| What is the soil layering problem?
| Ewing, King; Doneen, Lloyd D.; Hagan, Robert M.; Lunt, O. R.; Nielsen, Thomas R.; Watson, James R. Jr. 1954. Proceedings of the Northern California Turfgrass Conference. p. 42-43.
| More | 239543 |
| How does sand on top of a loamy soil, or a clay layer affect irrigation?
| Ewing, King; Doneen, Lloyd D.; Hagan, Robert M.; Lunt, O. R.; Nielsen, Thomas R.; Watson, James R. Jr. 1954. Proceedings of the Northern California Turfgrass Conference. p. 43.
| More | 239544 |
| What is the reason water will not penetrate through a sand layer from a heavier soil?
| Ewing, King; Doneen, Lloyd D.; Hagan, Robert M.; Lunt, O. R.; Nielsen, Thomas R.; Watson, James R. Jr. 1954. Proceedings of the Northern California Turfgrass Conference. p. 43.
| More | 239545 |