Effect of nutrient status on the kinetics of cyanophage PP infection in Phormidium. The combined effects of elevated CO2 and elevated temperature on proliferation of cyanophage PP The bio-cycle patterns of nutrient elements and stand biomass in forest communities in Hilly Loess Regions Dynamics of nutrient elements in different types of forests in depressions between karst hills Molecular mechanism on carbon dioxide assimilation of autotrophic microorganism and carbon translocation in agricultural soils BALANCE AND ADJUSTMENT OF ZINC IN PADDY FIELD ECOSYSTEM