leaf nutrient concentration 第1页

Effects of Exponential Nitrogen Loading on Growth and Foliar Nutrient Status of Betula alnoides Seedlings Anatomical and nutrient features of plant leaves in Yuanjiang savanna valley Nutrient upkate of Aquilaria malaccensis and Aquilaria sinensis seedlings in response to different exponential regimes Water Supply Changes N and P Conservation in a Perennial Grass Leymus chinensis