CEU 201 - TEST The Effects of Pesticides on Beneficial Invertebrates on Turfgrass 1. Turfgrass consists of the _____, _____, and _____ of grass plants together with the underlying thatch and soil.:2. _____ and _____ may have profound effects on the structure and stability of the turfgrass system.:3. What used in excessive amounts encourages accumulation of thatch by increasing vegetative production? _____:4. Reducing the frequency and extent of treatments is one of the general resistance management tactics. True or False:5. _____ is a tightly intermingled layer of undecomposed roots, rhizomes, stolons, plant crowns, stems and organic debris.:6. The distribution of a thin layer of soil followed by physical incorporation of the soil into the thatch is _____.:7. _____ fertilization commonly results in soil acidification.:8. A Greek philospher called _____ "the intestines of the earth".:9. What enhances the chemical environment of soil by mixing organic matter into subsurface layers? _____:10. Use of _____ can contribute to thatch development and certain _____ may reduce soil pH.:NAME:APPLICATOR LICENSE NUMBER: