Relative efficiency of broadcast and banded phosphorus for sweet corn produced on histosols

Charles A Sanchez, P. S. Porter, M. F. Ulloa

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Histosols used extensively for crop production are often hydrologically linked to environmentally sensitive wetlands, making it imperative that management strategies be developed to improve the efficiency of fertilizer P. Furthermore, sweet corn (Zea mays L.) produced on Florida Histosols is grown in rotation with sugarcane (Saccharum spp.), which responds negatively to high P. Reduction of the P rates applied to sweet corn would increase the compatibility of this common crop rotation. Studies were conducted across six site-seasons during 1988 and 1989 to evaluate the relative efficiency of broadcast and banded P for sweet corn. Broadcast and banded P rates were 0, 25, 50, 75, and 100 kg P ha-1. Broadcast P was surface applied and disked into the soil before planting. Banded P was applied ≈ 3 cm below the corn seeds in bands mixed with soil in an approximate diameter of 5 cm. Sweet corn responded to P when soil-test P levels were below 1.2 g m-3. Total marketable yields, yield of U.S. Fancy, and quality parameters of sweet corn ears were increased by P rate and affected by placement in four of the six site-seasons. Band placement reduced the amount of P required for a specified sweet corn yield and also appeared to result in higher total yield. The relative efficiency of banded to broadcast P depended on soil-test P level. The relative efficiency was greater than 3:1 (band/broadcast) when soil-test P was <0.2 g m-3 but approached 1:1 as soil-test P increased to 1.2 g m-3. Overall, results indicate that banding P is, indeed, a viable strategy to reduce the amount of P used for sweet corn production on Histosols.

Original languageEnglish (US)
Pages (from-to)871-875
Number of pages5
JournalSoil Science Society of America Journal
Volume55
Issue number3
StatePublished - May 1991
Externally publishedYes

Fingerprint

Histosol
Histosols
sweetcorn
maize
phosphorus
soil test
soil
band placement
testing
corn ears
Saccharum
crop rotation
crop production
sugarcane
wetlands
Zea mays
planting
fertilizers
wetland
fertilizer

ASJC Scopus subject areas

  • Soil Science
  • Earth-Surface Processes

Cite this

Relative efficiency of broadcast and banded phosphorus for sweet corn produced on histosols. / Sanchez, Charles A; Porter, P. S.; Ulloa, M. F.

In: Soil Science Society of America Journal, Vol. 55, No. 3, 05.1991, p. 871-875.

Research output: Contribution to journalArticle

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