Do doses of controlled-release fertilizer and container volume influence the quality of Hymenaea courbaril seedlings?

IF 0.9 4区农林科学 Q4 HORTICULTURE

Revista Brasileira De Fruticultura Pub Date : 2023-10-13 DOI:10.1590/0100-29452023249

O. J. Smiderle, A. D. G. Souza, Sonicley da Silva Maia

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引用次数: 0

Abstract

: The objective was to determine the effects of doses of controlled-release fertilizer and container volume on the initial growth and quality of Hymenaea cour-baril seedlings. The experimental design was completely randomized in a 2 x 4 factorial scheme, corresponding to two container volumes (1.8 and 2.2 L) and four doses of controlled-release fertilizer (0, 1.5, 3.0 and 4.5 g L -1 substrate) with eight replicates, each consisting of five seedlings (one in each container). The variables evaluated were: shoot height (H), stem diameter (SD), shoot dry mass (SDM, g plant -1 ), root dry mass (RDM, g plant -1 ), total dry mass (TDM, g plant -1 ), Dickson quality index (DQI), root volume (RV), nitrogen balance index (NBI) and chlorophylls. Controlled-release fertilizer at doses of 1.5 and 3.0 g L -1 provide Hymenaea courbaril seedlings with quality and sturdiness in both container sizes. Controlled-release fertilizer at the dose of 4.5 g L -1 is not indicated to obtain high quality standard in seedlings of Hymenaea courbaril , regardless of container volume.

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控释肥剂量和容器容积是否会影响西番莲幼苗的质量？

:目的是确定控释肥剂量和容器容积对库拉索海门（Hymenaea cour-baril）幼苗初期生长和质量的影响。实验设计采用完全随机的 2 x 4 系数方案，对应两种容器容量（1.8 和 2.2 L）和四种控释肥剂量（0、1.5、3.0 和 4.5 g L -1 基质），共设八个重复，每个重复由五株幼苗组成（每个容器一株）。评估变量包括：芽高（H）、茎直径（SD）、芽干重（SDM，克植株-1）、根干重（RDM，克植株-1）、总干重（TDM，克植株-1）、迪克森质量指数（DQI）、根量（RV）、氮平衡指数（NBI）和叶绿素。控释肥剂量为 1.5 和 3.0 g L -1 时，两种容器规格的西番莲幼苗都能保证质量和结实度。4.5 g L -1 剂量的控释肥并不能使西番莲幼苗达到高质量标准，与容器容积无关。

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来源期刊

Revista Brasileira De Fruticultura 农林科学-园艺

CiteScore

1.50

自引率

20.00%

发文量

审稿时长

4-8 weeks

期刊介绍： The Revista Brasileira de Fruticultura (RBF) publishes technical articles and scientific communications in the area of fruit crops, referring to results of original searches and unpublished papers in Portuguese, Spanish or English, and 1 or 2 reviews per edition, of invited authors.