- Discussion on Sustainable Water Technologies for Peri-Urban Areas of Mexico City: Balancing Urbanization and Environmental Conservation

doi:10.1201/b17304-8

Cited by 15 publications

(23 citation statements)

References 20 publications

(22 reference statements)

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“…Desert farming is not only a challenge for irrigation systems with impact on the global water balance, it can also have an impact on soil microbial diversity. Changes of soil bacterial diversity, especially reduced beta diversity, was shown to occur in a semi-arid ecosystem as a consequence of land use for agriculture with potential irreversible consequence on the natural soil ecosystem (Ding et al 2013). To avoid this risk and to establish sustainable desert farming systems it is important to understand diversity in arid and saline environments.…”

mentioning

confidence: 99%

Plant-Microbe Interactions and Water Management in Arid and Saline Soils

Daffonchio

Hirt

Berg

2014

Principles of Plant-Microbe Interactions

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Drought and salinity are major factors limiting agriculture in many regions in the world, and their importance is predicted to even increase in the near future in parallel with the ongoing global warming and climate changes. Soil and rhizosphere microbes are potential resources for counteracting such abiotic stresses in plants. The knowledge on the roles of root microorganisms in retaining soil humidity and promoting plant growth under such abiotic stresses is analyzed in this chapter. The importance of microbial diversity in the rhizosphere for alleviating drought and salinity effects on the plant physiology is discussed in the light of "Desert Farming", the general crop management practice that is frequently used in arid regions. The plant growth promoting functional services exerted by microorganisms within the rhizosphere in arid soils are presented in relation to the plant response under water stress. The Effects of Drought and Salinity on Plant PhysiologyA major challenge for future agriculture is to cope with the increasing demand for food production, facing a constantly increasing world population. This growing demand for agricultural production is paralleled by dramatic losses of arable land due to enhanced soil destruction and erosion. Drought and soil salinity are the two major environmental factors that limit plant growth and development thereby negatively affecting agricultural yield by more than 60%. Water shortage is critical in many areas of the world and is usually countered by extensive irrigation. Although the planet earth is rich in water, not only the water of the oceans, but also most inland water resources are highly saline. Moreover, irrigation usually results in soil salinization making drought and soil salinity increasing agricultural problems (Bartels and Sunkar 2005).To convert deserts into arable, green landscape is a global vision as well as competent answer to world hunger and climate change (Clery 2011). Desert farming, which generally relies on irrigation, is part of this vision. Agriculture systems were already developed in arid

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mentioning

confidence: 99%

Plant-Microbe Interactions and Water Management in Arid and Saline Soils

Daffonchio

Hirt

Berg

2014

Principles of Plant-Microbe Interactions

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“…They also help restore the balance of minerals and organic matter of soils and allow the use of raw materials from crop residues and underused local resources, such as manure, minerals, herbs and/or natural repellents (garlic, onion, chili, etc.) with the consequent reduction of costs [11,20,29,40]. In addition, control of production processes is given to local producers creating employment in the communities, increasing their self-sufficiency and their ability to adapt to changes [9,18].…”

Section: Expected Resultsmentioning

confidence: 99%

“…Therefore, even though the price of commercialized products will remain the same, the direct cost-benefit relation will be more favorable to the farmers. Other important benefits will be obtained, such as improving the soil quality, reducing environmental impacts and diminishing dependence with the exterior [11,18,29]. These factors will considerably improve the agricultural land conditions that future generations will inherit.…”

Section: Methodsmentioning

confidence: 99%

“…2 AGRICULTURE CONTEXT AND CHALLENGES Drastic land use changes have occurred in the past 40 years in grain producing countries such as Mexico, and have come with severe consequences being deforestation and land degradation for manure and grains of the most important [10,11]. Even though every single modification of the natural environment means losing its original characteristics, it has been the adoption of a monoculture agribusiness model what has caused the rapid devastation of agroecosystems in the country (Photograph 1).…”

