Agriculture

1. organisms whose DNA has been altered using genetic engineering techniques
4. The process by which healthy soil becomes desert
6. the excessive accumulation of salt in soil (2 words)
7. a type of agriculture without the use of synthetic pesticides or fertilizers and which uses sustainable agriculture techniques
9. the cultivation of aquatic organisms
11. the process leading to higher concentrations of chemicals in organisms higher up in the food chain
12. a three letter acronym for the use of a variety of techniques to decrease pest populations
13. growing multiple species of crop in the same area

1. a "revolution" that took place in the 1960s which lead to large increases in food production
2. the breakdown and movement of soil by wind and water
3. crops that grow during the off season to protect the soil from erosion and replenish nutrients
5. having both physical and economic access to sufficient food to meet dietary needs for a productive and healthy life (2 words)
8. a measurement of the amount of crop grown or product produced per unit of land area (2 words)
10. the type of irrigation that conserves water and leads to lower soil salinization