Research on Investment Composition and Economic Benefit of the Chinese Fir Seed Orchard in Qingyuang County,Zhejiang Province Study on the Benefit and Risk of the Investment on the Commodity Forest Management Based on Forestry Policies Interaction Relationship between Central Forestry Investment and Forestry Economic Growth in China Influence of Bagging on the Structure of Apple Production Investment as Well as Its Resultant Problem of Shading Influence of Bagging on the Structure of Apple Production Investment as Well as Its Resultant Problem of Shading Investment Behavior of Contract Household Participating in NationalForest Property Right System Reform and Its Influence Factors Individual Size and Resource Allocation in Perennial Gentiana Pollen-Ovule Ratio and Gamete Investment in Pedicularis (Orobanchaceae) Transnational land use and its potential environmental consequence Biomass allocation strategies within a leaf: Implication for leaf size optimization Study on economic benefit analyzing methods for precision agriculture Studies on reproductive allocation, floral size and its trade-off with floral number of annual Gentiana Increment of investment on environment protection is the key point of compensation for ecological debt Investment and coordination problems of high-strength eco-environment reconstruction in Yangou Basin of loess hilly region Time-series analysis of grain production characteristics in Guangdong Province from 1949 to 2006 Pollination Biology and Reproductive Allocation of Chirita gueilinensis(Gesneriaceae) Analysis on Asymmetry of Horizontal Lateral Root Diameterin Clonal Ramets of Rhus typhina