Grass clippings from a healthy lawn can be expected to contain ...

[audie]

Grass clippings from a healthy lawn can be expected to contain approximately ________ N (on a dry weight basis).
 
  A) 3.0 B) 0.2 C) 0.5 D) 0.01 E) 7.5

Question 2

Of the various types of drain systems, open ditch systems are most practical and economical for use on:
 
  A) soils which do not freeze during the winter.
  B) Vertisols.
  C) clay soils with poor drainage.
  D) soils with a deep water table.
  E) poorly drained soils with sandy profiles.

[voltaire123]

Answer to Question 1

A

Answer to Question 2

E

[audie]

Excellent

[xiazhe]

TYSM