THE SELECTION OF EXCELLENT BROAD-LEAVED TIMBER SPECIES IN FUJIAN PROVINCE Study on Fertilization Technology of Fast-growing and High-yielding Poplar Plantation Ⅱ. After Manuring Experiment The Economic Evaluation of Cultivation of the Fast-Growing and High-Yielding Chinese Fir Plantation Benefit Analysis on Intercropping in Fast-growing and High-yielding Poplar Plantation Study on Fertilization Technique of Fast-growing and High-yielding Poplar PlantationⅠ.Basal Manure Experiment