6

Variations in levels of clonality amongPopulus nigraL. stands of different ages

Year:
2004
Language:
english
File:
PDF, 325 KB
english, 2004
9

Cultivar and Rhizobium strain effects on the symbiotic performance of pea (Pisum sativum)

Year:
1983
Language:
english
File:
PDF, 4.19 MB
english, 1983