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Mixtures of equal numbers of plants of different barley varieties or of a barley variety and an oat variety were grown in 5 field trials and 1 glassho...
Read moreLupinus arboreus rapidly colonizes micaceous china clay wastes, which are deficient in N, P, Ca and K. N accumulated at rates of about 180 Kg ha-1y-1 ...
Read moreA study in young lodgepole pine forest near Prince George, BC, Canada, from 1979 to 1983 during the late increase, peak and decline phases of the Lepu...
Read moreEstimates of water used by irrigated cotton crops, obtained by micrometeorological methods, soil water sampling and lysimetry, were related to Penman'...
Read moreA simple model was constructed which predicted the rates of leaf photosynthesis (Fc) of the temperate C4 species S. townsendii, in the field, from the...
Read moreAs the crop developed and the sun's declination changed, mean values per day of the reflection coefficient increased from 0.15-0.23. After rain or irr...
Read moreSeasonal changes in the photosynthesis of tea were measured with a 14C technique during two years in Malawi. Photosynthesis did not decrease at the be...
Read moreBlocks of onion plants were either caged with honeybee colonies or left uncaged. Although the uncaged plants produced fewer umbels, the weight of seed...
Read moreShoot growth rates of perennial ryegrass cv. S24 were examined in spring and autumn in relation to seasonal changes in temperature in the region of th...
Read moreThis study describes a modified mowing regime that allowed green-winged orchids Anacamptis morio, discovered in 1985 on coastal grassland on a rifle r...
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