Germination of the red spruce

[11] CARY NL, 1922, B USDA, V1060

[12] CHITTENDEN AK, 1905, B USDA, V55

[13] Mechanics of dormancy in seeds [J]. AMERICAN JOURNAL OF BOTANY, 1916, 3 (03) : 99 - 120

[14] CROCKER W, 1925, J AM SOC AGRON, V17, P696

[15] DILLER JD, 1930, THESIS YALE U

[16] DUSABLON L, 1911, TRAITE PHYSL VEGETAB

[17] FAHRENBACH JH, 1910, THESIS YALE FOREST S

[18] GRAVES HS, 1899, B USDA, V26

[19] HAASIS FW, 1928, PLANT PHYSIOL, V3, P367

[20] Premature germination of forest tree seed during natural storage in duff [J]. ECOLOGY, 1932, 13 : 311 - 312

[11] CARY NL, 1922, B USDA, V1060

[12] CHITTENDEN AK, 1905, B USDA, V55

[13] Mechanics of dormancy in seeds [J]. AMERICAN JOURNAL OF BOTANY, 1916, 3 (03) : 99 - 120

[14] CROCKER W, 1925, J AM SOC AGRON, V17, P696

[15] DILLER JD, 1930, THESIS YALE U

[16] DUSABLON L, 1911, TRAITE PHYSL VEGETAB

[17] FAHRENBACH JH, 1910, THESIS YALE FOREST S

[18] GRAVES HS, 1899, B USDA, V26

[19] HAASIS FW, 1928, PLANT PHYSIOL, V3, P367

[20] Premature germination of forest tree seed during natural storage in duff [J]. ECOLOGY, 1932, 13 : 311 - 312