NAS 203 ML 1976 Rotational cultivations experiment
NAS 203 2 ML 1984 Effect of rotational cultivations on weed beet
NAS 206 ML CC94 1986 Straw incorporation on light land
NAS 206 ML CC94 1988 Straw incorporation on light land
NAS 206 ML CC94 1989 Straw incorporation on light land
NAS 206 ML CC94 1990 Straw incorporation on light land
NAS 206 ML CC94 1992 Straw incorporation on light land