海量图书期刊资源，随时随地畅享阅读乐趣
Influence of Four Ground Cover Vegetation Types Used in North Carolina Fraser Fir Christmas Tree Plantations on Abundance and Species Composition of Phytoseiid Mites (Acari: Phytoseiidae)Williams, Logan; Hain, Fred P.; Orr, David · Journal of Entomological Science · 2011
Nitrogen cycling and proton fluxes in an acid forest soilE. D. R. Brierley; P. J. A. Shaw; M. Wood · 2001