The implications of controlling grazed sward height for the operation and productivity of upland sheep systems in the UK. 4. The effect of seasonal pattern of nitrogen fertilizer application and annual stocking rate

Grass and Forage Science

Volumn 53, Issue 3, 1998, Pages 279-286

  Maxwell, T J ^a   Sibbald, A R ^a   Dalziel, A J I ^a   Agnew, R D M ^a  

^a SCOTTISH CROP RESEARCH INSTITUTE   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

FERTILIZER APPLICATION; GRAZING MANAGEMENT; PRODUCTIVITY; SHEEP; STOCKING DENSITY; UPLAND REGION;

UNITED KINGDOM;

ANIMALIA; LOLIUM PERENNE; OVIS; OVIS ARIES;

EID: 0345561645     PISSN: 01425242     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-2494.1998.00140.x     Document Type: Article

References (8)

1. BARTHRAM G.T. (1986) Experimental techniques: the HFRO sward stick. In: ALCOCK, M.M. (ed.) The Hill Farming Research Organisation Biennial Report 1984-85. Edinburgh. pp. 29-30.
2. LAWES AGRICULTURAL TRUST (1987) Genstat V Reference Manual. Oxford: Clarenden Press.
3. MAXWELL T.J., SIBBALD A.R., DALZIEL A.J.I., AGNEW R.D.M. and ELSTON D.A. (1994) The implications of controlling grazed sward height for the operation and productivity of upland sheep systems in the UK. 1. Effects of two annual stocking rates in combination with two sward height profiles. Grass and Forage Science, 49, 73-88.
4. MAXWELL T.J., SIBBALD A.R., JONES J.R., MUNRO J.M.M. and REES M.E. (1997) The implications of controlling grazed sward height for the operation and productivity of upland sheep systems in the UK. 3. The effect of choice of genotype, level of nitrogen fertilizer and lamb:ewe ratio. Grass and Forage Science, 52, 258-268.
5. MITCHELL B.D. and JARVIS R.A. (1956) Memoirs of the Soil Survey of Great Britain. The Soils of the Country Around Kilmarnock. Edinburgh: HMSO.
6. MLC (1981) Feeding the Ewe. Milton Keynes: Meat and Livestock Commission Sheep Improvement Services.
7. SAC. (1997) Farm Management Handbook 1997/98. pp. 222-223. Edinburgh: SAC.
8. SIBBALD A.R., MAXWELL T.J., MORGAN T.E.H. and JONES J.R. and REES M.E. (1994) The implications of controlling grazed sward height for the operation and productivity of upland sheep systems in the UK. 2. Effects of two annual stocking rates in combination with two levels of fertilizer nitrogen. Grass and Forage Science, 49, 89-95.