An economic analysis of clubmoss control with mechanical treatments in Saskatchewan rangeland, Canada In Vitro and ex Vitro Rooting Technology Comparison of Acacia mangium×A.auriculiformis hybrids Effect of alfalfa hay substituting for part of the concentrate, on the production of cows and economic profit An Economic Analysis of the Interplanting of Calamus simplicifolius with Gmelina arborea Plantation An Investigation on the Germplasm Resources of Chinese Torreyain Pan‘an County of Zhejiang Province Study on Cultivation of a High-Yielding Masson Pine Pulp Stand and Analysis on Its Economic Benefits Effects of the Afforestation Models along the Beijing-Jiulong Railway on Aerodynamics in Daxing District of Beijing Studies on dynamic economic botany of Hong KongⅢ.study on fruit market in Hong Kong(1993-2009) Morphological Variations of Eremochloa Ophiuroides and its Morphological Types Evaluation of the Ecosystem Services of the Inner Mongolia Steppe Discovery of natural triploid variations of Dioscorea zingiberensis and its evaluation of main economic qualities STUDIES ON YIELD LOSS AND DYNAMIC ECONOMIC THRESHOLD OF SHEATH BLIGHT OF HYBRID EARLY RICE The economic injury level caused by Tetranychus urticae at apple orchard Assessment of eco-economic system sustainable development of Liaoning Province based on emergy analysis. Methods for the assessment of organic compounds biodegradability: A review. ECO-ECONOMIC PERID THRESHOLD FOR CONTROLLING BARNYARDGRASS (ECHINOCHLOA CRUS-GALL L ) IN SUMMER SOYBEANS A STUDY ON THE OPTIMIZED MANAGEMENT OF CHINESE PINE CATERPILLAR (DENDROLIMIUS TABULAEFORMIS) Application of different release duration controlled-release coated urea combined with conventional urea on summer maize Competition of Beckmannia syzigachne with transplanted rape and its economic control threshold Studies on the damage and economic threshold of weeds to winter wheat STUDIES ON THE WHEAT YIELD LOSS CAUSED BY WEED EUPHORBIA HELIOSCOPIA AND ITS ECONOMIC THRESHOLD STUDY ON THE OCCURRENCES AND CONTROL TECHNIQUES OF STRIPED FIELD MOUSE IN FIELD STUDY ON THE ECONOMIC THRESHOLD AND CONTROL FOR BROADLEAF WEEDS IN WHEAT FIELD SOME STUDIES ON THE YIELD LOSSES AND CONTROLLING THRESHOLD OF SHEATH BLIGHT OF WINTER WHEAT IN SHANDONG PROVINCE Study on the Initial Planting Density of Industrial Timber Stands of Slash Pine and Loblolly Pine The Effects of Compensation and Extra Compensation of Larix olgensis for Needle Pests Injury Econom ic Ana lysis of Euca lypt Planta tion with D ifferent In itia l Spac ing Evaluation of Economic Benefit of the Acacia mangium Plantation\n——A Case Study in Nanning, Guangxi Evaluation of Sustainability Based on Emergy Analysis in Ecological Economic System of Grassland Industry Experiment on Stand Density of Acacia mearnsii Plantation The Economic Evaluation of Cultivation of the Fast-Growing and High-Yielding Chinese Fir Plantation Analysis on Technical and Economic Effect of Main Forestry Measures Adopted in Phyllostachys pubescens Grove Analysis on the Industrial Structure Evolutions and Its Differences of the Forest Economic Growth from 1995 to 2011 of 13 Provinces (Autonomous Regions) in the Southern Collective Forest Region of China Effects of different mulching methods on physiological characteristics and economic traits in flue-cured tobacco Functional orientation of eco-economic regions in the Loess Plateau Prospects for Chinese Botanical GardensFoundation items: Supported by Chinese Biodiversity Conservation and Green Development Foundation A Study on the Index of Prevention and Control of Ceracris kiangsu Tsai STUDIES ON THE WILD ECONOMIC PLANT RESOURCES AND ITS UTILIZATION IN GANSUHEXI Utilizable value of wild economic plant resource-acorn kernel Ecosystem services and their economic valuation Leaf area index and biomass productivity of