Which of the following is not true of conservation tiling? A. a method of cultivation in which residues from previous crops are left in the soil B. residues are partially covering soil and helping it to hold seeds C. there are several types including no tilling D. over 70% of US farmland was planted using conservation tilling in the early 2000s E. all these are false

D) is the correct option

Explanation:

Conservation tillage conserves soil by reducing erosionIn the Midwest, erosion by water is the primary concern, whereas western regions of the country are more susceptible to wind erosionSoil erosion removes the productive layer of topsoil, reducing crop yields and land valueSoil removed from fields eventually ends up as sediment in streams, rivers, or lakesSediment collects in surface waters, reducing their water-holding capacity and some crop nutrients and pesticides attach to soil particles and are carried and deposited in waterways along with the soilConventional tillage, such as moldboard plowing, leaves the soil surface bare and loosens soil particles, making them susceptible to the erosive forces of wind and waterConservation tillage practices reduce erosion by protecting the soil surface and allowing water to infiltrate instead of running off

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