SCSC 302 Exam 2 Questions With Complete Solutions

Organic matter correct answer: -lowers density what do you do with clippings after you are done mowing? correct answer: return them to the grass, good organic matter Micronutrient Fertilizers correct answer: Iron sulfate: Immediate response most common added to micronutrient fertilizers Mixed fertilizer --------------------------------- Complete fertilizer correct answer: - contains 2 or more fertilizer materials ---------------------------------- - contains all 3 major elements Routine vertical mowing of fine turf correct answer: Removes thatch Aerification correct answer: Movement into the soil of: Air Water Nutrients *Reduction of compaction* Core Aerification correct answer: The removal of small soil cores or plugs from turf areas, leaving a hole in the sod. *Disruptive to surface* Deep Tine Aerification correct answer: Mostly for renovation rather than routine maintenance Factors that cause weakened turf correct answer: Over or under watering Temperature extremes Diseases or insects Heavy or excessive traffic Improper mowing Improper fertilization Misuse of pesticides You are responsible for being able to identify by picture and/or brief description the following weeds: Annual bluegrass - cool season, white seedheads Annual sowthistle Aster, white heath - note abundant white/lavender flowers and seedheads Crabgrass, large Dallisgrass Dandelion - yellow flowers, puff balls Dichondra - kidney shaped leaves Goosegrass - silvery crown area Henbit - square stems, small purple flowers Nutsedge, yellow/purple (You don't have to tell yellow and purple apart.) Purslane, common - summertime mat-former, more succulent than spurge Spotted spurge - summertime mat-former Pictures and descriptions of the above can be found at