New
quiz tests your knowledge on soil pH and conservation
tillage issues…
So what's your final answer
on soil fertility? Is it a top priority in your
crop production system? Or are you "50-50" on
this practice? Read on to test how soil savvy
you are and learn why you should always consider
proper soil fertility as a strategic "lifeline" to
success. You won't strike a million overnight,
but your crop will come out a winner. |
Q - The desirable ___ for optimum plant growth varies among crops,
but many grow well in the 6.0 - 7.0 range. |
a. Richter scale rating
b. pH range
c. Decibel |
Q - The amount of rain you get can really affect pH! Soils formed
under conditions of high annual rainfall are more ___ than are
soils formed under more arid conditions. |
a. Soggy
b. Acid
c. Basic |
Q - You'll have to dig deep for the answer to this question: Is the
pH of the topsoil usually representative of that of the subsoil? |
a. Yes
b. No |
Q - Don't fret! You can correct soil acidity by the use of ___. |
a. The Sorcerer's Stone
b. A positive attitude
c. Lime |
Q -Which is not a Conservation Tillage Practice that focuses
on managing crop residues? |
a. No-till
b. Mulch-till
c. Ridge-till
d. Moldboard plowing |
Q - Conservation tillage is defined by the CTIC as any tillage and
planting system that covers ___ percent or more of the soil surface
with crop residue, after planting, to reduce soil erosion by water. |
a. 25%
b. 30%
c. 50% |
Q - Careful… this
is a two-part question: In a conservation tillage
system, spring soil temperatures are usually ___
compared to other tillage systems due to ____. |
a. Higher; global warming.
b. Higher; the insulating effect of residue cover.
c. Lower; the insulating effect of residue cover. |
Q - Conservation tillage systems also affect the amount of water
stored in the soil profile. What do you think happens to the amount
of water stored? |
a. Disappears
b. Decreases
c. Increases |
Q -True of false? The distribution of fertilizer applications may
need to change under different tillage systems. |
a. True
b. False |
Q - In a conservation tillage program, lime recommendations typically
should be ___ . |
a. Ignored
b. Increased by 100%
c. Reduced by 50% |
