TY  - CHAP
AU  - Wratten, S.D.
AU  - Jenkins, T.
AU  - Merfield, C.N.
PY  - 2003
BT  - Farm technical manual
ED  - Fleming, P.H.
CT  - Organic Agriculture
CY  - Lincoln, New Zealand
PB  - Farm Management Group, Lincoln University
SP  - G1, G23