF COVERING WITH PLASTIC FILM ON DECOMPOSITION OF ORGANIC MATERIALS AND CHARACTERISTICS OF SOIL ORGANIC MATTER The Influence of Field Covering with Plastic Film on Trichosanthes kirilowii Maxim. Yield Water and Heat Effect of Different Ground Coverings in Zanthoxylum bungeanum Plantation Effects of long\|term fertilization and plastic film covering on some soil fertility and microbial properties Effects of Different Treatments on Soil Microenvironment and Germination\nRate of Gleditsia sinensis Afforested by Direct Seeding Research on Change Low Output Forest of C itrus changshanhuyouin Red So il Hilly of J inqu Ba sin Effects ofFloor-covering Material on the Shoot Production in the Stands of Phylostachs praecox Chu et Chao Effect of Covering Soil on the Germination Rate of Glycyrrhiza uralensis Fischer. Film-covering modes of drought prevention for dry land maize Effect of different covering methods on nitrogen fertilizer use efficiency in dryland rice Regulation of Film/Gauze Covering on Micro-environmental Factors in Pineapple Plantation and Its Effects on Growth and Quality Properties of Pineapple Dynamic changes of grazing sheep body gains and ruminal fermentation parameters on sandy recovering grassland Influence of Different Covering Treatments on Contents of Bioactive Substance in the Leaves of Acer truncatum Control effect of different covering patterns on indigenous nutrient release from sediment. Effects of different uncovering plastic film periods and nitrogen rates on physiology, growth, yield and water use efficiency of summer maize in Guanzhong Region, Shaanxi Provice STUDY ON THE TECHNIQUE EFFECTS OF WATER-SAVING AND INFILTRATING ROOTS IRRIGATION OF FRUIT TREE IN PEASANTS′ COURTYARD IN ARID AND SEMI-ARID LOESS PLATEAU