Organic fertilizer doses for top-dressing fertilization in jambu (Acmella oleracea [(L.) R. K. Jansen]) production

Q3 Agricultural and Biological Sciences

Comunicata Scientiae Pub Date : 2023-11-30 DOI:10.14295/cs.v15.4070

Thatiane Nepomuceno Alves, A. I. I. Cardoso, Nicholas Taborda Nordi, Joseantonio Ribeiro de Carvalho, Marcelo Munhoz Venâncio de Oliveira, Débora Cristina Mastroleo Luís, Renan Lima de Sousa

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Abstract

Due to the lack of specific fertilization recommendations for jambu cultivation, producers commonly usefertilizers recommended for other vegetables. This study aimed to evaluate the effect of different doses oforganic fertilizers, namely hoof and horn powder and castor bean cake, on jambu plant production under anorganic system. The experiments were conducted at the Experimental Farm of São Manuel, SP, belonging to theSchool of Agriculture (FCA) – UNESP, and at the “Estância Três Nascentes” site, located in Botucatu, SP, Brazil.Twelve treatments were evaluated, in a 2 x 6 factorial design, consisting of two organic fertilizers (castor beancake (CBC) and hoof and horn powder (HHP)) x 6 top dressing N doses (50, 75, 100, 125, 150, and 0 (controlwithout these fertilizers)). The experimental design was a randomized block with four replications. Plant height(PH), number of inflorescences (NI), the fresh weight of inflorescence (FWI), the fresh weight of vegetative parts(FWVP), and the total fresh weight (TFW) were evaluated at each location. Linear increases were observed in allcharacteristics in both locations as the fertilizer doses increased. Comparing the highest dose (150 kg ha-1 of N)with the control, increases of 109%, 251%, 218%, 283%, and 227% were obtained at the farm in São Manuel, and69%, 79%, 111%, 276%, and 118% in Botucatu, for PH, NI, FWVP, FWI, and TFW, respectively. When comparing thetwo fertilizers, HHP presented better results than CBC for most characteristics in both areas.

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琼浆（Acmella oleracea [(L.) R. K. Jansen]）生产中表层施肥的有机肥剂量

由于缺乏针对桑布种植的具体施肥建议，生产者通常使用其他蔬菜的推荐肥料。本研究旨在评估不同剂量的有机肥料（即蹄角粉和蓖麻饼）对无机系统下蚕豆生产的影响。实验在巴西南太平洋圣马努埃尔实验农场（隶属于巴西南太平洋大学农业学院（FCA））和位于巴西南太平洋博图卡图的 "Estância Três Nascentes "基地进行。试验采用 2 x 6 的因子设计，包括两种有机肥料（蓖麻饼 (CBC) 和蹄角粉 (HHP)）x 6 种氮（50、75、100、125、150 和 0（不施用这些肥料的对照组））。试验设计为随机区组，四次重复。对每个地点的株高（PH）、花序数（NI）、花序鲜重（FWI）、植株鲜重（FWVP）和总鲜重（TFW）进行了评估。随着肥料剂量的增加，两地的所有特征都呈线性增长。将最高剂量（每公顷 150 千克氮）与对照进行比较，圣曼努埃尔农场的 PH、NI、FWVP、FWI 和 TFW 分别增加了 109%、251%、218%、283% 和 227%，博图卡图农场的 PH、NI、FWVP、FWI 和 TFW 分别增加了 69%、79%、111%、276% 和 118%。在对两种肥料进行比较时，在这两个地区，HHP 在大多数特性方面的结果都优于 CBC。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Comunicata Scientiae Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)

CiteScore

0.90

自引率

0.00%

发文量

期刊介绍： The Comunicata Scientiae journal edited by Campus “Profa Cinobelina Elvas” of Federal University of Piauí (Brazil) publishes original articles, scientific notes and review articles (when invited by the editorial board), which present significant importance for Agrarian and Environmental Sciences in Portuguese, Spanish and preferentially, in English.