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Replacement and additive designs are compared for their ability to provide valid and interpretable measures of (a) resource complementarity, i.e. rela...

Energy and N removal by cattle from a shortgrass prairie ecosystem [botanical composition not stated] in N. Colorado were determined. Grazing intensit...

Temperatures were measured in a perennial ryegrass crop in the field and an attempt was made to relate temperature to growth. The instruments used are...

Leaf extension rates of perennial ryegrass cv. S24 were examined in the field in relation to seasonal changes in soil and air temperature. A technique...

3 winter annuals were grown under glasshouse conditions to evaluate their behaviour under varying soil moisture stress and population density. The red...

An 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...

A 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...

Average 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...

Preliminary estimates suggested that maize contributed 30% of the toal food biomass consumed by the birds during the post-breeding roosting phase, and...

Results are reported from a mechanical diallel experiment with Avena fatua, A. ludoviciana, A. strigosa and oats cv. Blenda. Relative yield totals bas...