000 02111nam##2200277za#4500
0019.613799
003CaOODSP
00520200327131839
007ta
008150406|1997||||xxc|||||     f|0| 0 eng|d
020 |a0-662-25765-0
040 |aCaOODSP|beng
043 |an-cn---
0861 |aA54-10/97-1E
1101 |aCanada. |bAgriculture and Agri-Food Canada. |bResearch Branch.
24510|aManitoba Weed Survey: Comparing zero and conventional tillage crop production systems, 1994 / |cby A. Gordon Thomas et al. Issued jointly by the Soils and Crops Branch, Manitoba Agriculture, the Manitoba Weed Supervisors Association and the Manitoba-North Dakota Zero Till Association.
260 |aCarman - Manitoba : |bAgriculture and Agri-Food Canada. |c1997.
300 |ax, 130p. : |btables ; |c28 cm.
4901 |aWeed survey series|v97-1
500 |a"A weed survey was conducted in Manitoba in 1994: a) to determine if the differences in weed populations exist among zero and conventional tillage systems in Manitoba; b) if differences exist, to determine the nature and extent of those differences so that Manitoba farmers are better prepared to make weed management decisions for their own crop production systems; c) to evaluate the differences in management practices between conventional and zero tillage systems in Manitoba by means of a producer questionnaire."--Introduction.
5203 |aA weed survey was conducted in Manitoba in 1994: a) to determine if the differences in weed populations exist among zero and conventional tillage systems in Manitoba; b) if differences exist, to determine the nature and extent of those differences so that Manitoba farmers are better prepared to make weed management decisions for their own crop production systems; c) to evaluate the differences in management practices between conventional and zero tillage systems in Manitoba by means of a producer questionnaire.--Introduction
563 |aSpiral binding
590 |a97-17|b1997-04-25
69007|aWeeds|2gcpds
7201 |aThomas, A. Gordon
830#0|aWeed survey series ;|v97-1|w(CaOODSP)9.514407