Across
- 2. land is cut into steps and supported by retaining walls
- 5. amount of soil moisture or water content held in soil after excess water has drained away after irrigation or rain
- 6. action of applying water to land in order to supply crops and other plants with the necessary water for growth
- 8. composition of the soil in terms of the proportion of small, medium and large particles in a soil mass
- 10. water is piped to one or more central locations and distributed by overhead high pressure sprinklers or guns
- 11. situation when a plant wilts beyond recovery due to a lack of water in the soil
- 13. application of fertilizer through the irrigation system
- 14. application of herbicides and insecticides through an irrigation system to deliver the product to the crop or soil surface
- 15. rate at which a crop uses water for transpiration and growth plus evaporation from the soil surface
- 16. quantity of water contained in a soil
Down
- 1. amount of water located between the large and small pore spaces in the soil
- 3. amount of water held in a soil between field capacity and the permanent wilting point; it represents the quantity of water available or usable by the plant
- 4. water moves over and across the land by gravity flow in order to wet and infiltrate the soil
- 7. practice of applying the correct amount of water at the correct frequency to supply the water needs of the plants
- 9. system where water is distributed under low pressure through a piped network in a predetermined pattern and applied as a small discharge to each plant or adjacent to the pipe
- 12. water is delivered to the plant root zone from below the soil surface and absorbed upwards