NaTasha Berns English 250 Rebecca Lee November 30, 2011.

NEWER ISN'T ALWAYS BETTER

NaTasha BernsEnglish 250Rebecca Lee

November 30, 2011

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

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

Disadvantages 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

No Till

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

Disadvantages More weeds

Use of herbicides Hold to much water Attracts unwanted insects

Use of pesticides

Questions?