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Use of neem vegetable cake (Azadirachta indica A. Juss) increases corn productivity
Use of neem vegetable cake (Azadirachta indica A. Juss) increases corn productivity
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Use of neem vegetable cake (Azadirachta indica A. Juss) increases corn productivity
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Use of neem vegetable cake (Azadirachta indica A. Juss) increases corn productivity
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Use of neem vegetable cake (Azadirachta indica A. Juss) increases corn productivity
Use of neem vegetable cake (Azadirachta indica A. Juss) increases corn productivity
Journal Article

Use of neem vegetable cake (Azadirachta indica A. Juss) increases corn productivity

2024
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Overview
Abstract The need to transition to more sustainable agriculture that is adaptable to environmental challenges, reducing dependence on chemical fertilizers and minimizing environmental impact, represents the new paradigm of the moment. In this scenario, studies with the adoption of bioinputs in corn cultivation emerge as a viable option for the sustainability of agricultural activity. Therefore, the objective was to evaluate the effect of doses of neem vegetable cake on the yield components of corn crops. An experimental design was used of randomized blocks was used, consisting of four doses of neem vegetable rendering (3 kg ha-1, 6 kg ha-1, 9 kg ha-1 and 12 kg ha-1) and a treatment control without the presence of organic fertilizer. The result indicates the presence of a significant effect of treatments with the application of neem cake on the main components of corn yield, including grain productivity, suggesting that the high carbon content present in the organic product can induce phytochemical effects and biological changes. in the soil, making it more productive. It was found that, when administering the maximum experimental dose, compared to the control group, there was a significant effect (p≤0.01) of 21.3% on grain productivity, jumping from 2,140 kg ha -1, when did not apply organic fertilizer, to 2,596 kg ha-1 with the application of 12 kg of neem cake per hectare. It is noted that the increase in grain productivity was in the proportion of 38 kg ha-1 of corn for each kilo of neem cake applied. To facilitate interpretation and decision-making, an analysis of the economic viability of neem cake for rainfed corn was also determined, also identifying the maximum experimental dose of 12 kg ha-1, as the most economically viable, providing an increase in profit of around R $ 119.92 per hectare, in relation to the control. Resumo A necessidade de transitar para uma agricultura mais sustentável e adaptável aos desafios ambientais, com redução da dependência de fertilizantes químicos e minimização do impacto ambiental, representa o novo paradigma do momento. Nesse cenário, estudos com a adoção de bioinsumos na cultura do milho emergem como uma opção viável para a sustentabilidade da atividade agrícola. Portanto, objetivou-se avaliar o efeito de doses de torta vegetal de neem nos componentes de rendimento da cultura do milho. Utilizou-se um delineamento experimental de blocos casualizados constituídos pelas quatro doses da torta vegetal de neem (3 kg ha-1, 6 kg ha-1, 9 kg ha-1 e 12 kg ha-1) e um tratamento testemunha sem a presença do adubo orgânico. O resultado indica a presença de um efeito significativo dos tratamentos com aplicação da torta de neem sobre os principais componentes de rendimento do milho, incluindo a produtividade dos grãos, sugerindo que o alto teor de carbono presente no produto orgânico pode induzir efeitos fitoquímicos e mudanças biológicas no solo, tornando-o mais produtivo. Verificou-se que, ao administrar a dose máxima experimental, em comparação com o grupo de controle, houve um efeito significativo (p≤0,01) de 21,3% na produtividade dos grãos, saltando de 2.140 kg ha -1, quando não aplicou o adubo orgânico, para 2.596 kg ha-1 com a aplicação de 12 kg da torta de neem por hectare. Nota-se que o incremento na produtividade dos grãos foi na proporção de 38 kg ha-1 de milho para cada quilo de torta de neem aplicado. Para facilitar a interpretação e tomada de decisão, determinou-se também a análise de viabilidade econômica da torta de neem para a cultura do milho cultivado em sequeiro, identificando também a dose máxima experimental de 12 kg ha-1, como a mais viável economicamente, proporcionando um incremento no lucro na ordem de R$119,92 por hectare, em relação a testemunha.