Effects of Tillage Systems on the Physical Properties of Soils in a Semi-Arid Region of Morocco

Climate change, drought, erosion, water contamination resources, desertification, and loss of soil quality represent major environmental risks worldwide. Facing these risks is the most important issue for sustainable development. Conventional tillage (CT) practices seem to expose the soils of semi-a...

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Main Authors: Abdelali El Mekkaoui, Rachid Moussadek, Rachid Mrabet, Ahmed Douaik, Rachid El Haddadi, Outmane Bouhlal, Mariyam Elomari, Matike Ganoudi, Abdelmjid Zouahri, Said Chakiri
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Agriculture
Subjects:
Online Access:https://www.mdpi.com/2077-0472/13/3/683
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author Abdelali El Mekkaoui
Rachid Moussadek
Rachid Mrabet
Ahmed Douaik
Rachid El Haddadi
Outmane Bouhlal
Mariyam Elomari
Matike Ganoudi
Abdelmjid Zouahri
Said Chakiri
author_facet Abdelali El Mekkaoui
Rachid Moussadek
Rachid Mrabet
Ahmed Douaik
Rachid El Haddadi
Outmane Bouhlal
Mariyam Elomari
Matike Ganoudi
Abdelmjid Zouahri
Said Chakiri
author_sort Abdelali El Mekkaoui
collection DOAJ
description Climate change, drought, erosion, water contamination resources, desertification, and loss of soil quality represent major environmental risks worldwide. Facing these risks is the most important issue for sustainable development. Conventional tillage (CT) practices seem to expose the soils of semi-arid regions, which are initially fragile, to degradation that is accentuated by the overuse of the environment. The benefits of conservation agriculture (CA) could mitigate the degradation of natural resources, particularly soils. The adaptation and transfer of the no-till (NT) system with mulch open new perspectives for the development of agriculture in semi-arid regions. The main objective of this study is to assess the impact of conservation agriculture, especially no-till (NT) system, on the physical properties of soil (structural stability (SS), bulk density (BD), gravimetric water content (<i>θg</i>), and soil organic matter (SOM)) compared to conventional tillage (CT). The main changes associated with the transition from a CT system to an NT system were evaluated at the experimental site, Merchouch (M13), which is typified by vertisol soil, and at the Ain Sbit (AS7) site, which is characterized by isohumic soil. Under a no-till system, most of the physical properties of the soil were improved in both sites, with a clear difference in the M13 site. Structural stability under NT showed a significant increase in both sites (fast wetting (FW), slow wetting (SW), and wet stirring (WS) improved by 88, 43, and 83% at the M13 site, respectively, against, 16, 23, and 7%, respectively, at the AS7 site). On the other hand, the SOM increased from 2.0 to 2.6% (an improvement of 28%) at AS7 and from 1.2% to 1.9% (an improvement of 52%) at M13. This research demonstrated that conservation agriculture, especially NT, improves the soil physical quality in both medium and long terms, confirming its suitability for the climatic and edaphic constraints of semi-arid areas in Morocco as well as in other parts of the world.
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spelling doaj.art-ab477d2bc1454b7094796c8e278429c72023-11-17T09:02:00ZengMDPI AGAgriculture2077-04722023-03-0113368310.3390/agriculture13030683Effects of Tillage Systems on the Physical Properties of Soils in a Semi-Arid Region of MoroccoAbdelali El Mekkaoui0Rachid Moussadek1Rachid Mrabet2Ahmed Douaik3Rachid El Haddadi4Outmane Bouhlal5Mariyam Elomari6Matike Ganoudi7Abdelmjid Zouahri8Said Chakiri9Research Unit on Environment and Conservation of Natural Resources, Regional Center of Agricultural Research of Rabat, National Institute of Agricultural Research, Avenue Ennasr, P.O. Box 415 Rabat Principale, Rabat 10090, MoroccoResearch Unit on Environment and Conservation of Natural Resources, Regional Center of Agricultural Research of Rabat, National Institute of Agricultural Research, Avenue Ennasr, P.O. Box 415 Rabat Principale, Rabat 10090, MoroccoResearch Unit on Environment and Conservation of Natural Resources, Regional Center of Agricultural Research of Rabat, National Institute of Agricultural Research, Avenue Ennasr, P.O. Box 415 Rabat Principale, Rabat 10090, MoroccoResearch Unit on Environment and Conservation of Natural Resources, Regional