LA CES CEU – Understanding Soil Health and Its Principles for Improving Landscape Resilience, 10.13.21 Successfully complete the following quiz to qualify for 1 LA CES continuing education credit. A passing grade requires 8 correct answers. CEU LA CES Webinar 10.13.21 Understanding Soil Health Name(Required) First Last Email(Required) Phone(Required)ASLA # CLARB # CSLA # FL# 1. What does make a healthy soil? a. Enough soil nutrients b. The interaction between soil particles and plants c. A balanced interaction among soil properties 2. How does the water cycle let us know a soil is healthy? a. Water infiltrate rapidly into the soil b. Water evaporate after sno melt or rain; no water infiltration c. Water run off the soil surface d. Water standing in soil surface for a long period of time 3. What is a sign of healthy soil? a. Poor soil aggregation b. Soil compaction c. Stable soil aggregates d. Soil crust e. All of the above 4. If soil has a low we aggregate stability, will it hold a. more water in the soil b. more biological activity c. none of the above 5. More biological activity and diversity will be found in a a. multi-specie cropping system (Cocktail crop) b. monocropping system 6. The rhizosphere (root area closest to the soil) will have the a. highest biological activity b. lowest biological activity c. none of the above 7. Soil Aggregate formation and stabilization are the product of which of the following interactions? a. Plant roots and soil particles b. Plant roots and microorganisms c. Plant roots, soil particles, and microorganisms 8. Which of the following will contribute to building soil organic matter in the soil? a. Building up plant biomass in the soil surface b. Plant roots and root exudate and biological activities c. Neither of the above 9. If all the soil properties are not working properly in a soil, then what will be the first constraint to be fixed to unlock other constraints and start healing this soil? a. Chemical b. Physical c. Biological 10. What soil property allows a soil to continue its capacity to function as a living system? a. Chemical b. Physical c. Biological d. None of the above Δ
