AGN 115 Quiz for Exam 3 Content
questions and answers graded A+
Maximizing soil organic matter and protecting the health and diversity of the soil biotia is a
major part in any sustainable farming system. Methods of managing the soil organism
community include: - correct answer ✔✔including a variety of food choices (crop rotation and
residues)
pesticide application choices
conservation tillage choices (frequency, depth, method, burial of residues)
creating habitat diversity (fencerows, grassed waterways)
managing organic matter (adding manure, compost, etc)
An active, healthy soil could have as many as 10,000 different species and a total of over a
billion organisms. (Tollefson videos and soil lectures) - correct answer ✔✔true
When added to the soil compost is considered to be soil organic matter. - correct answer
✔✔false
Cation exchange capacity is defined as _________. (Ch 8) - correct answer ✔✔.
the number of sites on micelles available for binding positively charged ions.
Soil development can occur biologically, through biotic processes such as _______________.
(Ch 8) - correct answer ✔✔Both A and C
so both decomposition and mineralization
In the assigned MU extension guide G9102 we learn many benefits of liming soils before
planting. IN Missouri, the suggested liming rate on a soil test result is expressed in terms of
questions and answers graded A+
Maximizing soil organic matter and protecting the health and diversity of the soil biotia is a
major part in any sustainable farming system. Methods of managing the soil organism
community include: - correct answer ✔✔including a variety of food choices (crop rotation and
residues)
pesticide application choices
conservation tillage choices (frequency, depth, method, burial of residues)
creating habitat diversity (fencerows, grassed waterways)
managing organic matter (adding manure, compost, etc)
An active, healthy soil could have as many as 10,000 different species and a total of over a
billion organisms. (Tollefson videos and soil lectures) - correct answer ✔✔true
When added to the soil compost is considered to be soil organic matter. - correct answer
✔✔false
Cation exchange capacity is defined as _________. (Ch 8) - correct answer ✔✔.
the number of sites on micelles available for binding positively charged ions.
Soil development can occur biologically, through biotic processes such as _______________.
(Ch 8) - correct answer ✔✔Both A and C
so both decomposition and mineralization
In the assigned MU extension guide G9102 we learn many benefits of liming soils before
planting. IN Missouri, the suggested liming rate on a soil test result is expressed in terms of
