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Fertilizer, plastic mulch treatments benefit tomato yield

Nonreflective plastic mulches have been shown to increase early and total yield in tomato, benefits most often attributed to increased soil temperatures that enhance roots' ability to assimilate nutrients such as phosphorus, a vital contributor to increased yield. Phosphorus- (P) or nitrogen- (N) and phosphorus-containing water-soluble fertilizers applied at transplant have also been recommended to improve establishment and enhance yield of annual vegetables.
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