Zobrazeno 1 - 4
of 4
pro vyhledávání: '"J. C. Drabble"'
Autor:
A. L. Darwent, Y. K. Soon, George W. Clayton, W. A. Rice, J. C. Drabble, P. F. Mills, John T. O'Donovan
Publikováno v:
Canadian Journal of Plant Science. 83:171-180
A study was conducted on the Agriculture and Agri-Food Canada Research Farm, Beaverlodge, Alberta, to compare nine cropping systems in relation to productivity and wild oat (Avena fatua L.) control. The nine cropping systems consisted of three crop r
Publikováno v:
Weed Technology. 10:923-930
A field study was conducted from 1987 to 1992 to determine the effectiveness of several treatments consisting of combinations of glyphosate and/or quizalofop with tillage to control quackgrass in legume plowdown and continuous annual crop rotations.
Publikováno v:
Canadian Journal of Plant Science. 67:755-763
The effect of row spacing on seed and hay yields of 11 perennial grass species, including crested wheatgrass (Agropyron cristatum L.), intermediate wheatgrass (A. intermedium (Host.) Beauv.), a northern biotype of bromegrass (Bromus inermis Leyss.),
Autor:
J. V. Christensen, J. C. Drabble
Publikováno v:
Canadian Journal of Plant Science. 64:1011-1013
The effect of row spacing and seeding rate on the yield of Brassica campestris L. and B. napus L. was studied for 2 yr in northwest Alberta. Rows were spaced 7.5, 15 and 23 cm apart with seeding rates of 7 and 14 kg/ha at each spacing. Decreasing row