Comparison of broiler litter and inorganic nitrogen, phosphorus, and potassium for double‐cropped sweet corn and broccoli

J. E. Brown Department of Horticulture, Auburn University, 101 Funchess Hall, AL, 36849–5408

J. M. Dangler Department of Horticulture, Auburn University, 101 Funchess Hall, AL, 36849–5408

C. H. Gilliam Department of Horticulture, Auburn University, 101 Funchess Hall, AL, 36849–5408

D. W. Porch Department of Horticulture, Auburn University, 101 Funchess Hall, AL, 36849–5408

R. L. Shumack Department of Horticulture, Auburn University, 101 Funchess Hall, AL, 36849–5408

Abstract

Two rates of broiler litter (20 and 40 mt/ha) were compared to recommended rates of inorganic nitrogen (N), phosphorus (P), and potassium (K) in a double cropping system of spring sweet corn (Zea mays L. ‘Silverqueen') and fall broccoli (Brassica oleracea L, ‘Southern Comet')‐ Sweet corn matured one week earlier both years when fertilized with 40 mt/ha of broiler litter compared to commercial fertilizer. The early maturity may be due to improved P nutrition. Similar or higher yields of fall broccoli were produced with broiler litter following sweet corn than with commercial fertilizer.

Notes

This research was funded, in part, by the Tennessee Valley Authority.

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Comparison of broiler litter and inorganic nitrogen, phosphorus, and potassium for double‐cropped sweet corn and broccoli

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Comparison of broiler litter and inorganic nitrogen, phosphorus, and potassium for double‐cropped sweet corn and broccoli

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