Section: Aim and Structurementioning

confidence: 99%

“…The environment in the region would be favored with reduced agriculture impacts, improved water quality and increased soil microbiota and minerals. The latter is of major importance for the serious problems of soil nitrification and filtration of chemicals to aquifers in the region due to cropping activities [11,20].…”

Section: Diagnosismentioning

confidence: 99%

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The practice of sustainability in response to the challenges of agriculture in Mexico

Calleros-Islas¹

2017

Int. J. DNE

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In Mexico, as in most food producing countries, a complex problem is found in the convergence of a need for a change in the current agro-industrial model for economic, social and environmental reasons and growing food demand. While the existence of strong economic barriers that question the continuity of conventional agribusiness is recognized, it is observed that alternatives such as organic farming have emerged within the same productive and commercial model. Although a sustainability approach broadens the scope of analysis the question is if it consolidates better agricultural practices while supporting decision-making processes and achieving yield goals. Settling previous research results, this paper aims to answer this question through the transposition of theoretical aspects of a case study: a project currently being held in Jalisco, Mexico to promote organic agriculture among maize producers. The exercise provided useful information on results and drawbacks to be expected when applying sustainable principles in the field. It was possible to implement practical actions appropriate to the socio-environmental context that matched economic goals of local farmers, improved soil quality and decreased environmental impacts and external dependence of rural Mexican communities. Nevertheless, the lack of trust between farmers and public institutions, skepticism towards change, the prevalence of immediacy and uncertainty of resource allocation make it hard to achieve any progress questioning whether results can be maintained long-term to facilitate the transition of agroecosystems towards a more sustainable future.

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Changes in soil physicochemical properties and soil bacterial community in mulberry (Morus alba L.)/alfalfa (Medicago sativa L.) intercropping system

Zhang

Wang

et al. 2018

MicrobiologyOpen

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A better understanding of tree‐based intercropping effects on soil physicochemical properties and bacterial community has a potential contribution to improvement of agroforestry productivity and sustainability. In this study, we investigated the effects of mulberry/alfalfa intercropping on soil physicochemical properties and soil bacterial community by MiSeq sequencing of bacterial 16S rRNA gene. The results showed a significant increase in the contents of available nitrogen, available phosphate, available potassium, and total carbon in the rhizosphere soil of the intercropped alfalfa. Sequencing results showed that intercropping improved bacterial richness and diversity of mulberry and alfalfa based on richness estimates and diversity indices. The relative abundances of Proteobacteria, Actinobacteria, and Firmicutes were significantly higher in intercropping mulberry than in monoculture mulberry; and the abundances of Proteobacteria, Bacteroidetes, and Gemmatimonadetes in the intercropping alfalfa were markedly higher than that in monoculture alfalfa. Bacterial taxa with soil nutrients cycling were enriched in the intercropping system. There were higher relative abundances of Bacillus (0.32%), Pseudomonas (0.14%), and Microbacterium (0.07%) in intercropping mulberry soil, and Bradyrhizobium (1.0%), Sphingomonas (0.56%), Pseudomonas (0.18%), Microbacterium (0.15%), Rhizobium (0.09%), Neorhizobium (0.08%), Rhodococcus (0.06%), and Burkholderia (0.04%) in intercropping alfalfa soil. Variance partition analysis showed that planting pattern contributed 26.7% of the total variation of bacterial community, and soil environmental factors explained approximately 56.5% of the total variation. This result indicated that the soil environmental factors were more important than the planting pattern in shaping the bacterial community in the field soil. Overall, mulberry/alfalfa intercropping changed soil bacterial community, which was related to changes in soil total carbon, available phosphate, and available potassium.

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- Discussion on Sustainable Water Technologies for Peri-Urban Areas of Mexico City: Balancing Urbanization and Environmental Conservation

Cited by 15 publications

References 20 publications

Plant-Microbe Interactions and Water Management in Arid and Saline Soils

Plant-Microbe Interactions and Water Management in Arid and Saline Soils

The practice of sustainability in response to the challenges of agriculture in Mexico

Changes in soil physicochemical properties and soil bacterial community in mulberry (Morus alba L.)/alfalfa (Medicago sativa L.) intercropping system

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