Increasing Yields and Decreasing Fertilizer Waste on Subsistence Farms

International Fertilizer Development Center A new technique for applying urea, a nitrogen fertilizer, involves burying briquettes like those above in the soil, rather than sprinkling granules on top of the soil.

A new agricultural technology that cuts nitrogen fertilizer waste in half while increasing rice yields is spreading quickly in Bangladesh and is being investigated by 15 other nations, including more than a dozen in sub-Saharan Africa.

Chemical fertilizers  are critical to raising crop yields, but their cost has been prohibitive for many subsistence farmers, particularly those in Africa.

The inefficiency of fertilizer application is also a major problem. By some estimates, as much as 70 percent of nitrogen fertilizer applied to crops in developing nations is lost to runoff or released into the atmosphere, contributing to coastal
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