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Statistical analysis of wheat root growth patterns under conventional and no-till systems
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UNSPECIFIED (1996) Statistical analysis of wheat root growth patterns under conventional and no-till systems. SOIL & TILLAGE RESEARCH, 38 (1-2). pp. 1-16. ISSN 0167-1987
Full text not available from this repository.Abstract
This is a preliminary study to find methods of quantifying and comparing root growth patterns in an agricultural soil under different tillage regimes. We tested the effectiveness of the use of variance-mean ratios and frequency histograms from counts in quadrats. Wheat plants (Triticum aestivum L. cv. 'Biggar') were grown in undisturbed soil samples from two adjacent fields, one under no tillage for the previous 10 years, the other under conventional tillage for 9 years. Root contact points on horizontal plane sections of the samples were mapped. Statistical analysis of the root patterns indicated clustering; testing the hypotheses of pure-Poisson, Neyman type A and negative binomial distributions showed that the Neyman type A is the most suitable, Analysis of root distributions along with root and top biomass detected no significant difference between the two tillage treatments except a trend for increased rooting in the upper layer of the untilled soil.
| Item Type: | Journal Article |
|---|---|
| Subjects: | S Agriculture |
| Journal or Publication Title: | SOIL & TILLAGE RESEARCH |
| Publisher: | ELSEVIER SCIENCE BV |
| ISSN: | 0167-1987 |
| Date: | August 1996 |
| Volume: | 38 |
| Number: | 1-2 |
| Number of Pages: | 16 |
| Page Range: | pp. 1-16 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/18353 |
Data sourced from Thomson Reuters' Web of Knowledge
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