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Results are reported from a mechanical diallel experiment with Avena fatua, A. ludoviciana, A. strigosa and oats cv. Blenda. Relative yield totals bas...
Read moreAverage summer sheep population densities in ewe units/ha at 56 sites in Snowdonia in 1957-68 were 4.99-10.65 on herb-rich Agrostis tenuis/Festuca ovi...
Read moreA method is described of mapping hill vegetation and of relating the map produced to animal distributions by recording both sets of data on a 10-m gri...
Read moreAn experiment was conducted over 13 years at Moor House National Nature Reserve in the N. Pennines to examine the effects of clipping and removal on m...
Read more3 winter annuals were grown under glasshouse conditions to evaluate their behaviour under varying soil moisture stress and population density. The red...
Read moreLeaf extension rates of perennial ryegrass cv. S24 were examined in the field in relation to seasonal changes in soil and air temperature. A technique...
Read moreTemperatures were measured in a perennial ryegrass crop in the field and an attempt was made to relate temperature to growth. The instruments used are...
Read moreEnergy and N removal by cattle from a shortgrass prairie ecosystem [botanical composition not stated] in N. Colorado were determined. Grazing intensit...
Read more[Cf. FA 34, 3826; 35, 7073] The fourth part of a study concerned entirely with photosynthesis in P. sitchensis. The CO2 and water-vapour exchanges of ...
Read moreEstimates for various components of above-ground biomass are presented for naturally regenerated stands of Pseudotsuga menziesii, 22, 30, 42 and 73 ye...
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