Center of Agricultural Research of Rabat, National Institute of Agricultural Research, Avenue Ennasr, P.O. Box 415 Rabat Principale, Rabat 10090, MoroccoLaboratory of Geosciences, Faculty of Sciences, University Ibn Tofaïl, BP 133, Kenitra 14000, MoroccoTeam of Anthropogenetics and Biotechnologies, Faculty of Sciences, Chouaib Doukkali University, P.O. Box 20, El-Jadida 24000, MoroccoLaboratory of Geosciences, Faculty of Sciences, University Ibn Tofaïl, BP 133, Kenitra 14000, MoroccoResearch Unit on Environment and Conservation of Natural Resources, Regional Center of Agricultural Research of Rabat, National Institute of Agricultural Research, Avenue Ennasr, P.O. Box 415 Rabat Principale, Rabat 10090, MoroccoResearch Unit on Environment and Conservation of Natural Resources, Regional Center of Agricultural Research of Rabat, National Institute of Agricultural Research, Avenue Ennasr, P.O. Box 415 Rabat Principale, Rabat 10090, MoroccoLaboratory of Geosciences, Faculty of Sciences, University Ibn Tofaïl, BP 133, Kenitra 14000, MoroccoClimate change, drought, erosion, water contamination resources, desertification, and loss of soil quality represent major environmental risks worldwide. Facing these risks is the most important issue for sustainable development. Conventional tillage (CT) practices seem to expose the soils of semi-arid regions, which are initially fragile, to degradation that is accentuated by the overuse of the environment. The benefits of conservation agriculture (CA) could mitigate the degradation of natural resources, particularly soils. The adaptation and transfer of the no-till (NT) system with mulch open new perspectives for the development of agriculture in semi-arid regions. The main objective of this study is to assess the impact of conservation agriculture, especially no-till (NT) system, on the physical properties of soil (structural stability (SS), bulk density (BD), gravimetric water content (<i>θg</i>), and soil organic matter (SOM)) compared to conventional tillage (CT). The main changes associated with the transition from a CT system to an NT system were evaluated at the experimental site, Merchouch (M13), which is typified by vertisol soil, and at the Ain Sbit (AS7) site, which is characterized by isohumic soil. Under a no-till system, most of the physical properties of the soil were improved in both sites, with a clear difference in the M13 site. Structural stability under NT showed a significant increase in both sites (fast wetting (FW), slow wetting (SW), and wet stirring (WS) improved by 88, 43, and 83% at the M13 site, respectively, against, 16, 23, and 7%, respectively, at the AS7 site). On the other hand, the SOM increased from 2.0 to 2.6% (an improvement of 28%) at AS7 and from 1.2% to 1.9% (an improvement of 52%) at M13. This research demonstrated that conservation agriculture, especially NT, improves the soil physical quality in both medium and long terms, confirming its suitability for the climatic and edaphic constraints of semi-arid areas in Morocco as well as in other parts of the world.https://www.mdpi.com/2077-0472/13/3/683conservation agricultureconventional tillageno-tillage systemphysical propertiessoil qualityvertisol
spellingShingle Abdelali El Mekkaoui
Rachid Moussadek
Rachid Mrabet
Ahmed Douaik
Rachid El Haddadi
Outmane Bouhlal
Mariyam Elomari
Matike Ganoudi
Abdelmjid Zouahri
Said Chakiri
Effects of Tillage Systems on the Physical Properties of Soils in a Semi-Arid Region of Morocco
Agriculture
conservation agriculture
conventional tillage
no-tillage system
physical properties
soil quality
vertisol
title Effects of Tillage Systems on the Physical Properties of Soils in a Semi-Arid Region of Morocco
title_full Effects of Tillage Systems on the Physical Properties of Soils in a Semi-Arid Region of Morocco
title_fullStr Effects of Tillage Systems on the Physical Properties of Soils in a Semi-Arid Region of Morocco
title_full_unstemmed Effects of Tillage Systems on the Physical Properties of Soils in a Semi-Arid Region of Morocco
title_short Effects of Tillage Systems on the Physical Properties of Soils in a Semi-Arid Region of Morocco
title_sort effects of tillage systems on the physical properties of soils in a semi arid region of morocco
topic conservation agriculture
conventional tillage
no-tillage system
physical properties
soil quality
vertisol
url https://www.mdpi.com/2077-0472/13/3/683
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