1. NaTasha Berns English 250 Rebecca Lee November 30, 2011

2. Tillage is disruption of soil structure by a plow or some other mechanical device

9. Advantages  Loosens soil  Aerate  Helps kill weeds  Helps mix in crop residue  Drying of the soil

10. Disadvantage s  Loses nutrients and ability to hold water  Runoff is a lot higher  Erosion happens at a rapid pace due to the soils inability to hold water  Compact the soil  Reduce organic matter  Drying of the soil

15. No Till

16. Advantages  Prevents erosion  Increase water and organic matter  Less compaction  Save money  Less work and time needed  Reduce carbon gasses being released into the air

17. Disadvantage s  More weeds Use of herbicides  Hold to much water  Attracts unwanted insects Use of pesticides

20. Questions?