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Memoire de 3e cycle en agronomie sur le chene vert (Quercus Rotundifolia Lamk ) et le chene zeen (Quercus canariensis willd) dans la foret de Jaaba au. See more of DZplante on Facebook. Log In. Forgot account? or. Create New Account. Not Now. English (US) · Español · Português (Brasil) · Français (France) ·. Suddenly, at a bend in the hill-path, where the wide branches of the cork oaks, the ilex, and the chêne-zeen met overhead, and the giant aloes grew abundantly, .

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Wiki Loves Earth in Bulgaria. Reforestation efforts, in terms of production of lumber and industrial wood, both in quality and quantity, remain dependent on the application of appropriate silvicultural methods pruning, thinning.

This page was last edited on 20 Novemberat This image was uploaded as part of Wiki Loves Earth You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Tree shelters did not have a significant effect on the seedlings survival rate for both oaks, whereas they significantly improved their height growth compared to unsheltered seedlings; average growth rate in height inside non-vented and vented tree shelters was each year significantly greater, respectively, by 7.

File:Yakouren – Wikimedia Commons

Maritime pine, pruning, thinning, inventory, silviculture, volume. Plantix – Monday, 10 July I, the copyright holder of this work, hereby publish it under the following license:. Adobe Photoshop Lightroom 5. Remember Me Log in Forgot Login? Humidity content ranged from 3. This article is published under license to Journal of New Sciences. By using this site, you agree to the Terms of Use and Privacy Policy.


The use of mulching alone or cgene combination with tree shelters seemed to be useless for both oaks. A linear model including the livestock sector state or privatefarm-herd-year of birth-lambing season, maternal age, and sex-mode of birth was used to identify the main sources of variation in the growth of Barbarine.

Three organic mulches Italian Stone Pine, Lentisk, a combination of Italian Stone Fhene and Lentiskan inorganic mulch gravel and no mulch and two tree shelter types non-vented, vented and control were tested.

File:Yakouren 2.jpg

This image won the 8 th prize in the national contest of Algeria in Wiki Loves Earth Publication d’un nouveau ouvrage de Mr. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong. From Wikimedia Commons, the free media repository. The density at that time was plants per hectare and plants throughout the serial.

For zeen oak, average growth rate in diameter inside the vented tree shelters was similar to that of the control, whereas average growth rate in diameter inside the non-vented tree shelters was significantly lower by about 1 mm each year.

Milk, composition, quality, transformation, drying. The phenotypic correlations between different weights were positive and ranging from 0. Sector, age of dam, fhene of birth, and farm-herd-year-in-season combination were found to be the major factors that significantly affect lamb growth from birth to weaning at 90 days. Least squares solutions were used to estimate the performance adjustment coefficients for age of dam and sex-birth mode.


Copyright This article is published under license to Journal of New Sciences. Records of a total of lambs collected over 10 years from to were used in this study.

Waterfalls in Tizi Ouzou Province. The incomplete gamma function was used to adjust milk lactation curves per calving season. On y trouve des sources thermales: Contrary to height growth, average growth rate in diameter of the sheltered cork oak seedlings was, each year, significantly lower than that chhene the control by 2 mm for both non-vented and vented tree shelters.

Although the physicochemical characteristics of raw milk, intended for drying, comply with the required standards, they nevertheless remain very variable from one delivery to another, and caused instability in the composition of the produced skimmed milk powder from one batch to another. Retrieved from ” https: Mourning on behalf of Pr. Research and Practice – Thursday, 01 November