| Beneficial nematodes and their impact on grubs in turf
| Gathercole, William H.; P., Danuta. 2009. Turf & Recreation. September/October. 22(6): p. 34-38, 40.
| More Keywords | 158267 |
| Practices used to minimize the use of pesticides
| Gathercole, William H.; G., Norah. 2009. Turf & Recreation. July/August. 22(5): p. 102-103.
| More Keywords | 154650 |
| The looming shipwreck of the golf industry
| Gathercole, William H.; G., Norah. 2009. Turf & Recreation. June. 22(4): p. 26-30, 32-34.
| More Keywords | 150609 |
| Frequently asked questions about Ontario's pesticide ban
| Gathercole, William H.; G., Norah. 2009. Turf & Recreation. January/February. 22(1): p. 30-31, 34, 36, 38, 40, 42-44, 46.
| More Keywords | 150577 |
| DDT and our world of politicized science
| Gathercole, William H.; Gilbert, Jenny. 2007. Turf & Recreation. June. 20(4): p. 14, 16, 18, 20, 22, 24, 26-27.
| More Keywords ↔ | 125509 |
| Characteristics of organic nitrogen fertilizers
| Gathercole, William H.; Gilbert, Jenny. 2006. Turf & Recreation. April/May. 19(3): p. 20, 22, 24, 26, 28, 30, 32.
| More Keywords | 111731 |
| Curvularia summer blight disease
| Gathercole, William H.; Gilbert, Jenny. 2005. Turf & Recreation. July/August. 18(5): p. 8, 10, 130-131.
| More ↔ | 106576 |
| Guidelines for the storage of chemicals
| Gathercole, William H.; Gilbert, Jenny. 2005. Turf & Recreation. March. 18(2): p. 34, 37-38, 40.
| More | 103502 |
| Guidelines for the storage of chemicals
| Gathercole, William H. 2005. Turf & Recreation. January/February. 18(1): p. 16, 18, 20-22.
| More | 101375 |
| Managing summer stress on turfgrass
| Gathercole, William H.; Gilbert, Jenny. 2004. Turf & Recreation. June. 17(4): p. 41-42, 44-47.
| More Keywords | 98251 |
| Selection and use of protective turf covers
| Gathercole, William H. 2003. Turf & Recreation. September/October. 16(6): p. 26-28, 30.
| More Keywords | 91793 |
| Status of chlorothalonil in N. America
| Gathercole, William H. 2002. Turf & Recreation. January/February. 15(1): p. 19, 21-22.
| More Keywords | 80937 |
| Distinguishing between fusarium patch and leaf spot
| Gathercole, William H. 2001. Turf & Recreation. November/December. 14(7): p. 22, 24, 26-27, 29, 32.
| More Keywords ↔ | 80927 |
| Distinguishing between fusarium patch and leaf spot
| Gathercole, William H. 2001. Turf & Recreation. September/October. 14(6): p. 32-34.
| More Keywords ↔ | 77096 |
| How to help turf survive summer stress
| Gathercole, William H. 2001. Turf & Recreation. June. 14(4): p. 14, 16-21, 24-26.
| More Keywords | 74783 |
| Early season fertilization of turfgrasses
| Gathercole, William A. 2001. Turf & Recreation. March. 14(2): p. 46-49.
| More | 74741 |
| Integrated pest management strategies for turfgrass pests
| Gathercole, William H. 2000. Turf & Recreation. November/December. 13(7): p. 48, 50-54.
| More Keywords | 73201 |
| Late season fertilization of turfgrasses in Canada
| Gathercole, William H. 2000. Turf & Recreation. September/October. 13(6): p. 22-27.
| More Keywords | 70261 |
| Tank-mixing chemicals for spraying turfgrasses
| Gathercole, Bill. 2000. Turf & Recreation. June. 13(4): p. 16, 18-19, 22.
| More Keywords | 66456 |