Effects of Water and Fertilizer Coupling on Nitrogen Metabolism of Cucumber Under Soilless Culture in Greenhouse Effects of Water and Fertilizer Coupling on Nitrogen Metabolism of Cucumber Under Soilless Culture in Greenhouse WATER AND FERTILIZER COUPLING ON SOIL WATER DYNAMICS AND YIELD IN INTERCROPPED WHEAT AND MAIZE Effects of Water and Fertilizer Coupling under Drip Fertirrigation Covered with Film Sheet on Tomato Growth in Solar Greenhouse Effects of water and fertilizer on growth and photosynthetic pigments of Puelia sinense Effects of water and fertilizer coupling on yield and water use efficiency in greenhouse potted cucumber