Herbicides in glass bottles, used to manage wasteland or control weeds in agriculture, laboratory experiment, test tubes. Kittisak Kaewchalun/iStock/Getty Images

Major farm chemicals are off patent

Prices for crop protection products are dropping as chemicals’ patents expire and generics proliferate

Fertilizer prices remain high but crop protection prices have been falling as more and more products come off patent, an industry official says.


Precision Planting's Symphony Nozzle system allows for real-time nozzle-to-nozzle control and adjustments to rate, pressure and droplet size for soybeans, canola, cornt, sugarbeets, edible beans and sunflowers, and provides easy in-field service by the operator.   Photo: Diana Martin

Symphony Nozzle system breathes new life into older sprayers

Precision Planting’s build-on system, featuring five-nozzle pulse-width modulation (PWM), provides precise droplet, speed and pressure control

Precision Planting’s Symphony system provides cost-effective pulse width modulation, nozzle control, real-time savings and yield increases for growers — without new machinery.