2019
DOI: 10.12957/sustinere.2019.46126
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Variáveis fitométricas de macaxeira (Manihot esculenta Crantz) em resposta à aplicação de calagem e gesso agrícola

Abstract: A ONU elegeu a mandioca como o alimento do século XXI. Apresenta a possibilidade de aproveitamento integral, a folha é aproveitada para alimentação animal e humana, enquanto as manivas podem ser utilizadas para propagação ou silagem. No Brasil a mandioca é cultivada com o mínimo uso de insumos ou nenhum, em sistema de derruba-e-queima, embora apresentando tolerância a acidez e escassez de recursos, o cultivo contínuo, sem reposição dos nutrientes exportados, pode ocasionar o esgotamento das reservas nutriciona… Show more

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“…The use of lime and gypsum alone or in combination usually increases growth and root production in cassava plants because of the soil acidity correction in the superficial soil layer (0-20 cm) by lime and the positive effects of neutralizing toxic Al3+ and providing sulfur (S) and calcium (Ca) by gypsum ACTA AMAZONICA (Zambrosi 2007;Vitti and Priori 2009). The correction of soil acidity with lime has been related to higher root production in cassava (Martins et al 2018), while the application of gypsum promoted the increase in the dry matter of leaves in cassava genotypes, and the combination of lime and gypsum increased the root harvest rate (Nascimento et al 2019). Such effects on productivity were not reflected in the characteristics of the silage in our study, including LAB, yeast and mold counts, as the fermentation process occurred within the expected for an adequate fermentation independently of the method of soil-acidity correction used.…”
Section: Discussionmentioning
confidence: 99%
“…The use of lime and gypsum alone or in combination usually increases growth and root production in cassava plants because of the soil acidity correction in the superficial soil layer (0-20 cm) by lime and the positive effects of neutralizing toxic Al3+ and providing sulfur (S) and calcium (Ca) by gypsum ACTA AMAZONICA (Zambrosi 2007;Vitti and Priori 2009). The correction of soil acidity with lime has been related to higher root production in cassava (Martins et al 2018), while the application of gypsum promoted the increase in the dry matter of leaves in cassava genotypes, and the combination of lime and gypsum increased the root harvest rate (Nascimento et al 2019). Such effects on productivity were not reflected in the characteristics of the silage in our study, including LAB, yeast and mold counts, as the fermentation process occurred within the expected for an adequate fermentation independently of the method of soil-acidity correction used.…”
Section: Discussionmentioning
confidence: 99%