应用“石蒜”提高甜瓜产量和品质

Pub Date : 2023-09-01 DOI:10.1590/1983-21252023v36n312rc
A. M. Negreiros, Naama J. de A. Melo, H. D. S. Barboza, Rui Sales Júnior
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引用次数: 0

摘要

摘要在巴西,甜瓜以其卓越的品质而闻名。该部门的主要挑战之一在于化肥的使用,特别是由于依赖进口。在这种情况下,Liththanium,一种提供钙和镁并增强土壤物理、化学和生物特性的海藻衍生物,提供了一种可行的解决方案。本研究旨在评估不同剂量(全剂量或部分剂量)、施用间隔和施用模式对甜瓜产量和品质的影响。实验调查是在位于巴西Mossoró的Fazenda Dina-Dinamarica Industrial Agrícola进行的。实验设计由11个处理和4个重复的随机分组组成。甜瓜在播种后75天收获。根据Scott Knott检验(5%的概率),结果显示大多数变量没有显著差异。然而,在生产力、果皮厚度、果肉硬度、pH值和总糖含量方面观察到了显著的统计差异。所有涉及使用Liththanium的处理都显示出生产力(25.6至29.8t ha-1)和剥离厚度(0.80至1.02cm)的增加。就纸浆硬度而言,使用纳米颗粒形式和作为浓缩悬浮液的Lithtamnium,施用时间为10-20-30和30-50的处理显示出更高的值(25.66至27.81N)。除微粉化粉末外,所有Liththanium处理的pH值最高(6.84至6.94)。总糖含量在T3、T4和T5处理中最高(分别为11.58%、12.50%和11.78%)。
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Enhancing melon production and quality through the application of 'Lithothamnium'
ABSTRACT In Brazil, melon production is distinguished by its superior quality. One of the major challenges in this sector lies in the use of fertilizers, particularly due to import dependencies. In this context, Lithothamnium, a seaweed derivative that supplies calcium and magnesium and enhances the physical, chemical, and biological properties of the soil, presents a viable solution. This study aimed to assess the impact of varying doses (whole [W] or fractional [F]), intervals, and application modes of Lithothamnium on melon yield and quality. The experimental investigation was carried out at Fazenda Dina - Dinamarca Industrial Agrícola, located in Mossoró, Brazil. An experimental design consisting of randomized blocks with 11 treatments and four replications was implemented. Melons were harvested 75 days post-sowing. Results revealed no significant differences for most variables as per the Scott Knott test (5% probability). However, noteworthy statistical differences were observed concerning productivity, peel thickness, pulp firmness, pH, and total sugar content. All treatments involving the use of Lithothamnium demonstrated an increase in productivity (25.6 to 29.8 t ha-1) and peel thickness (0.80 to 1.02 cm). In terms of pulp firmness, treatments using Lithothamnium in nanoparticle form and as a concentrated suspension with application times of 10-20-30 and 30-50 exhibited higher values (25.66 to 27.81 N). Except for the micronized powder variant, all Lithothamnium treatments yielded the highest pH values (6.84 to 6.94). Total sugar content was found to be highest in treatments T3, T4, and T5 (11.58%, 12.50%, and 11.78%, respectively).
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