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41
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42
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43
Proceedings of the conference on weed control in rice, 31 August-4 September 1981.
Gepubliceerd in 1983Boek -
44
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45
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46
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47
Shifts in weed and weed seed population under different multiple cropping patterns [microform]
Gepubliceerd in 1981Visual Material -
48
Interaction of rate and time of nitrogen application and weed control methods in upland rice [microform].
Gepubliceerd in 1980Visual Material -
49
Effect of weed control methods and nitrogen fertilization on yield and yield components of sorghum after paddy rice [microform]
Gepubliceerd in 1980Visual Material -
50
