Sentences with phrase «coating nitrogen fertilizers»

Other studies have shown that coating nitrogen fertilizers with various materials, such as polyolefins, can slow the release of nitrogen nutrients so that they are more synchronous with the requirements of the growing crop.

In some experiments in Japan, polyolefin coated nitrogen fertilizers were found to improve the nitrogen fertilizer efficiency, reduce the total amount of fertilizer required, increase yields and profits, and reduce nitrous oxide emissions.At least one Canadian fertilizer company (Agrium) is experimenting with coated fertilizers.

One possible application could be in zero tillage systems, where coated nitrogen fertilizer might allow considerably higher rates of fertilizer to be applied close to the seed.