Poultry Litter for the Production and Quality of <i>Enterolobium contortisiliquum</i> Vell. Seedlings

Silva, Rodrigo Ferreira da; Grolli, Andre Luis; Welter, Paola Daiane; Ros, Clovis Orlando da; Scheid, Douglas Leandro

doi:10.1590/2179-8087.008017

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Original Article, Silviculture • Floresta Ambient. 26 (3) • 2019 • https://doi.org/10.1590/2179-8087.008017 copy

Poultry Litter for the Production and Quality of Enterolobium contortisiliquum Vell. Seedlings

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

The objective of this work was to determine the efficiency of poultry litter ratios added to the commercial substrate and to peat in the growth and quality of Enterolobium contortisiliquum seedlings. The design was completely randomized, with 10 replications, in a 2 × 5 factorial arrangement with two substrates (peat and commercial substrate) and five poultry litter ratios, added (v:v) to both substrates (0, 25%, 50%, 75% and 100%). The height, stem diameter, dry matter of shoot and roots, root specific surface area, Dickson quality index and NPK accumulated in dry matter of shoot and roots were evaluated. Poultry litter can be added up to a 35% ratio to the commercial substrate or to peat for the production of Enterolobium contortisiliquum seedlings; proportions above this, for both substrates, compromise the production. The treatments with peat provided lower growth and quality of Enterolobium contortisiliquum seedlings, compared to the commercial substrate.

Keywords:
native species; organic compound; peat; commercial substrate

Poultry litter (%)	pH_water (1:1)	Ca	Mg	N	P	K		Cu	Zn	CO
Poultry litter (%)	pH_water (1:1)	----------------- g kg^–1 -------------------					----- mg kg^–1-----			dag kg^–1
	--------------------------------- Commercial substrate ---------------------------------
0	6.1	2.6	0.8	5.6	1.7	6.31		17.7	46.3	25.4
25	6.9	2.2	1.1	12.8	6.0	15.9		44.0	219.2	28.4
50	7.3	2.1	1.4	16.5	7.5	23.3		79.6	328.0	26.3
75	7.5	2.4	1.5	22.8	9.6	29.9		105.6	491.0	25.4
100	7.8	3.0	1.2	26.9	14.5	34.6		119.7	579.4	27.8
	--------------------------------------- Peat -----------------------------------------------
0	5.6	9.2	2.9	13.9	0.6	1.4		5.2	15.7	34.2
25	6.6	5.2	1.5	18.7	5.5	18.8		41.4	187.7	30.6
50	7.1	3.7	1.6	20.4	7.8	18.7		63.9	278.7	28.0
75	7.4	3.0	1.5	23.4	11.6	29.5		103.3	474.2	27.6
100	7.8	3.0	1.2	26.9	14.5	34.6		119.7	579.4	27.8

Analyzed variables(1)	Ca	Mg	N	P	K	Cu	Zn
Analyzed variables(1)	--------------------------------- Commercial substrate -----------------------------
SD	-0.83 ^* * Significant values at 5% probability of error.	-0.15	-0.72*	-0.74*	-0.66*	-0.67*	-0.71*
Height	-0.82*	-0.01	-0.60*	-0.62*	-0.52*	-0.52*	-0.58*
SDM	-0.73*	0.04	-0.44*	-0.43*	-0.37*	-0.38*	-0.43*
RDM	-0.60*	-0.04	-0.42*	-0.40*	-0.37*	-0.38*	-0.42*
SSA	-0.82*	-0.08	-0.64*	-0.67**	-0.59*	-0.60*	-0.63*
DQI	-0.67*	-0.14	-0.54*	-0.51*	-0.49*	-0.52*	-0.54*
Nac_PA	-0.72*	0.02	-0.48*	-0.48*	-0.41*	-0.41*	-0.47*
Nac_R	-0.57*	-0.04	-0.42*	-0.41*	-0.37*	-0.38*	-0.42*
Pac_PA	-0.72*	0.07	-0.40*	-0.39*	-0.33*	-0.34*	-0.4*
Pac_R	-0.61*	-0.01	-0.39*	-0.38*	-0.34*	-0.36*	-0.39*
Kac_PA	-0.74*	0.05	-0.45*	-0.45*	-0.38*	-0.39*	-0.44*
Kac_R	-0.58*	-0.04	-0.41*	-0.40*	-0.36*	-0.37*	-0.41*
	---------------------------------------- Peat ---------------------------------------
SD	0.35*	0.35*	-0.66*	-0.64*	-0.56*	-0.63*	-0.66*
Height	0.44*	0.41*	-0.74*	-0.72*	-0.62*	-0.70*	-0.73*
SDM	0.16	0.03	-0.43*	-0.43*	-0.31*	-0.45*	-0.47*
RDM	0.12	-0.01	-0.39*	-0.40*	-0.28	-0.42*	-0.43*
SSA	0.09	0.13	-0.46*	-0.44*	-0.39*	-0.43*	-0.47*
DQI	0.12	0.01	-0.4*	-0.41*	-0.29	-0.43*	-0.45*
Nac_PA	0.22	0.05	-0.43*	-0.44*	-0.30	-0.45*	-0.46*
Nac_R	0.23	0.08	-0.41*	-0.42*	-0.29	-0.44*	-0.44*
Pac_PA	0.07	-0.03	-0.36*	-0.36*	-0.23	-0.37*	-0.39*
Pac_R	0.05	-0.09	-0.30	-0.31*	-0.19	-0.34*	-0.35*
Kac_PA	0.16	0.01	-0.40*	-0.41*	-0.27	-0.42*	-0.43*
Kac_R	0.09	-0.03	-0.30	-0.30	-0.17	-0.31*	-0.32*

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[1] Paola Daiane WelterDepartamento de Ciências Agronômicas e Ambientais, Universidade Federal de Santa Maria – UFSM, Linha 7 de Setembro, s/n, CEP 98400-000, Frederico Westphalen, RS, Brasil e-mail: pdaianew@hotmail.com