vegetation control Articles
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A Decade of Plant Species Changes on a Mire in the Italian Alps: Vegetation-Controlled or Climate-Driven Mechanisms?
Abstract Variation of plant species cover on a Sphagnum-dominated mire in the south-eastern Alps of Italy was assessed over a 10-year period in relation to depth to the water table, peat accumulation rate, and climate. Population dynamics of vascular species appeared to be primarily affected by the autogenic process of peat accumulation, which determined the lowering of water-table position at ...
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Spatial pattern of variation in populations of Acacia nilotica in semi-arid environment
Variability among populations was analyzed in five provenances of Acacia nilotica from spatially variable habitats. Populations of A. nilotica developed in response to their habitat conditions. The level of variability was significantly high among the populations. Phenotypic variability was extremely high for leaf and stipular spine characteristics. The nature of morphological variability for ...
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Multiscale control of vegetation patterns: the case of Doñana (SW Spain)
The early studies about the plant ecology of Doñana carried out at a small scale showed that the main process controlling vegetation composition of the stabilized dunes was soil water availability. However, the extrapolation of this model to larger spatial scales failed to explain observed vegetation patterns. In this work, the vegetation patterns and the processes causing them are studied at a ...
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The socioeconomic aspects of the construction of an industrial gamma irradiator in the Ribeira Valley, Sao Paulo, Brazil
Gamma irradiation processing can be used to destroy bacteria in food as a cold pasteurisation method. It can also be applied to prevent food losses after harvesting, to delay the ripening and ageing of fruits and vegetables, to control sprouting and germination, and to extend the shelf life of perishable foods. Radiation treatment is currently used in Brazil for the sterilisation of disposable ...
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No-till sequential cropping of summer and fall annual forage species compared with grassland
Summer (SAS) and fall annual species (FAS) can supplement animal forage requirements during times of slow growth of cool-season perennials. A 2-yr experiment was conducted in a perennial grassland (G) at the Reedsville Experimental Farm of West Virginia University to determine herbage accumulation (HA) and quality of two summer and two fall crops (in factorial combination) grown on the same land. ...
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Biomass harvesting: how forest thinning can help prevent wildfires
Every year, wildfires plague the nation. Once there’s an ignition source, dry foliage in country areas can quickly go up in flames, spreading through woodlands or grasslands quickly. While some wildfires can be small, others can be devastating and blaze through thousands of acres. While there’s no way to predict where wildfires may start, there are ways to minimize the damage of ...
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Tackling hidden hunger in Malawi
Tackling Malawi's Hidden Hunger through Selenium and Iodine biofortification to green vegetables and conservation agriculture (CA) field crops Introduction In sub-Saharan Africa, micronutrient deficiencies are common in poor and rural areas, due to over-farmed, depleted soils and restricted diets. In Malawi, three-quarters of the population are selenium-deficient, which can lead to weakened ...
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Biocontrol of Escherichia coli O157:H7 exerted by endogenous microflora and oleoresins in minimally processed lettuce and carrot
The objectives of this study were to analyse the effectiveness of native microflora of lettuce and carrot in controlling Escherichia coli O157:H7 and to evaluate the technological application of oregano and rosemary to control E. coli in vegetables stored at 8?C and 20?C. The interaction between the background microflora of lettuce and carrot with E. coli O157:H7 was observed at 20?C. In samples ...
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Experimental investigations to evaluate benefits of using compost amendments to modify expansive soils
Composting is a successful method of recycling organic waste materials such as yard trimmings, municipal biosolids, animal manure and organic urban wastes into stabilised materials that could be used for bioremediation, erosion control, landscaping, and roadside vegetation. The process of organic wastes composting is expanding rapidly in the USA and other countries since landfill spaces for ...
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Differential effects of low humidity levels on butterhead quality indices related to external, middle and internal lettuce sections
Leaf water status evolution during greenhouse butterhead lettuce storage under adverse humidity conditions was evaluated. The relationships between water status and the chlorophyll content and overall visual quality (OVQ) were analysed. Parameters were evaluated in external, middle and internal sections of the lettuce heads. Indices showed different behaviour in different sections. There was a ...
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The Effect of COVID-19 ‘Panic Buying’ on Food Supply Chains and the Requirement for Gas Sensing
IntroductionCOVID-19 concerns around the world have sparked widespread panic buying and empty supermarket shelves. Large-scale lock-downs to contain the outbreak have further hurt the supply of manpower and disrupted supply chains in the agricultural industry.The United Nations’ Food and Agriculture Organization have said that the world risks a ‘looming food crisis’ if we do not take fast ...
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Regulated Deficit Irrigation for Wine Grapes – Balancing Canopy, Yield and Quality
Sebastian Braum, Ph.D., is WaterBit’s director of soil science and agronomy. He is writing a series of posts for our blog that delve into irrigation-related topics. In the piece below, he discusses deficit irrigation in wine grapes. Dr. Braum holds a doctorate in soil chemistry from the University of Wisconsin-Madison and he studied soil science, plant nutrition, agronomy and viticulture at ...
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