| A | B |
| Arable Land | Fertile land that can be plowed to grow crops |
| Biological pest control | pest control using living organisms or naturally produced chemicals |
| Desertification | Deterioration of land to the point that it becomes desert like |
| Droughts | Period when rainfall is less than average, causing crop failure. |
| Erosion | The wearing away of topsoil by wind or water. |
| Famine | Widespread food shortage. |
| Fertile soil | Soil that can support the rapid growth of healthy planets. |
| Low-imput farming | Farming that does not use a lot of energy, pesticide, fertilizer, and water. |
| Malnutrition | Poor health conditions caused by not consuming enough neccesary nutrients. |
| No-tilling farming | Procedure in which the seeds of the next crop are planted in slits cut into the soilthrough the remainsof the previous crop. |
| Pathogens | Disease-causing organisms, such as bacteria, viruses, and parasites. |
| Pest | Any organims that is not wanted or that exist in large enough numbers to cause damage. |
| Pesticides | Substances that kill pest. |
| Resistance | The ability of a pest population to tolerate a particular pesticide. |
| Salinization | The accumulation of salts in the soil. |
| Substinence farmers | Farmers who grow onlyenough food to feed their families. |
| Topsoil | Loose surface layer of soil. |
| Yeild | Amouint of crops produced per unit area. |