Agronomic efficiency of fermented composts in organic fertilization management of butterhead lettuce and green leaf lettuce

IF 0.7 4区农林科学 Q4 HORTICULTURE

Horticultura Brasileira Pub Date : 2023-08-25 DOI:10.1590/s0102-0536-2023-e2609

J. B. D. Souza Júnior, J. G. Guerra, J. M. Goulart, L. A. D. Silva, J. A. Espindola, E. Araújo

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引用次数: 0

Abstract

ABSTRACT This work aimed to evaluate the agronomic efficiency of fermented composts formulated with brewery waste (RC) with castor bean bran (FM) or Gliricidia sepium leaf bran (FG) in the fertilization of butterhead lettuce and green leaf lettuce grown in succession. The experimental design was in randomized blocks in a 2x5 factorial scheme, consisting of two fermented composts and five N doses (0, 50, 100, 200, and 400 kg/ha). The composts were formulated by combining 60 RC+40 FM and 60 RC+40 FG considering the % of dry matter after moisture correction. We verified that the phytotechnical performance of the butterhead lettuce, in relation to fertilization, is influenced by the applied dose; no difference regarding the composts was noticed, though. The doses of 272.2 and 248.71 kg/ha of N enabled the maximum yield of 78.01 and 87.79 t/ha, respectively, 60 RC+40 FM and 60 RC+40 FG. The fermented compost containing FM, in the range of the stipulated doses, showed a residual effect on the main phytotechnical traits of the green leaf lettuce, and the magnitude of the effect is directly proportional to the dose applied in the previous crop.

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发酵堆肥在油头生菜和绿叶生菜有机肥管理中的农艺效益

摘要本试验旨在评价啤酒厂废弃物(RC)与蓖麻豆皮(FM)或麻瓜叶皮(FG)配制的发酵堆肥(RC)在秋冬生菜和绿叶生菜连作施肥中的农艺效益。试验设计采用2x5因子随机分组设计，包括两种发酵堆肥和5种N剂量(0、50、100、200和400 kg/ha)。考虑水分修正后的干物质百分比，采用60 RC+40 FM和60 RC+40 FG组合配制堆肥。我们验证了butterhead lettuce的植物技术性能，与施肥有关，受施用剂量的影响;然而，在堆肥方面没有发现任何差异。施氮量为272.2和248.71 kg/ha时，60 RC+40 FM和60 RC+40 FG的最高产量分别为78.01和87.79 t/ha。在规定用量范围内，含FM发酵堆肥对绿叶生菜的主要植物技术性状存在残留效应，且其影响程度与前茬作物的施用剂量成正比。

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来源期刊

Horticultura Brasileira 农林科学-园艺

CiteScore

1.40

自引率

28.60%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal Horticultura Brasileira, a quarterly journal, is the Official Publication of the Sociedade de Olericultura do Brasil. Its abbreviated title is Hortic. bras., and it should be used in bibliographies, footnotes, references and bibliographic strips.