Document details

Crowning with cardboard disks for brachiaria control in stand formation to forest restoration

Author(s): Dias, Monique Muniz Monteiro ; Santana, João Elves da Silva ; Leles, Paulo Sergio dos Santos ; Resende, Alexander Silva de ; Ribeiro, Juçara Garcia

Date: 2019

Origin: Oasisbr

Subject(s): Controle de plantas daninhas; Mulching; Reflorestamento; Weeds control; Mulching; Reforestation


Description

The presence of weeds in stands aiming at forest restoration can cause harn, as they can compromise the growth of tree species. The objective of this work was to evaluate the efficiency of crowning with cardboard disks to control Urochloa spp. at forest restoration. The survival and growth of eight native tree species and the maintenance costs of manual crowning (T1) and the use of cardboard disks (T2) were evaluated. There was no effect of the cardboard disks when considering the survival and growth of the tree species 9 months after planting. At this age, only 23% of the original cardboard disks mass remained. Costs of cardboard treatment was 65% higher than manual crowning.

A presença de plantas daninhas em povoamentos visando restauração florestal pode ocasionar prejuízos, pois podem comprometer o crescimento de espécies arbóreas. Objetivou-se avaliar a eficácia do coroamento com papelão no controle de Urochloa spp. em área de restauração florestal. Avaliou-se a sobrevivência e crescimento de oito espécies arbóreas nativas e os custos de manutenção de coroamento manual (T1) e coroamento com papelão (T2). Constatou-se que, aos nove meses após o plantio das mudas e colocação do papelão, não houve efeito da presença do papelão sobre a sobrevivência e crescimento das espécies arbóreas. Nesta idade, restava apenas 23% da massa original do papelão. O custo do tratamento com papelão foi 65% superior ao de coroamento manual.

Document Type Journal article
Language Portuguese
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