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The cereal aphid outbreaks of 1979 (Metopolophium dirhodum) and 1980 (Sitobion avenae) and their lower populations in 1981, in Norfolk, eastern Englan...
Read moreThe production of current season growth by Coleogyne ramosissima was determined by length measurement in Sept. when the twigs were dormant. Percentage...
Read moreSoyabeans cv. Davis were grown in the field in open-top chambers ventilated with charcoal-filtered air, non-filtered air or non-filtered air to which ...
Read moreSorghum cv. Funk's 522 was grown in 1978 followed by rye cv. Abruzzi under conventional tillage (CT) (disc ploughing) or no tillage (NT). Soyabean cv....
Read moreA sward of perennial ryegrass cv. S23 grown during 1979-81 was treated on 20 April with 130 kg N/ha as ammonium nitrate doubly labelled with 15N, foll...
Read moreThe effect of root and shoot competition and the application of 300 kg molybdenized superphosphate plus 50 kg N/ha on the growth of green panic seedli...
Read moreSeed of 4 ecotypes of Digitaria milanjiana with different dormancy characteristics related to climatic origin were exposed at the soil surface during ...
Read moreThe effects of mechanical control methods and foliar sprays of fosamine ammonium, 2,4,5-T and triclopyr, singly or in combination, were assessed on Be...
Read moreNutrient compartmentation was studied in grassland consisting predominantly of Agrostis tenuis [=A. capillaris], Holcus lanatus and Anthoxanthum odora...
Read moreThe use of E. stagnina, the major component of the emergent vegetation of Lake Kainji, is described. A simple model of the colonization potential of E...
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