The use of mineral fertilizer and other purchased inputs plummeted, driving yields down.
He was also decisively opposed to using excess mineral fertilizer.
Those who could afford it added potassium, a mineral fertilizer that contributes to vigorous growth.
By 1991 heavy use of mineral fertilizers and agricultural chemicals was a major cause of pollution in the republic.
In 1976 the production of cars for mineral fertilizers was started.
His research was in the field of agricultural chemistry, in particular mineral fertilizers.
We have received new tranquilizers, new types of mineral fertilizers, a revolution in agriculture.
Another important branch is the country's chemical industry which includes the production of coke, mineral fertilizers and sulfuric acid.
Even though the production of mineral fertilizer was successful, the company expanded into other businesses, from fertilizers to oil and metals.
The company is currently the world's leading provider of mineral fertilizer, with operations in more than 50 countries spread over six continents.
Wörterbuch für landwirtschaftliche Begriffe