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Anaerobic swine lagoon sludge sampling allows operators to determine the nutrient concentration in the sludge through laboratory analysis. This publication provides information about different options for sampling sludge in these lagoons.
Copper (Cu) deficiency is extremely rare, consequently it is not normally seen in field conditions. To help with the diagnosis and treatment of Cu deficiency, we induced Cu stress under controlled greenhouse studies. In NC State University trials, symptoms first developed in the middle part of the plant. The middle region of the leaf developed brown veins, which quickly turned black. The tissue surrounding the veins became chlorotic. Symptoms progress up the plant to the younger leaves.
This Soybean Nutrient Deficiency Information factsheet describes the symptoms and management of copper deficiency in soybean production in North Carolina.
