4R Nutrient Stewardship provides a framework to achieve cropping system goals, such as increased production, increased farmer profitability, enhanced environmental protection and improved sustainability. To achieve those goals, the 4R concept incorporates the Right fertilizer source at the Right rate, at the Right time and in the Right place.
The concepts of 4R Nutrient Stewardship — understanding how the right source of iron can be applied at the right rate with optimal timing and placement — can alleviate deficiencies.
The voluntary certification program is a concentrated effort by the agriculture industry to significantly reduce and prevent applied nutrients from running off fields.
