Science news articles about 'synthetic fertilizers'

... negative environmental impacts have led some researchers and policymakers to call for reductions in the use of synthetic fertilizers. But in a report published in the June 19 issue of the journal ...

(PhysOrg.com) -- Synthetic fertilizers have dramatically increased food production worldwide. But the unintended costs to the environment and human health have been substantial. Nitrogen runoff from ...

... years, but performs poorly in low-yielding years such as dry summers and wet springs. When synthetic fertilizers or phosphorus-based manure are applied, however, continuous corn may yield less than ...

... wood ash as a fertilizer for food crops has found that the combination can be substituted for costly synthetic fertilizers to produce bumper crops of tomatoes without introducing any risk of disease ...

... wood ash as a fertilizer for food crops has found that the combination can be substituted for costly synthetic fertilizers to produce bumper crops of tomatoes without introducing any risk of disease ...

... -alfalfa-alfalfa rotation. Conventional rates of synthetic fertilizers were applied in the two-year rotation, ... small grain and forage legume crops. Over the period of 2003-2006, both synthetic Nitrogen ...

... possible cancer risks. Use of man-made synthetic fertilizers has steadily increased since World ... ground water increased in response to the increased use of fertilizers since World War II. "This study ...

... boost biodiversity by providing a haven for birds and other animals. They also require far less synthetic fertilizer, pesticides and herbicides than sun-coffee plantations. In the October edition of ...

... , there has been no consistent pattern in these organic matter pools during the period of synthetic fertilizer use, that is, from 1957-2002. "For these prairie soils, some of the best in the world, ...

... pools when prairies were first cultivated and drained, there has been no consistent pattern in these organic matter pools during the period of synthetic fertilizer use, that is, from 1957-2002.