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Symbiosis in Nature
Symbiosis is a vital and enduring interaction between two species in nature, benefiting both organisms involved. Mutualism, commensalism, and parasitism are the three main types of symbiotic relationships. Mutualism benefits both species, commensalism benefits one species while leaving the other unaffected, and parasitism benefits one species at the expense of the other. These interactions play a crucial role in maintaining ecosystem stability and functionality. Symbiosis relies on a close genetic, physiological, and morphological connection between the participating species. Numerous examples demonstrate the significance of symbiosis in nature. Nitrogen-fixing bacteria, for instance, conver...
Global Implications of the Nitrogen Cycle
Nitrogen constitutes 78% of the Earth’s atmosphere and inevitably occupies a predominant role in marine and terrestrial nutrient biogeochemistry and the global climate. Callous human activities, like the excessive industrial nitrogen fixation and the incessant burning of fossil fuels, have caused a massive acceleration of the nitrogen cycle, which has, in turn, led to an increasing trend in eutrophication, smog formation, acid rain, and emission of nitrous oxide, which is a potent greenhouse gas, 300 times more powerful in warming the Earth’s atmosphere than carbon dioxide. This book comprehensively reviews the biotransformation of nitrogen, its ecological significance and the consequences of human interference. It will appeal to environmentalists, ecologists, marine biologists, and microbiologists worldwide, and will serve as a valuable guide to graduates, post-graduates, research scholars, scientists, and professors.
Enabling the Business of Agriculture 2019
Enabling the Business of Agriculture 2019 presents indicators that measure the laws, regulations and bureaucratic processes that affect farmers in 101 countries. The study covers eight thematic areas: supplying seed, registering fertilizer, securing water, registering machinery, sustaining livestock, protecting plant health, trading food and accessing finance. The report highlights global best performers and countries that made the most significant regulatory improvements in support of farmers.
Enabling the Business of Agriculture 2017
Enabling the Business of Agriculture 2017, the third report in the series, offers insights into how laws and regulations affect private sector development for agribusinesses, including producer organizations and other agricultural entrepreneurs. Globally comparable data and scored indicators encourage regulations that ensure the safety and quality of agricultural inputs, goods and services but are not too costly or burdensome. The goal is to facilitate the operation of agribusinesses and allow them to thrive in a socially and environmentally responsible way, enabling them to provide essential agricultural inputs and services to farmers that could increase their productivity and profits. Regional, income-group and country-specific trends and data observations are presented for 62 countries and across 12 topics: seed, fertilizer, machinery, finance, markets, transport, water, ICT, land, livestock, environmental sustainability and gender. Data are current as of June 30, 2016. For more information, please see http://eba.worldbank.org
Manuel technique de protection du maïs en culture et en stockage au Bénin
L’Institut National des Recherches Agricoles du Bénin (INRAB), à travers le Laboratoire de Défense des Cultures (LDC), a conduit des expérimentations avec les producteurs de maïs depuis quelques années. Le présent manuel fait la compilation de ces travaux de recherches sous forme de guide aux producteurs de maïs, aux vulgarisateurs et encadreurs du monde agricole, aux opérateurs économiques et aux Organisations non Gouvernementales (ONG) s’investissant dans la culture du maïs. L’adoption et la mise en œuvre des pratiques développées dans le présent manuel, contribuera à parfaire les connaissances des acteurs sus cités en matières de la reconnaissance et de la lutte intégrée contre les nuisibles du maïs et relèvera de façon substantielle le niveau actuel de la production du maïs au Bénin.
