After each treatment, switch between fungicide classes, or use a tank-mix of systemic and contact fungicides. In accordance with Federal law and U.S. Department of Agriculture policy, Cooperative ...
Organic farming is very regulated in Austria—no artificial fertilizers (especially nitrogen), no herbicides, no synthetic and systemic fungicides are allowed in the field; no fertilizer is ...
NICHOLAS ROBERTS / Stringer / Getty Images Systemic risk is the possibility that an event at the company level could trigger severe instability or collapse an entire industry or economy.