Full TGIF Record # 17997
Item 1 of 1
Publication Type:
i
Report
Author(s):Kussow, Wayne R.
Title:Field Evaluation of Experimental Milorganite Formulations
Source:Wisconsin Turf Research: Results of 1989 Studies. Vol. 7, 1989, p. 6-8.
Publishing Information:Madison: University of Wisconsin, in cooperation with the Wisconsin Turfgrass Association.
Keywords:TIC Keywords: Organic fertilizers; Color evaluation; Fertilizer analysis; IBDU; Sulfur-coated urea; Nitrogen fertilizers; Nutrient availability; Phosphorus; Fertilizer technology
Abstract/Contents:Study on 7 experimental Milorganites at Cherokee Country Club on 'Baron' Kentucky bluegrass established in 1987. Experimentals were produced by varying dewatering and drying processes. Milorganite as currently produced, Par Ex 31-0-0 fine (IBDU) and Lebanon 'Greenskeeper' sulfur-coated urea (SCU) (32-0-0) were included for comparison purposes. Applied at 5 lb N/1000ft. Application schedule is 2 lb/N late May, 1 lb/N mid-August, and 2 lb/N mid-October. Colors provide average color ratings for 1988 and 1989 and thatch thickness, dry matter produced, and change in soil test phosphorus (P) for 1989. Milorganite experimental formulation were not notably inferior or superior to the current commercial product in color ratings or growth rate, although experimentals #5 and #7 consistently produced better color than commercial Milorganite. Experimentals and commercial Milorganite were inferior to IBDU and SCU in color development with IBDU showing superior early spring greenup. Due to high correlation between color ratings and growth rates and tissue nitrogen (N) contents, concluded nutrients other than N in Milorganite products were not affecting growth or quality. Soil test K, Fe, or Zn levels did not change significantly. Thatch accumulation in the second year study did not appear to correspond to fertilizer treatment. Soil test P indicated experimental Milorganites contain more available P than the commercial product. In summary, a slightly better Milorganite (experimental #5) can be achieved with a process that involves belt press dewatering rather than vacuum filtration and fluid bed rather than rotary drum drying. Result is at a given spreader setting approximately 3 times more N can be applied than with the currently available Milorganite.
Language:English
References:0
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kussow, W. R. 1989. Field Evaluation of Experimental Milorganite Formulations. Wis. Turfgrass Res. Rep. 7:p. 6-8.
Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=17997
If there are problems with this record, send us feedback about record 17997.
Choices for finding the above item:
Find Item @ MSU
MSU catalog number: SB 433 .W57
Request through your local library's inter-library loan service (bring or send a copy of this TGIF record)