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Chemical weed control in rose nursery fields
, 1955 B. E. Day, Robert C. Russell
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Federal-grant research at the state agricultural experiment stations : projects on weed control
, 1958 openalex +2 more sources
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1993
Weeds have been a major problem in sugar beet since the crop was first grown in the late 1700s. At the end of the eighteenth century, Achard (1799) was already stressing the need to control weeds before the crop was sown. He also noted that once sugar beet was clear of competition from early-emerging weeds it would grow vigorously and smother weeds ...
Robert G. Wilson, M. J. May
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Weeds have been a major problem in sugar beet since the crop was first grown in the late 1700s. At the end of the eighteenth century, Achard (1799) was already stressing the need to control weeds before the crop was sown. He also noted that once sugar beet was clear of competition from early-emerging weeds it would grow vigorously and smother weeds ...
Robert G. Wilson, M. J. May
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Weed species and weed communities
Vegetatio, 1978One of the most satisfying experiences of phytosociological work is the moment when out of the mass of amorphous data begins to crystallize a lattice of general principles and an understanding of vegetation and its ecology. But if one works still further and gathers more and more knowledge in one and the same field, one reaches a deeper level. The more
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