The mission of the International Fertilizer Development Center is
to increase food production through the improvement of fertilizers
and fertilizer practices for the developing countries with special
emphasis on tropical and subtropical agriculture. The principal aim
is to ensure that fertilizer technology is not a limiting factor to
food production in those regions. Although the full extent to which
deficiency of micronutrients hampers food production is yet un
known, there is ample evidence that problem areas exist and more
will be identified as crop production is intensified and marginal
lands are exploited. Therefore, it seems fully appropriate at this
time that IFDC, as an international organization, take a leadership
role in developing micronutrient fertilizer technology appropriate
for the tropics and subtropics. The gravity of micronutrient
deficiency as a limiting factor to crop pro duction varies from
crop to crop and from soil to soil. The effects may range from
slight yield reductions to complete crop failure. While the
economic impact of omitting micronutrients in seriously affected
areas (e.g., Zn in Brazilian Cerrado) is convincing, it is
difficult to estimate the yearly loss in crop production due to
unsuspected micronutrient deficiency. Active soil and crop testing
programs in regions with advanced agricultural systems are aimed at
recognizing micronutrients as a limiting plant nutrient in time to
allow corrective measures and prevent yield loss. Successful
micronutrient monitoring systems are generally limited to developed
economies or to developing economies producing export cash crops."
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