Nutrient Management

The figure below presents a list of ways growers can determine fertility and lime needs of their fields and shows the proportion of grower who rely on each one often or always.

Soil testing is a sound and cost-effective practice that is used by nearly all growers. Future research to document whether leaf tissue and petiole testing are cost-effective and have clear benefits may be warranted to promote grower use of these tests, either on their own, or when offered by consultants.

The table below presents a list of fertilization methods along with the proportion of growers who use each one often or always. The substantial levels of adoption of several different fertilizer methods suggests that SSP-research has enhanced grower profitability by helping to identify and encourage the practices are the most effective.


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