Urban Growth Answers

Pastoral farming is best described as _______.a.a method of raising livestock and moving herdsb.an African method of agriculturec.a method of cultivating crops on poor soilsd.a common method of desert farming

The same agricultural practices are used in every country of the world.

The main target when controlling the acidity of soils is ______.a.neutralizing the pHb.adding basec.replacing lost cation nutrientsd.eliminating humic acids

Which of the following is the most damaging method of soil remediation?a.soil excavation and disposalb.soil aerationc.heating and vapor extractiond.microbial digestion

Which of the following is not an agricultural technique?a.irrigationb.selective breedingc.livestock herdingd.none of the above

The shrubs and trees in windbreaks protect soil from erosion by rain water.

Crop rotation is a method of soil conservation because _______.a.the land produces more than one type of cropb.it requires plowing and tilling that reduces soil compactionc.it does not use the same parcel of land in sequential seasonsd.it avoids the depletion of soil nutrients

Which of the following are some reasons for the variations in agricultural practices around the world?a.topographyb.traditionc.amount of rainfalld.all of the above

The high productivity of American agriculture is exemplified by _______.a.low crop yields per farm workerb.high crop yields per farm workerc.the small cultivated area per inhabitantd.the small cultivated area per farmer

Victory gardens were used in World Wars I and II to augment the public food supply and aid the war effort.