1997 Sunflower Grower Survey of Pest Problems and Pesticide Use 


Table 64. Non-chemical disease management in 1997.



Disease Management Practice
  Kansas   Minnesota   North Dakota   South Dakota


Acres

Respondents' Acres (%)



Acres

Respondents' Acres (%)



Acres

Respondents' Acres (%)



Acres

Respondents' Acres (%)

Crop Rotation 10,789 43.8 18,457 81.5 56,870 61.2 60,639 79.3
Tillage 2,994 12.2 7,398 32.7 24,186 26.0 32,541 42.6
Resistant Hybrid 271 1.1 4,743 20.9 12,975 14.0 19,052 24.9
Other 125 0.5 0 0 0 0 0 0