2. What Affects the Accuracy of a Bray P1 Test for Phosphorus?

ANS 418 CNMP

First Midterm Examination 10/02/2002

1.  Compare and explain why a fertility imbalance might occur if manure application is based upon Nitrogen. What if the basis is phosphorus?

2.  What affects the accuracy of a Bray P1 test for phosphorus?

3.  Why are nitrates easily leached out, but phosphates are much less mobile.

4.  What are greenhouse gases? How do they contribute to global warming?

5.  Do you consider mixed farming systems inherently less damaging to the environment than intensive, less diverse, and larger scale operations? Why?

6.  Name three key environmental or public health problems commonly blamed on animal agriculture and briefly describe them.

7.  What has been the trend for animal protein consumption for (swine, beef, poultry) in the U.S. for the past 50 years? What is the projected trend?

8.  What is the projected trend for world animal protein consumption? Why?

9.  List and briefly describe four global environmental challenges.

10.  What do you think is the most significant global environmental challenge? Why?

11.  Why is the average herd size on farms today increasing?

12.  When did we have the most hogs in inventory? When was pork production the greatest? If those dates aren’t the same, why aren’t they?

13.  Explain what Right to Farm does for a Michigan farmer.

14.  What is the complaint response process in Right to Farm? Who does what?

15.  Who writes GAAMPS?

16.  How do we measure phosphate in soils? How accurate are the measurements?

17.  What is meant by vertical integration in animal industries? Is that a factor in environmental issues?

18.  How can animal agriculture be blamed for acid rain?

19.  What items should a Comprehensive Nutrient Management Plan contain?

20.  Michigan is deficit in which micronutrient? How can it be compensated with?

21.  What is Phytic acid? Which enzyme is required to make phytate-P available?

22.  How do you characterize animal manure and its handling options?

23.  Briefly describe swine waste management systems?

24.  What is Eutrophication? Why animal manure can be blamed for it?

25.  Briefly describe the ecological Phosphorous cycle.