mid and short rotation poplar plantations for pulp timber STUDIES ON THE DAMAGE AND ECONOMIC THRESHOLD OF WHITE-BACKED PLANTHOPPER TO PADDY RICE STUDIES ON THE DEGREE OF INJURY BY ZOKER AND ECONOMIC THRESHOLD OF ITS CONTROL STUDY ON THE OPTIMUM SPRAYING TIME AND ECONOMIC THRESHOLD OF SOYBEAN APHID STUDIES ON THE MIXED DAMAGE AND ECONOMIC THRESHOLD OF SHEATH BLIGHT AND STEM BORER TO HYBRID RICE The Effect of Silvicultural Management on the Production of Moso Bamboo Plantations for Pulp-making Study on the Effect of Fertilization on Eucalyptus globulus Plantation in Yunnan Study on Economic Evaluation of Coppice Forest of Black Locust Growing on Mountainous Region in Central-south Area, Shandong Province Study on the Plantation of White Wax Effects ofFloor-covering Material on the Shoot Production in the Stands of Phylostachs praecox Chu et Chao Study on the Seedbed Density of Growing Slash Pine Seedling Establishment of Economic Volume Table(Rate)of Chinese Fir Pole-timber Early Growth Performance of Cephalotaxus mannii and Its Cultiuative Prospect PRELIMINARY STUDY ON THE ECOLOGICAL FORESTRY A COMPARATIVE ANALYSIS ON PLANTING RESULT AND ECONOMIC BENEFIT OF PINUS MASSONIANA LAMB.FROM DIFFERENT PROVENANCE TECHNIQUSE AND EFFECTS OF APPLING THE RARE-EARTH TO FORESTY STUDIES AND DISCUSSIONS ON THE FOREST FIRE MANAGEMENT ECONOMICS A STUDY ON THE ECONOMIC FOREST PATTERN OF DOUBLE TERRACED FIELD WITH SLOPE INTERVAL IN THE CALCAREOUS ROCK AREA OF TAIHANG MOUNTAIN EFFECTS OF URBANIZATION ON THE CONCENTRATIONS OF HEAVY METALS IN DECIDUOUS FOREST FLOOR IN STUDY CASE OF NEW YORK CITY STUDY ON THE COMPREHENSIVE BENEFITS OF HARVESTING AND CULTIVATING OPERATION SYSTEMS EFFECTS OF PLANTING DENSITY ON GROWTH, PAPERMAKING CHARACTERISTICS OF WOOD AND ECONOMIC BENEFIT OF MASSON PINE STANDS STUDY ON PRODUCTIVITY AND ECOLOGIC BENEFITS OF YOUNG GROWTH CHINESE FIR PLANTATIONS SYSTEMS IN DIFFERENT DENSITIES THE CONFIRMATION OF HARVESTING PERIOD AND THE ANALYSIS OF ECONOMIC EFFECT ON THE PRODUCTIVE AND HIGH-QUALITY CHINESE FIR PLANTATION STUDY ON THE ECOLOGICAL AND ECONOMICAL BENEFITS OF CASUARINA EQUISETIFOLIA SHELTERBELT IN THE COAST OF FUJIAN A STUDY ON ECONOMIC THRESHOLD MODEL OF PHYLLOSTACHYS PUBESCENS ECOSYSTEM Thinning Density Effects on Masson Pine Plantation Ecological agriculture in Guangxi, China:its history, effectiveness, challenges and solutions The history, status quo, ecological problems and countermeasures of Eucalyptus plantations in Guangxi Analysis of relative carrying capacity of resources in Tarim River Basin in Xinjiang Measurement and analysis of asymmetry between WTP and WTA values in the evaluation of environmental value: the case of coastal environmental protection in the Guangxi Beibu Gulf Economic Zone Effects of density,phosphorous,and nitrogen fertilizers on yield and quality of Andrographis paniculata Yield response and economic analysis of fertilizer application in maize    grown in North China The appropriate mixing ratio of control-released urea and common urea in winter wheat production Effect of optimum fertilization on nitrogen use efficiency and nitrateleaching in the greenhouses Effects of different N, P and K treatments on yield, nutrient accumulation and utilization and economic benefit of cassava Effect of dripper fertigation on tomato yield and apparent N balance in a greenhouse Effect of fertilizing patterns on grain yield, nutrient uptake and economical efficiency of double-season rice The Effects of Nitrogen Fertilizer and Phosphate Fertilizer Rates on the Yield, Nutrient uptake and Quality of Leymus Chinensis Variation of standard farming system in agro-pastoral transition zones of northern and southern foothills of Yinshan Mountains in recent thirty years Study on diagnosis method for agro-eco-economic system—A case study fromDaye City, Hubei Province