Full TGIF Record # 42215
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Web URL(s):http://www.newss.org/proceedings/proceedings_1997_vol51.pdf#page=39
    Last checked: 07/24/2013
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Report
Content Type:Abstract or Summary only
Author(s):Drohen, J. A.; Bhowmik, P. C.; Prostak, R. G.
Author Affiliation:Graduate Research Assistant, Professor, and Technician, Department of Plant and Soil Sciences, University of Massachusetts
Title:Use of sludge based fertilizers for turfgrass
Meeting Info.:Newport, RI; January 6-9, 1997
Source:Proceedings of the 51st Annual Meeting of the Northeastern Weed Science Society. Vol. 51, 1997, p. 39.
Publishing Information:College Park, MD: Northeastern Weed Science Society
# of Pages:1
Keywords:TIC Keywords: Crabgrass control; Fertilizer evaluation; Herbicide efficacy; Herbicide interaction; Pendimethalin; Poa pratensis; Preemergence herbicides; Sewage products; Sewage sludge
Abstract/Contents:"Sewage sludge is a semi-solid material created during biological and physical wastewater treatment. Limited information exists on the effects of sludge based fertilizers on the efficacy of preemergence herbicides. Greenhouse experiments were conducted with Bay State Organic product (Massachusetts Water Resource Authority) at 0, 40, 80, and 120 lbs/100 sq. ft. and Milorganite product (Milwaukee Natural Organic Fertilizer) at 0,25,50, and 100 lbs/100 sq. ft. Fifty crabgrass [Digitaria sanguinalis (L.) Scop.] seeds were sown in 4-in pots. Sludge was applied over the seeds and covered with a 1/8 inch layer of soil. Pendimethalin at 0, 0.5, 1.0 and 1.5 lb. ai/A was applied preemergence with a CO₂-backpack sprayer to deliver 50 gpa at 22 psi. Crabgrass seedlings were counted weekly and dry weights were determined at harvest. All pendimethalin treatments at all rates of both sludge products controlled crabgrass effectively. In a second greenhouse study, the effect of sludge products on the growth and quality of 'Baron' Kentucky bluegrass (Poa pratensis L.) was investigated. Kentucky bluegrass seeds were sown at 2.0 lb/1000 sq. ft. in 4-in pots. Bay State Organic product a 0, 20, 40, 80, 160 and 240 lbs/1000 sq. ft. and Milorganite product a 0, 12.5, 25, 50, 100, and 150 lbs/1000 sq. ft. were applied. Kentucky bluegrass seedling emergence was determined. Turfgrass clippings were weighed weekly in the fall. Turfgrass density was visually rated on a scale of 1 to 9, where 1 = bare ground and 9 = full ground cover. Turf color was rated on a scale of 1 to 9, where 1 = light yellow color, and 9 = dark green color. Dry weight of turfgrass clippings increased as the sludge rates increased. There were no differences in seedling emergence of Kentucky bluegrass among the different rates of both sludge products, except when Milogranite at 150 lbs/1000 sq. ft. reduced emergence. Kentucky bluegrass fertilized with Bay State Organic emerged earlier than bluegrass fertilized with Milogranite and the differences in density were not observed 25 days later. Turfgrass color improved as the rate of sludge products increased. Field experiments were conducted on a newly seeded "Baron" Kentucky bluegrass stand to evaluate the effects of Bay State Organic and Milorganite products on the preemergence activity of pendimethalin and on the growth and quality of the turfgrass. Kentucky bluegrass was planted at 2.0 lbs/1000 sq. ft. Bay State Organic product at 0,20,40. and 80 lbs/1000 sq. ft., and Milorganite product at 0, 12.5, 25, and 50 lbs/1000 sq. ft. were applied. Pendimethalin at 0, 0.5, 1.0, and 1.5 lbs ai/A was applied preemergence. Crabgrass plants were counted at the end of the season, and color and density ratings were taken bi-weekly throughout the season. All combinations of sludge and pendimethalin treatments effectively controlled crabgrass. Color and density of the turfgrass improved as the rates of both sludge products increased. These results show that sludge based fertilizer products did not influence the herbicidal activity of pendimethalin for crabgrass control in Kentucky bluegrass. Sludge products improved turf quality and color with increased rates.
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Drohen, J. A., P. C. Bhowmik, and R. G. Prostak. 1997. Use of sludge based fertilizers for turfgrass. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 51:p. 39.
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Web URL(s):
http://www.newss.org/proceedings/proceedings_1997_vol51.pdf#page=39
    Last checked: 07/24/2013
    Requires: PDF Reader
    Notes: Item is within a single large file
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