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<div class="text-justify"> Organic fertilization is the action of applying a non-synthetic product in exchange for the application of a fertilizer that comes from animals, humans, plant remains of food or other organic and natural sources.</div>
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<div class="pull-left"><img src="https://eige.europa.eu/sites/default/files/styles/eige_large/public/images/agriculture.jpg?itok=WQ8q-N9t"/>
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<div class="text-justify">▶ Chemical fertilization, on the other hand, is the result of the application of products that are manufactured by industrial means, such as nitrogen fertilizers (made from fossil fuels and air) like urea or those obtained from mining, like phosphates or potassium, calcium, zinc.</p>
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<div class="text-justify"> Humus is an organic product that comes from well decomposed organic matter, it is a complex organic substance of dark brown or black color, whose exact composition is not known. It constitutes 1/5 to ½ of the organic matter of peat, compost, mulch and decomposed animal manures.</div>
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<div class="text-justify"> The importance of humus in plant development is mainly due to its high buffering capacity in a considerable variation of pH. It tends to stabilize soil structure, retains an enormous amount of water and has a high base exchange capacity.</div>
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<div class="text-justify"> When organic products such as humus are applied, morphometric variables are developed at the agro-ecological level in plants, the word morphometric, comes from the theoretical construct, morph (form or shape) and metrics (measurement).</div>
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<center><img src="https://files.worldwildlife.org/wwfcmsprod/images/Sustainable_Agriculture/hero_small/7ym5ecakzi_sustainable_agriculture_overview_XL_240144.jpg"/><center><sup> ▶ Credits: <a href="https://www.worldwildlife.org/industries/sustainable-agriculture" rel="noopener" title="This link will take you away from steemit.com"> worldwildlife </a> – [Image of Public Domain] </sup></center></div>
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<div class="text-justify"> Morphometry is used in botany for quantitative studies, where it is desired to know the phenological behavior of growth, development or production of plant specimens; some of the variables to consider are: fruit weight, fruit diameter, number of seeds per fruit, pulp thickness, pulp weight, among others.</div>
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<div class="text-justify"><strong>NOTE:</strong> Reference material.</div>
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<div class="text-justify"><a href="https://www.nal.usda.gov/legacy/afsic/sustainable-agriculture-definitions-and-terms-related-terms" rel="noopener" title="This link will take you away from steemit.com"> Sustainable Agriculture: Definitions and Terms. Related Terms.</a></div>
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