Czapowskyj, M.m. Site preparation, fertilization, and 10-year yields of hybrid poplar on a clearcut forest site in eastern Maine, U.S.A. / M.m. Czapowskyj, L.o. Safford. -- 4 obr., 2 tab., lit. 21

In New Forests. -- Roč. 7, č. 4 (1993), s. 331-344

1. USA

I. Safford, L.o.
II. New Forests. -- Roč. 7, č. 4 (1993), s. 331-344

574.36+631.816+630*114+631.415+630*114.2
ZV001