Quiz 9

What is the most beneficial aspect of adding organic matter amendments is to coarse-textured soils during establishment?

an increase in soil-nutrient holding capacity

Thoroughly tilling soil:

destroys soil structure

Annual broadleaved weeds are the most troublesome for establishing turf.

false

Fertilizer efficiency increases as soil pH decreases below 6.0.

false

If different soil types are present, a representative soil sample should be assimilated by mixing numerous subsamples taken across the entire area.

false

Site preparation for seeding differs widely from site preparation for sodding.

false

Small amounts of sand incorporated into the top 4 to 6" can effectively alter soil texture.

false

Turf soil samples should include the foliage and thatch layer.

false

Under no conditions should one forego a soil test.

false

Downward movement of water is drastically impeded when______-textured soil overlays______-textured soil.

fine coarse

During the Finish Grade step of Establishment, what occurence(s) aid(es) settling of the soil?

irrigation rainfall

Liming the soil as part of the seeding process can lead to the fixation of what element?

phosphorous

Which element is in the greatest amount in what is referred to as a starter fertilizer?

phosphorus

Amending the soil with agricultural lime will do what to the soil pH?

raise the soil pH

What is the recommended depth for sampling turf soils?

top four inches

If different soil types are present, composite soil samples should be assimilated separately from each distinctive soil-type area.

true

Soil sampling for turfgrasses should be confined to the top four inches of soil.

true