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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...

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

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...

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...

In an investigation of the relation between weather and the growth of barley, the approach used depended on calculation of the exchange of CO2 and wat...

The problems of computer analysis of data collected in a long-term field study [see preceding abs.] are outlined. Methods of capture are discussed and...

Barley cv. Proctor grown over a wide range of conditions had a relatively stable mean weight/grain of 34.9 ( plus or minus 2.84) mg (range 29.3-41 mg)...

Competing land-use demands for agriculture and nature conservation is one of the most significant global challenges. To improve the health of landscap...