Biological and ecological effect of interplanting tomato/garlic in the facility: influence of interplanting dates on growth, development and yield of different Garlic Cultivars Effects of N and K on yield,output values,ratio of mid-high grade leaves of flue-cured tobacco Dynamics of cropland resources value in fragile ecological zones of the loess hilly-gully region: A case study of Shanghuang Experiment Area Spatialization and analysis of agricultural output value in Xinjiang Effect of plant density on population yield and economic output value in maize-soybean intercropping. Study on Fertilization Practice for High Yield Phyllostachys pubescens Grove Research on strategic agricultural division and layout of the Huang-huai-hai Plain The disease resistant assessment of transgenic tobacco in field