Chapter Questions
The various climatic zones are delineated in Figure 8.1. Explain some reasons why these definite boundaries might not always hold.
Explain why irrigation is not advisable in all areas even though there may be water in wells.
Describe the various rainfall patterns in relationship to crop production.
Explain some effects of day length and frost-free days on the crops that may be grown in an area.
Cold-weather crops can successfully be grown in some tropical countries. Describe the places, generally, where this is possible.
Explain the possible effects of increasing atmospheric carbon dioxide on crop production.
Describe evapotranspiration and explain why it is important in determining an area's suitability for crop production or needing irrigation.
An area is determined to have just enough rainfall to satisfy crop production needs, but crops cannot be grown in the area. Explain how this might occur.
Describe the adverse effects high wind can have on both soil and crops.
Define growing degree days and explain why they are important.