Full TGIF Record # 8026
Item 1 of 1
Publication Type:
Author(s):Beard, J. B.; Johns, D.; Batten, S. M.; Menn, W. G.
Author Affiliation:The Texas Agricultural Experiment Station
Title:An assessment of slow release nitrogen carriers
Source:Texas Turfgrass Research - 1982. September 1982, p. 74-76.
Publishing Information:College Station, TX: Texas Agricultural Experiment Station.
Keywords:TIC Keywords: Ammonium sulfate; Fertilizer carriers; Oxamide; Cynodon dactylon; Stenotaphrum secundatum
Abstract/Contents:Seven different types of sulfur coated urea nitrogen carriers were evaluated on mature stands of St. Augustinegrass and Tifway bermudagrass. Two pounds of actual N per 1000 ft2 was applied over a three year period in an alternating summer-spring-fall schedule. The St. Augustinegrass grew on a well-drained sand root zone at 7. pH; the Tifway bermudagrass grew on a poorly drained sandy loam with a pH of 8.2. An observation common to all those summer applications was the minimal differences among the major types of nitrogen carrier, "slow release". Types of slow release acted like water-soluble quick release types under these soil and climatic conditions. Distinct differences were noted in the spring and fall applications. The sulfur coated nitrogen carriers displayed good promise on both grasses, have reasonable slow release properties, and the bonus of additions of sulfur to the soil environment. An experimental fertilizer, oxamide, showed slow release properties without excessive shoot growth.
Note:PR #4053
Geographic Terms:Texas
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Beard, J. B., D. Johns, S. M. Batten, and W. G. Menn. 1982. An assessment of slow release nitrogen carriers. Tex Turfgrass Res. p. 74-76.
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