Recent Mulch Research Test

Recent Mulch Research Test
Please fill out your email address in the first box and your name, ISA cert. no. & specialty in the second box. Answer the questions below and when you are finished, press submit.

Email Address :
Name :

Question: 1. The benefits of mulching include all but:
weed suppression
soil moisture retention
transmission of pathogens
improved soil structure

Question: 2. Evidence to the benefits of mulching include all but:
the composition of wood chips
experimental conditions
the composition of ground bark
the application rate

Question: 3. The allelopathic effect or soil acidification from mulch is from:
fir
hemlock
pine
none of the above

Question: 4. Acidification of soil is caused by all but one of the following:
pine
cypress
oak
maple

Question: 5. Surface crusting of mulches and related water-shedding conditions is caused by:
fungus
wood type
fine particles
matting

Question: 6. The use of fresh wood chips showed no evidence of:
water retention in the soil
growth inhibition
nitrogen immobilization
flower inhibition

Question: 7. Disease transmission from wood chip mulch is caused by:
coarse wood chips
over-application
diseased trees
mushrooms

Question: 8. Wood chip mulch should be reapplied every:
3 to 5 years
2 to 4 years
2 to 3 years
1 to 2 years

Question: 9. Mulch life is not effected by:
mulch composition
soil fertility
particle size
aging

Question: 10. Recommended wood chip depths on restoration plantings of native species is:
1 to 2 inches
2 to 4 inches
4 to 6 inches
6 to 10 inches

_{On-Line-Seminars.com}