共 17 条
[1]
BERNIER G, 1981, PHYSL FLOWERING, V1
[2]
BLONDON F, 1972, PHYTOTRONIQUE PROSPE, P135
[3]
BOMMER D., 1959, Zeitschrift fur Acker- und Pflanzenbau, V109, P95
[4]
COOPER J. P., 1964, JOUR BRIT GRASSLAND SOC, V19, P6
[5]
EVANS L. T., 1960, JOUR AGRIC SCI, V54, P410, DOI 10.1017/S0021859600021365
[6]
Evans L.T., 1964, GRASSES GRASSLANDS, P126
[7]
Habjoerg A., 1979, Meldinger fra Norges Landbrukshoegskole, V58, P1
[8]
Heide O. M., 1985, Plant production in the north, P1