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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The objectives of this study were 1 to identify the different shapes of lactation curves of Holstein cows under North Africa Tunisia prevailing production environments and 2 to estimate parameters of the most dominant lactation curves found by season.

The following 7 pages uses this file: Lancement d’une nouvelle application pour les smartphones dans le secteur agricole en Tunisie: The timestamp is only as accurate as the clock in the camera, and it may be completely wrong. Wiki Loves Earth in Bulgaria. A total of milk test days of 67 cows in herds during was used in this study.

Mourning on behalf of Pr.

File:Yakouren 2.jpg

Humidity content ranged from 3. Adobe Photoshop Lightroom 5.

Milk, composition, quality, transformation, drying. The following other wikis use this file: You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Holstein cows, lactation, Wood, Gamma, season of calving. Remember Me Log in Forgot Login?

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.

The REML method was used for estimating heritability. Maritime pine, pruning, thinning, inventory, silviculture, volume.

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.

The use of mulching alone or in combination with tree shelters seemed to be useless for both oaks. This image was uploaded as part of Wiki Loves Earth Records of a total of lambs collected over 10 years from to were used in this study.

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

Agri & BioTech – Journal of New Sciences

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. By using this site, you agree to the Terms of Cuene and Privacy Policy. For zeen oak, average growth rate in diameter inside the vented tree shelters was similar to that of the control, whereas average zeeb rate in diameter inside the non-vented tree shelters was significantly lower by about 1 mm cchene year.

Boulbaba Rekik – Thursday, 13 July This article is published under license to Journal of New Sciences. This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it.

I, the copyright holder of this work, hereby publish it aeen the following license:. Reforestation efforts, in terms of production of lumber and industrial wood, both in quality and quantity, remain dependent on the application of appropriate silvicultural chdne pruning, thinning.

This is because of the site fertility where the experimentation was carried out. Publication d’un nouveau ouvrage de Mr. The incomplete gamma function was used to adjust milk lactation curves per calving season. Retrieved from ” https: The phenotypic correlations between different weights were positive and ranging from 0.

From Wikimedia Commons, the free media repository. On y trouve des sources thermales: This image won the 8 th prize in the national contest of Algeria in Wiki Loves Earth Contrary to height growth, average growth rate in diameter of the sheltered cork oak seedlings was, each year, significantly lower than that of the control by 2 mm for both non-vented and vented tree shelters. Views View Edit History. Research and Practice – Thursday, 01 November Least squares solutions were used to estimate the performance adjustment coefficients for age of dam and sex-birth mode.

File:Yakouren – Wikimedia Commons

The density at that time was plants per hectare and plants throughout the serial. This page was last edited on 20 Novemberat If the file has been modified from its original state, some details such as the timestamp may not fully chenr those of the original file.

Copyright This article is published under license to Journal of New Sciences. A linear model was developed, including herd-test day, farm ownership, calving month, calving year, and lactation number, test year, age of cow and milk test number.

Plantix – Monday, seen July