HERBICIDES FOR THE CONTROL OF WILD OAT (AVENA FATUA)COURTNEY AD.1982; AGRIC. NORTH. IREL.; GBR; DA. 1982; VOL. 57; NO 1; PP. 11-13Article

PRE-HARVEST SPRAYING IMPROVES SCUTCH CONTROL IN CEREALSCOURTNEY AD.1982; AGRIC. NORTH. IREL.; GBR; DA. 1982; VOL. 57; NO 3; PP. 75-76Article

SOIL ACTING HERBICIDES AND WEED CONTROL IN THE POTATO CROPCOURTNEY AD.1981; AGRIC. NORTH. IREL.; GBR; DA. 1981; VOL. 55; NO 12; PP. 378-381Article

A CONSIDERATION OF THE CONTRIBUTION TO PRODUCTION OF RUMEX OBTUSIFOLIUS IN A GRAZING REGIMECOURTNEY AD; JOHNSTON R.sd1978 BRITISH CROP PROTECTION CONFERENCE-WEEDS. BRITISH WEED CONTROL CONFERENCE. 14/1978/BRIGHTON; GBR; NOTTINGHAM: BOOTS COMPANY; DA. S.D.; PP. 325-331; ABS. FRE; BIBL. 6 REF.Conference Paper