EFFECT OF HARVEST CYCLE AND SPACING ON PRODUCTIVITY OF BLACK COTTONWOOD IN INTENSIVE CULTURE

[1] DAWSON DH, 1976, NC122 USDA FOR SERV

[2] HARRINGTON CA, 1979, 1979 P SOL 79 NW SEA, P363

[3] HEILMAN P E, 1972, Canadian Journal of Forest Research, V2, P456, DOI 10.1139/x72-069

[4] HERRICK A. M., 1967, Agric. Sci. Rev., V5, P8

[5] LAUNDRIE JF, 1972, FPL186 FOR PROD LAB

[6] NEENAN M, 1979, FOREST SCI, V25, P455

[7] STEINBECK K, 1976, APPL POLYM S, V28, P393

[8] ZSUFFA L, 1977, FOR CHRON, V53, P153

[1] DAWSON DH, 1976, NC122 USDA FOR SERV

[2] HARRINGTON CA, 1979, 1979 P SOL 79 NW SEA, P363

[3] HEILMAN P E, 1972, Canadian Journal of Forest Research, V2, P456, DOI 10.1139/x72-069

[4] HERRICK A. M., 1967, Agric. Sci. Rev., V5, P8

[5] LAUNDRIE JF, 1972, FPL186 FOR PROD LAB

[6] NEENAN M, 1979, FOREST SCI, V25, P455

[7] STEINBECK K, 1976, APPL POLYM S, V28, P393

[8] ZSUFFA L, 1977, FOR CHRON, V53, P153