Growth type 第1页

A Preliminary Study on the Relation of Sucrose Content to Superior Growth Potential in Seedlings of Loblolly and Slash Pine Research on the Tending and Improvement of Secondary Evergreen Broadleaved Forests Characterization of Nitrogen Uptake and Utilization in Rice under Different Planting Methods Differences and Correlations in Grain Yield, N Uptake and Utilization Between Medium-Maturing Indica and Japonica Rice under Different N Fertilizer Levels THE EVOLVING PATTERN OF TREE SPECIES COMPOSITION．NUMBER AND VOLUME PROPORTIONS lN EVERGREEN BROAD-LEAVED FORESTS Preliminary Study on Parameters of Precise and Quantitative Nitrogen Application in Rice Varieties with Different Growth Period Durations