Rîșca, Ioan-Marian; Fărtăiș, Liviu-Mihai
("Ion Ionescu de la Brad" University of Agricultural Sciences and Veterinary Medicine, Iași, 2009-06-06)
The Norway spruce seed
germination is often weak (in some years,
the germination rate is less than 50%). It is
already known that some physical agents
had a simulative influence on the
germination process. For improving ...