Inadequate application of nitrogen (N) fertilizer has been identified by the Food Staples Sufficiency Program as a … major constraint in achieving rice self-sufficiency. The available literature on fertilizer application in the Philippines …

fertilizer and improved seeds, and thus also to higher yields. We conclude that upscaling WII programs may help to spur …

obtained and the quantity of applied fertilizer) and the nature of its intensity (low, medium, high). It is also desirable to … know the most efficient types of fertilizer in order to increase wheat yield per hectare at national level in the context …