questions with verified answers
Soil surveys include which of the following:
Estimated crop yields
Rangeland interpretations
Engineering uses Ans✔✔-All of the above
The two major environmental risks of crop production are soil erosion and water
contamination. Ans✔✔-True
What led to the 3rd Revolution in Agriculture? Ans✔✔-Industrial Revolution
What agriculture practice(s) is/are used to conserve soil? Ans✔✔-Utilization of
nitrogen-fixing crops
Implementation of IPM
Utilization of soil conservation practices.
(all of these)
What did agriculture derive from? Ans✔✔-Domestication of wild plants
An example of agro-forestry is the grazing of cattle in sheep in new plantations of
Douglas fir and Ponderosa pine. Ans✔✔-True
What are two classifications for natural resources? Ans✔✔-Renewable and non-
renewable
, Fertilizer runoff into lakes and streams is closely related to soil erosion, and is best
controlled by soil conservation practices such as no-till planting. Ans✔✔-True
Of the 1,391 million acres of rural land in US, approximately how much is used to
cultivate crops? Ans✔✔-325 million
Cattle producers use range science techniques such as monitoring forage use and
rotational grazing for what purpose? Ans✔✔-Regrowth of vegetation and to
reduce soil erosion.
The concept of co-evolution states that grasslands and large, grazing plant eaters
are mutually dependent. Ans✔✔-True
Which of the following is NOT a livestock negative? Ans✔✔-Tilling
Crop Production consists of what type of crops? Ans✔✔-Organic and agronomic
A biotic community is made up of all the of the non-living organisms in the
ecosystem and their interaction. Ans✔✔-False
Natural Resources consist of... Ans✔✔-renewable resources
exhaustible resources
non-renewable resources
(all of these)