AZPAAnti-Zona Pellucida Antibodies
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He said AZPA has 25,000 acres in cultivation but would not say how much land it owned altogether.
On its fields, AZPA follows standards for no-till plowing, weeding by hand, and forgoing chemical fertilizers, herbicides, and insecticides (wasps are used to drive out pests).
Like QAI, Brenes wouldn't comment on AZPA, but he told me that USDA standards for things such as biodiversity were too vague to include in his inspections, so he had to take the growers' word for it.