Unit 6 vocabulary part 3

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Across
  1. 3. rows of trees or tall plants planted in lines to block the wind. These protect soil from being blown awat and also help keep moisture in the soil.
  2. 4. Brining water to crops using pipes, sprinklers, or canals, especially in dry areas. While helpful, too much irrigation can lead to water waste or damage the soil.
  3. 7. Changing the type of crop planted in a field each season or year. This helps keep the soil full of nutrients because different crops use and return different things to the soil. It also helps prevent pests and plant diseases.
  4. 8. Planting two or more different ccrops close close together in the same fiel. This method keeps the soil healthy, reduces erosion, and makes it harder for paests to destroy all the plants.
  5. 9. The growth of cites with buildings, streets, and parking lots. It covrs natural land with concrete and asphalt, stopping rainwater from entering the soil and harming the enviroment.
  6. 11. Adding too much fertilizer (plant food) to crops. This can hurt the soil, damage plants, and cause chemicals to flow into rivers and lakes, polluting the water.
  7. 12. A farming method where farmers plow following the natural curves of the land. This slows water down when it rains and helps stop soil from being carried away downhill.
  8. 13. The cutting down of too many trees in a forest. This can lead to soil erosion, flooding, and changes in rainfall. Forests also provide homes for many animals and help clean the air.
Down
  1. 1. When too many animals eat grass in the same olace for too long. The grass can't grow back, and the soil becomes bare, weak, and more likely to blow or push away.
  2. 2. When salt builds up in the soil, usually because of too much irrigation or poor drainage. Salty soil makes it hard for mast plants to grow.
  3. 5. Wide, flat steps cut into hillsides where crops can be planted. These steps slow down water and stop it from washing away the soil. Terraces are used in places with steep land.
  4. 6. A way of farming where the soil is not dug or turned over too much. This keeps the soil structure strong, helps it hold water, and prevents erosion by keeping plant roots and leftover crop parts on the ground.
  5. 10. When once-healthy land becomes dry, cracked, and unable th grow plants. It happens when people overuse the land-cutting too many trees, overgrazing, or using too much water.