Growth of black pepper plantlets under different substrates and irrigation levels



Document title: Growth of black pepper plantlets under different substrates and irrigation levels
Journal: Scientia Agricola
Database: PERIÓDICA
System number: 000455488
ISSN: 0103-9016
Authors: 1
2
3
4
4
4
Institutions: 1Instituto Nacional de Colonizacao e Reforma Agraria, Vila Velha, Espirito Santo. Brasil
2Universidade Federal Rural do Rio de Janeiro, Instituto de Ciencias Biologicas e da Saude, Seropedica, Rio de Janeiro. Brasil
3Universidade Federal Rural do Rio de Janeiro, Instituto de Florestas, Seropedica, Rio de Janeiro. Brasil
4Universidade Federal Rural do Rio de Janeiro, Instituto de Tecnologia, Seropedica, Rio de Janeiro. Brasil
Year:
Volumen: 79
Number: 1
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Experimental, analítico
English abstract Optimization of the use of water and the possibility of using residues as substrate in the black pepper production chain can yield economic and environmental benefits. The objective of this study was to evaluate the biometric and physiological traits of black pepper plantlets (Piper nigrum L.), cv. Bragantina, at different irrigation levels and soilless substrates. Plantlets were grown for 120 days on three substrates [biosolid + crushed coconut fiber (3:1, by volume); biosolid + granitic rock powder (3:1, by volume); and biosolid + crushed coconut fiber + granitic rock powder (2:1:1, by volume)] and at five irrigation levels [36 % (very low); 55 % (low); 85 % (moderate); 100 % (well-irrigated); and 126 % of the reference irrigation level (over-irrigated)]. The biometric traits evaluated increased as the irrigation levels increased, with the exception of root dry mass, which was not influenced by this factor, nor water use efficiency, which decreased as the irrigation levels increased. In general, plants grown with a mixture of the three wastes (biosolid + crushed coconut fiber + granitic rock powder) exhibited higher values for biometric variables and chlorophyll content when they were moderately, well or over-irrigated, in comparison with the other two substrates. It was possible to achieve the plantlet commercial standard using this three waste mixture and the moderate irrigation level
Disciplines: Agrociencias
Keyword: Plantas para uso industrial,
Riego y drenaje,
Pimienta negra,
Piper nigrum,
Sustratos,
Riego
Keyword: Plants for industrial use,
Irrigation and drainage,
Black pepper,
Piper nigrum,
Substrates,
Irrigation
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