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PLNT 1213(questions with complete solutions) passed
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PLNT 1213(questions with complete solutions) passed
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PLNT 1213conservation tillage - correct answer ✔✔any tillage system whose primary goal is maintenance of plant
residue on the soil surface (>30% crop residue remains on soil surface)
contour farming - correct answer ✔✔farm across slope (not up and down it)
conventional tillage - correct answer ✔✔The traditional method of cultivation in which the soil is broken
up by plowing before seeds are planted
cover crop - correct answer ✔✔crop planted to protect soil between other crop's growing season
drain tile - correct answer ✔✔underground pipe system to remove water from field
grassed waterway - correct answer ✔✔planting an area of field that is prone to water movement with a
permanent grass to prevent formation of a ditch
mulch till - correct answer ✔✔done with a sweep plow; only cuts roots, does not turn soil
no till - correct answer ✔✔soil in field is only disturbed when the new crop is planted
primary tillage - correct answer ✔✔inverts, cuts, and shatters soil 6-36 inches deep; leaves soil surface
rough; big layers turned over
ridge till - correct answer ✔✔land is disturbed at the end of the growing season; crop planted in stale
bed
secondary tillage - correct answer ✔✔prepares seedbed; weed control incorporated with herbicides or
by uprooting them; smooth surface
, soil erosion - correct answer ✔✔the detachment and removal of soil (ex: wind, water)
strip cropping - correct answer ✔✔alternating crops in rows in the same field (polyculture)
strip till - correct answer ✔✔only till 6 inch band where seeds are to be placed; created good seed bed
and leaves good cover elsewhere
terraces - correct answer ✔✔build soil ridges to direct water along the contour of land instead of down
it
purposes of tillage - correct answer ✔✔1. create suitable seed bed
2. eliminate weed competition
3. improve physical condition of soil
moldboard plow - correct answer ✔✔primary tillage implement
chisel plow - correct answer ✔✔long, thin blades; cuts deep; primary tillage implement
disk plow - correct answer ✔✔primary tillage
sweep plow - correct answer ✔✔blades go underground; severs roots but does not turn soil; primary
tillage (especially mulch)
tandem disk - correct answer ✔✔disks arranged in X pattern; secondary tillage
harrow - correct answer ✔✔used behind another to smooth (like a rake); secondary tillage
rotary hoe - correct answer ✔✔good for weed elimination and breaking up crusted soil; secondary
tillage
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