| Taafutekku ni taisuru nooyaku no eikyoo (1989-1990) ([Influence of chemicals on Turftec (1989-1990)])
| Yamaji, Hiroyuki. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 1-6.
| More | 223401 |
| Taafutekku II no shibachi he no seyoo kooka (1990) ([Effects of Turftec II on lawns (1990)])
| Yamaji, Hiroyuki. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 7-9.
| More | 223402 |
| Shinnoosui no shibakusa ni taisuru seyoo kooka (1989-1990) ([Effects of Shennong Water on turf (1989-1990)])
| Yamaji, Hiroyuki. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 10-12.
| More | 223403 |
| Shootoshi no shibakusa ni taisuru seyoo kooka (1989-1990) ([Effects of Shotoshi on turf (1989-1990)])
| Yamaji, Hiroyuki. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 13-15.
| More | 223404 |
| Gurourintaafu no shibakusa ni taisuru seyoo kooka (1990) ([Effects of Glowing Turf chemical on turfgrass (1990)])
| Yamaji, Hiroyuki. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 16-19.
| More | 223406 |
| Tenpointo no kouraishibaa ni taisuru seyoo kooka (1989-1990) ([Effects of Ten Point chemical on zoysiagrass (1989-1990)])
| Yamaji, Hiroyuki. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 20-21.
| More | 223408 |
| Tenpointo no bentogurasu ni taisuru seyoo kooka (1990) ([Effects of Ten Point chemical on bentgrass (1990)])
| Yamaji, Hiroyuki. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 22-23.
| More | 223409 |
| Ruutosutaa no kouraishiba ni taisuru seyoo kooka (1989-1990) ([Effects of Root Star on zoysiagrass (1989-1990)])
| Yamaji, Hiroyuki. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 24-26.
| More | 223410 |
| Ruutosutaa no bentogurasu ni taisuru seyoo kooka (1990) ([Effects of Root Star on bentgrass (1990)])
| Yamaji, Hiroyuki. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 27-29.
| More | 223411 |
| Bainekiton, suupaabaine no shibakusa ni taisuru seyoo kooka (1990) ([Effects of Bainekiton and Superbaine on turf (1990)])
| Yamaji, Hiroyuki; Sato, Katsuya. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 30-37.
| More | 223412 |
| GF-7 no shibakusa ni taisuru seyoo kooka (1990) ([Effects of GF-7 on turf (1990)])
| Fukunaga, Yoshikazu. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 38-39.
| More | 223415 |
| Baiotaihi no shibakusa ni taisuru seyoo kooka (1990) ([Effects of Biotaihi on turf (1990)])
| Fukunaga, Yoshikazu. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 40-42.
| More | 223416 |
| Neonobiiru C no kouraishiba ni taisuru seyoo kooka (1990) ([Effects of Neonobile on zoysiagrass (1990)])
| Yamaji, Hiroyuki. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 43-44.
| More | 223417 |
| VA kin ne kin no sesshu ga bentogurasu no seiiku ni oyobosu eikyoo ni tsuite (1990) ([The influence of VA mycorrhizal fungus inoculation on the growth of bentgrass (1990)])
| Fukunaga, Yoshikazu; Yamaji, Hiroyuki. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 45-47.
| More | 223418 |
| CDU bunkai kin iri dojoo kairyoozai no shibachi no rizokutonia raajipacchi ni taisuru hassei yokusei kooka (1990) ([Growth inhibiting effects of bacterial CDU-degrading soil enhancers on rhizoctonia large patch (1990)])
| Yamaji, Hiroyuki. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 48-50.
| More | 223419 |
| Iwamiraito no nooyaku no kyuuchakusei (1990) ([Absorptive properties of Iwamilite (1990)])
| Yamaji, Hiroyuki; Fukunaga, Yoshikazu. 1991. Nishinihon Guriin Kenkyuu Hookoku [Research Report of NGRI]. 22: p. 51-53.
| More | 223420 |