weeds 第1页

A preliminary report on the ecological performance of Desmodium heterocarpum DC vat．strigosum Van Meeuwen Chemical mechanism of exotic weed invasion DCMU-ENHANCED FLUORESCENCE RATIO AND ITS RELATION TO GROWTH RATE IN VARIOUS SEAWEEDS AND RED TIDE SPECIES Quantitative survey on spring exotic weeds and the niche characteristics of dominant species in Nanjing Allelopathic Effects of Amaranthus retroflexus L. And Its Risk Assessment Biological activities of eight herbicides against four grass weeds of wheat fields Influence of different weed populations on cotton yield in saline and alkaline land in Shandong Study of life-history strategy of farmland weeds in semi-arid areas A study on crop-weed allelopathy and its relationships based on niche theory STUDIES ON THE WHEAT WEEDS COMMUNITIES IN WHEAT FIELDS IN JINGQU BASIN OF ZHEJIANG PROVINCE Ecological analysis of the advantages of a maize/garlic-sprouts intercropping system Effects of invasive weeds on relative grasshopper abundance in alpine steppe in the Qilian Mountains The species and habitat characteristics of exotic weeds in Hangzhou Researches on weed niche in turf Effects of enhanced UV-B radiation on population quantity dynamics of weeds,soil macroanimals and wheat aphids in the wheat field ecosystem Interspecific Relationships among the Dominant Weeds Species of Tobacco Field in Guizhou Province Effects of different soil tillage systems on weed biodiversity and wheat yield in winter wheat (Triticum aestivum L.) field The Allelopathy of Yellow Sweet Clover on Weeds The breeding system of three species of genus Ligularia in the east of Qinghai-Tibet Plateau Allelopathy of wheat straw aqueous extract on five kinds of plants Effects of long-term organic and inorganic fertilizer combined application on weed growth dynamic in paddy field Effect of Weed Fermentation Matters on Growth and Vesicular􀀁ArbuscularMycorrhizal Formation of Trifoliate Orange ( Poncirus trif oliata Raf. ) Seedlings Effect of Weed Fermentation Matters on Growth and Vesicular􀀁ArbuscularMycorrhizal Formation of Trifoliate Orange ( Poncirus trif oliata Raf. ) Seedlings The Agri-pastoral Compound Ecosystem of Southeast Tibet-Analyses of Biodiversity and Economic Benefits of Raising Geese in Cornfields Poisonous Weeds in Chinese Grassland and Control Technology Studies progresses of sexual reproductive ecology in seaweeds Classical biological control of exotic weeds DNA C-values of 138 herbaceous species and their biological significance Chemical compositions and allelopathic potential of volatile oil from Sorghum halepense Biological activities of eight herbicides to three species of fenoxaprop- P-resistant weeds in wheat fields Summer and Autumn Meteorological Effects on the Emergence of Turf Weeds in the Nanjing Area Eco-Economic Threshold Period for Controlling Weeds in Summer Maize Field of Huang-Huai-Hai Region Eco-economic Period Threshold for Controlling Weeds in Summer Soybeans in Beijing Region Study on the Seasonal Dynamics Model of Soil Microbial Growth on the Leymus chinensis Meadow in the Northeast of China Studies on Some Structural Characteristics of a Community of Grassland of Elymus sibiricus Planted in Different Years Isolation of a germination stimulant for striga hermonthicu (Del)Benth from root culture of Menispermum dauricum DC Application of allelopathy to weeds contro1 Vegetation and soil characteristic of three forage legume pastures on the Loess Plateau Seasonal Variations and Cluster Analysis of the Turf Weed Communities in Shenzhen, China Interference of Different Morphological Types and Allelopathic Rice Materials with Three Principal Paddy Weeds Dynamics and combined injuries of main pest species in rice cropping zones of Yunnan, Southwest China. Non-target impacts of weed biological control agents on native community and safeguard approaches Biological activity of eight herbicides to eight species of major grasses in wheat fields Molecular basis of sensitivity difference in wheat weeds to tribenuron-methyl Allelopathy of Trifolium repens L. on Abutilon theophrasti Medic. and Echinochloa crusgalli L. Weed species and their chemical control in Paspalum vaginatum cv.
“Salam” at the Kingswan Countryside Club Study on alien weeds of the West-lake scenic spot in Hangzhou Niche characteristic of exotic weeds in suburb and the impacts on biodiversity