ENS 0306 A4 1936 Preparation of sugar beet seedbeds
ENS 0307 A4 1938 Preparations of sugar beet seedbeds
1967 Seedbed cultivations and herbicides for sugar beet 1
1968 Seedbed cultivations and herbicides for sugar beet
1969 Seedbed cultivations and herbicides for sugar beet
NAS 169 ML Seedbed cultivations and manuring for sugar beet
NAS 169 A4 1970 Seedbed cultivations and manuring for sugar beet
NAS 165 A4 1970 Shallow cultivations for sugar beet
NAS 165 ML 1971 Shallow cultivations for sugar beet
NAS 165 ML 1972 Shallow cultivations for sugar beet
NAS 501 ML 1972 Subsoiling time of ploughing and seedbed preparation for sugar beet
NAS 501 ML 1973 Subsoiling time of ploughing and seedbed preparation for sugar beet
NAS 501 ML 1974 Subsoiling time of ploughing and seedbed preparation for sugar beet
NAS 502 ML 1972 Cultivations for spring barley after late lifted sugar beet
NAS 502 ML 1973 Cultivations for spring barley after late lifted sugar beet
NAS 502 ML 1974 Cultivations for spring barley after late lifted sugar beet rotary plough
NAS 502 ML 1974 Cultivations for spring barley after late lifted sugar beet
NAS 502 ML 1975 Cultivations for spring barley after late lifted sugar beet
NAS 508 ML 1975 Primary and seedbed cultivations for sugar beet direct drilling
NAS 508 ML 1976 Primary and seedbed cultivations for sugar beet
NAS 520 ML 1980 Strip tillage of sugar beet into a cereal stubble on medium soil
NAS 520 ML 1981 Strip tillage of sugar beet into a cereal stubble on medium soil
NAS 521 ML 1982 Strip tillage of sugar beet into a cereal stubble on light sandy soil
NAS 529 O 1983 Strip tillage of sugar beet into cereal stubble on heavy land
NAS 529 O 1984 Strip tillage of sugar beet into cereal stubble on heavy land
NAS 531 O 1983 Cultivations for sugar beet on light compactable soil
NAS 531 O 1984 Cultivations for sugar beet on light compactable soil
NAS 531 O 1985 Cultivations for sugar beet on light compactable soil
NAS 534 ML 1984 Cultivation systems for sugar beet
NAS 534 ML 1985 Cultivation systems for sugar beet
NAS 534 ML 1986 Cultivation systems for sugar beet
NAS 534 ML 1987 Cultivation systems for sugar beet
NAS 537 ML 1986 Methods of drilling sugar beet on pressed land
NAS 537 ML 1987 Methods of drilling sugar beet on pressed land
NAS 537 ML 1988 Methods of drilling sugar beet on pressed land
NAS 546 1991 Establishment of autumn cover crops to reduce nitrate leaching before sugar beet
NAS 546 1992 Establishment of autumn cover crops to reduce nitrate leaching before sugar beet