Full TGIF Record # 83870
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1081/CSS-120014462
    Last checked: 10/15/2015
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Publication Type:
i
Report
Author(s):Haby, Vincent A.
Author Affiliation:Texas Agricultural Experiment Station, The Texas A&M University Syatem, Overton, TX
Title:Soil fertility and management of acid coastal plain for crop production
Section:Plenary papers
Other records with the "Plenary papers" Section
Source:Communications in Soil Science and Plant Analysis. Vol. 33, No. 15-18, September/October 2002, p. 2497-2520.
# of Pages:24
Publishing Information:New York, NY: Marcel Dekker
Keywords:TIC Keywords: Soil acidity; Soil fertility; Soil pH; Cynodon dactylon; Paspalum notatum; Lolium multiflorum; Nitrogen; Phosphorus; Potassium; Limestone; Ammonium nitrogen; Fertilization; Sand; Boron; Dry weight; Chemical properties of soil; Hybrid bermudagrasses
Abstract/Contents:"Soil acidity and fertility management are critical for crop production on Coastal Plain soils of the southern and southeastern USA. Grasses and legumes are the primary crops grown on these soils. Hybrid bermudagrass (Cynodon dactylon (L.) Pers.) and bahiagrass (Paspalum notatum) are the major warm-season grasses while annual ryegrass (Lolium multiflorum Lam.) is the dominant cool-season grass. Bahiagrass tolerates acidity and low soil fertility. Bermudagrasses tolerate moderate soil acidity levels and readily respond to N, P, and K fertilization. Annual ryegrasses are highly responsive to limestone, N, and P. High rates of ammonium N applied for grass production rapidly increase acidity due to nitrification in these low-buffer-capacity soils. Liming these soils to increase pH improves P use efficiency and forage production. Fertilizer P increased soil test P 38% as soil pH was raised from 4.5 to 6.2 in a Lilbert loamy fine sand (thermic Arenic Plinthic Paleudult). Forage legume crops respond favorably to applied P, K, and B on limed Ultisols. Limestone applied to strongly acid soils increased alfalfa yields greater than 6.2 Mg ha-1. The critical 0- to 15-cm-depth, soil test P level is 20 mg kg-1 for alfalfa (Medicago sativa L.) using the pH 4.2 NH4OAc-EDTA extractant on limed coastal plain soils. Alfalfa response to applied B was 3.9 Mg ha-1 and was economical to 4.2 kg ha-1. Regression analysis predicted that raising the level of hot-water soluble B from 0.3 to 0.7 mg kg-1 in the 5- to 15-cm depth increased alfalfa dry matter yield 9 Mg ha-1. The level of hot-water soluble B in the 0- to 5-cm and in the 5- to 15-cm depths did not correlate with yield."
Language:English
References:27
Note:Tables
Graphs
Geographic Terms:Southern United States; Southeastern United States
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Haby, V. A. 2002. Soil fertility and management of acid coastal plain for crop production. Commun. Soil. Sci. Plant Anal. 33(15-18):p. 2497-2520.
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Web URL(s):
http://www.tandfonline.com/doi/pdf/10.1081/CSS-120014462
    Last checked: 10/15/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: S 590 .C54
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