Case study of the application of BRF "Bois Raméaux Fragmentés" in na clay soil of the state of Ceará and potentialities of use in brazilian northeast
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Notice bibliographique
Résumé
Currently, cashew is one of the sectors that grow exponentially per year, becoming the state of Ceará and the largest producers of nuts and cement derivatives of the Northeast region. An important operation in the management of cashew trees is a pruning. Pruning is an important cultural practice for the production of plants, with a direct influence on the shape of the crown and the layout of the plant. With the large volume of pruning, the wood often ends up serving as wood for bakeries, pottery, and ceramics, and often it is burned open in the orchard itself. In this way, there is a need to relocate the wood that is burned in the open, for economic and environmental benefits. The BRF, Bois Raméaux Fragmentés, is a technique of Canadian origin, in which it consists of the fragmentation of tree branches for their application on the soil surface, with the objective of covering, nourishing and recovering the soil, improving a physical, chemical quality And biological of it. The objective was to evaluate a BRF technique in a Red-yellow Argisol and its non-Northeastern potentialities, analyzing the parameters of temperature, humidity and water infiltration without soil. The experiment was conducted in the experimental area of the Agricultural Engineering Department of the Federal University of Ceará, Campus do Pici, Fortaleza, Ceará. The cashew branches (Anacardium occidentale) were used and were selected with a diameter smaller than 7 cm, where they were ground by means of a tree crusher.The experiment had 4 treatments: 200 m3/ha BRF on the soil, 200 m3/ha of BRF incorporated into the soil, 150 m3/ha of BRF incorporated into the soil and bare soil. Each work has 6 repetitions. To evaluate soil temperature were used a digital multimeter and thermometer, To evaluate the humidity of the standard oven drying method (gravimetric), to evaluate a water infiltration without the use of a ring infiltrator. The results were analyzed using Minitab Software - Version 16. It Was verified that an application of the BRF did reduce the soil temperature and raised the soil moisture. In addition, it was possible to observe that the temperature was reduced more significantly with a BRF application incorporated into the soil. When analyzing the infiltration of water in the soil it was noticed that the application of BRF in the soil did not modify the speed of basic infiltration of the soil.
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Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,001 | 0,001 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle