The best sector last year, up 93 percent, was fertilizers and other agricultural chemicals.

The farmers in your district use all those nasty agricultural chemicals.

This lasted until 1958 when became a salesman of agricultural chemicals.

Oil is also used as an input in agricultural chemicals.

It is used in the production of agricultural chemicals and pharmaceuticals.

He says agricultural chemicals could threaten water supplies in rural areas.

Sales of agricultural chemicals to developing countries have grown rapidly.

The use of agricultural chemicals is not likely to end any time soon.

Poor water management and heavy use of agricultural chemicals also have polluted the air.

Considerable sums have also been spent on research at major agricultural chemical and seed companies.