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The dynamics of a virus disease in a perennial plant population are modelled. The population is divided into healthy, latently infected, infectious an...
Read moreThe apple orchards studied had discontinuous bush-and hedge-type canopies of mean leaf-area indexes of 1-1-4. These values were low, owing to the exis...
Read moreRelative rate of increase of leaf area per plant was measured in field beans during May-Aug. 1966. In the early stages of growth, until LAI reached ab...
Read moreEquations are developed for estimating plant DM production. Estimates for a range of crops growing between 14 deg S. and 43 deg N. agreed well with me...
Read moreScaling insurance to transfer climate risk from the rural poor to financial markets is vital to enhance agricultural risk management in developing cou...
Read moreData are given on daily net photosynthesis (determined gasometrically using a field-chamber technique), solar radiation, canopy structure and foliage ...
Read moreThe findings of the Learning in Local Greenspace (LILG) project in this evaluation report are the following: good progress was made on reducing barrie...
Read moreThe fitted lines relating total and matric suctions to water content of a coarse sandy loam were significantly different but nevertheless very similar...
Read moreEnvironmental valuation provides a way of soliciting and organising information about how people relate to their environments. By canvassing a broad s...
Read moreIn Rhodesia, studies were made of Glossina morsitans morsitans Westw. and G. pallidipes Aust. captured from stationary sources of ox odour (electric t...
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