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A method of estimating the closure and strength of lining required in drivages surrounded by a yield zone

✍ Scribed by A.H. Wilson


Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
604 KB
Volume
17
Category
Article
ISSN
0148-9062

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πŸ“œ SIMILAR VOLUMES


Genotypic and environmental variation in
✍ R. C. Hardwick; D. J. Andrews πŸ“‚ Article πŸ“… 1980 πŸ› Springer 🌐 English βš– 665 KB

Because yield components do not behave as independent attributes the conclusions derived from simple yield analyses are of limited value in plant breeding programmes. By calculating a function W of the variances and covariances of the yield components, it is possible to estimate, on a scale from 0 t