Controlled-release Fertilizer in Cordyline spectabilis Seedlings Production, a Potential Species of the Asparagaceae Family

IF 0.5 Q4 FORESTRY Floresta e Ambiente Pub Date : 2021-01-01 DOI:10.1590/2179-8087-FLORAM-2020-0047

Daniele Cristina Pereira de Matos, F. C. Félix, Mônica Moreno Gabira, N. S. D. Aguiar, L. S. Walter, Alexandre Dal Forno Mastella, D. Kratz

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引用次数: 1

Abstract

The success of seedlings establishment for commercial planting and forest restoration depends on the availability of nutrients during seedlings production. The objective was to evaluate the efficiency in controlled-release fertilizer use in Cordyline spectabilis seedlings production and what is the additional cost per seedling produced. Seedling production was performed with doses of 0.0 (control); 2.5; 5.0; 7.5; 10.0 and 12.5 kg m-3 of Basacote® Plus 9M (16-08-12) controlled-release fertilizer added to the substrate. The experiment was placed in a greenhouse and we evaluated morphological parameters to determine seedlings growth. The dose of 10.7 kg m-3 provided a greater number of leaves (11.4) and leaf length (24.9 cm), higher values of shoot (4.64 g), root (2.32 g) and shoot root ratio (1.99) were obtained above 10.7 kg m-3 fertilizer. We recommend the use of 10.7 kg m-3 controlled-release fertilizer for seedlings production with an increase of R$ 0.05 per seedling produced.

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天门冬科潜在种——冬虫夏草育苗中的控释肥料研究

商业种植和森林恢复的成功种苗取决于种苗生产过程中养分的可用性。目的是评价控释肥料在夏虫草育苗生产中的使用效率，以及每株育苗的额外成本。育苗剂量为0.0(对照);2.5;5.0;7.5;10.0和12.5 kg m-3 Basacote®Plus 9M(16-08-12)控释肥料添加到基材中。实验在温室中进行，我们通过评估形态参数来确定幼苗的生长情况。施用10.7 kg m-3时，叶片数(11.4)和叶长(24.9 cm)较多，茎部(4.64 g)、根(2.32 g)和茎根比(1.99)较高。我们建议幼苗生产使用10.7 kg m-3控释肥，每苗增产0.05雷亚尔。

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