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141



Name: Mackowiak, Cheryl
Title: Associate Professor
Organization: Soil and Water Science
Education: Ph.D., Plant nutrition and soil fertility, Utah State University, Logan, UT, 2001
Office Address: Nfrec 155 Research Rd Quincy, FL 32351-5677
Email: echo13@ufl.edu
Telephone: +1 (850) 875-7126

Google Scholar Profile link:

Primary interest is to enhance water quality by minimizing nitrogen and phosphorus losses from forage production and pasture systems. Some of the applied aspects are being used to develop nutrient best management practices (BMP). Research emphasis is being placed on factors that affect gaseous and leaching nitrogen losses from surface and subsoils, particularly with organic waste applications. One goal is to improve cropping system assimilative capacity for municipal and agronomic wastes by utilizing improved plant material and enhancing rhizosphere processes.For example, cultivars of Paspalum notatum are being evaluated for root growth rate, stolon production and yield in regards to maximizing N removal from soils under different moisture regimes. Nitrate losses tend to increase in winter as less plant biomass is available to intercept N. Therefore, some of the same evaluations are being done with winter cover crops, such as Lolium multiflorum in dairy spray fields.Forage legumes, such as perennial peanut, are being assessed in terms of soil N cycling. Incorporating more legumes into forage systems may reduce the need for N fertilizer inputs.

Keywords: AMMONIA; BMP; CARBON; DENITRIFICATION; GRASSES; LEGUME; NITROGEN; ORGANIC; PASTURE; PHOSPHORUS