TY - BOOK AU - Jasbir Singh AU - Thind, H.S., ad. TI - Fine-root biomass and nitrogen dynamics in poplar (Populus deltoides) plantation in response to different regimes of nitrogen, irrigation and intercropping U1 - Th 634.956525 21st ed. KW - Forest litter KW - Forest plantations KW - Forest soils KW - Forests and forestry KW - Nitrogen fertilizers KW - Nitrogen fixation KW - Poplar KW - Thesis N1 - Thesis (M.Sc.)-Punjab Agricultural University, Ludhiana, 1999 ER -