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Determinations of the phosphorus adsorption characteristics of a range of heathland soils are described and related to differences in phosphorus econo...
Read moreFour models for predicting budburst in northern broadleaved trees, based on response to spring warming alone, or with the response to spring warming m...
Read moreReports the effects of seasonal grazing by sheep on young Juniperus communis for seven years from 1966 on IBP grazing plots at Aston Rowant national n...
Read moreBees foraging for nectar on flowers of cultivars with deep corolla tubes and large floral parts found it difficult to reach the inner nectaries. They ...
Read moreIndigenous sorghum varieties in N. Nigeria yielded best in their own localities. All local varieties of a locality tended to flower at the same time e...
Read moreThe effects of population density and row spacing on the growth and solar radiation interception of sorghum were measured from 1980-81 to 1983-84 in i...
Read moreThe amount of pollen of the appropriate species borne on the body of an insect is presumed to be an important factor in assessing its value as a polli...
Read moreBuffelgrass (Cenchrus ciliaris syn. Pennisetum ciliare) was introduced to Sonoran Desert in the early 20th century and has become widespread at low el...
Read moreThe rate of increase of Erysiphe graminis f. sp. hordei, in the stands grown in small field plots, was directly related to the proportion of barley in...
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