A little of what they fancy...

2019-03-06 05:17:01

By Eugenie Samuel in Boston SMART fertiliser granules that only give plants as much phosphorus as they need could soon be helping farmers cut pollution in nearby streams and water supplies. The granules cut 90 per cent of phosphorus pollution in waterways, caused by the run-off of excess nutrients, say researchers at Pennsylvania State University. Growers do not know exactly how much phosphorus their plants are using at any particular time,