Vegetative development and biomass production of <i>Sesbania herbacea</i> in a wet floodplain environment

Pimenta, Leandro Barbosa; Oliveira, Matheus Messias de; Salvador, Moisés Gomes

doi:10.1590/1983-40632022v5270024

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Research Article • Pesqui. Agropecu. Trop. 52 • 2022 • https://doi.org/10.1590/1983-40632022v5270024 copy

Vegetative development and biomass production of Sesbania herbacea in a wet floodplain environment

Desenvolvimento vegetativo e produção de biomassa de Sesbania herbacea em ambiente de várzea úmida

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Green manure provides countless benefits to the chemical, physical and biological quality of soils. This study aimed to evaluate the Sesbania herbacea potential, regarding growth and biomass production parameters, as a green manure option in wet floodplain environments. A completely randomized experimental design was used, with measurements repeated over time and six replications. The parameters were evaluated every 20 days (20, 40, 60, 80, 100 and 120 days after emergence - DAE), namely: mean plant height, root and shoot fresh and dry matter biomass, and total plant matter biomass. The legume showed a good development in soil under waterlogged condition, which led to high amounts of phytomass accumulation (approximately 139 t ha^-1 of total plant matter biomass and mean height of 4 m at 120 DAE).

KEYWORDS:
Green manure; waterlogged soil; aquatic legume

pH	Ca	Mg	Al	H + Al	P	K	Cu	Zn	Fe	Mn	OM¹ 1 OM: organic matter.
(H₂O)	cmol_c dm^-3				mg dm^-3						dag kg^-1
4.9	2.07	0.66	0.6	5.6	30.1	56	1.4	2.4	139	10.4	4.19

Source of variation	DF	Mean square
		MPH	SFW	SDW	RFW¹	RDW¹	TDW¹	TPW
		cm	kg ha^-1
Days	5	8.746^ Significant at 0.01, by the F-test. 1 Each variable is replaced with a log(x); 2 means are indicated with the original data.	3.21^ Significant at 0.01, by the F-test. 1 Each variable is replaced with a log(x); 2 means are indicated with the original data.	566,320,983.47^ Significant at 0.01, by the F-test. 1 Each variable is replaced with a log(x); 2 means are indicated with the original data.	1.112^ Significant at 0.01, by the F-test. 1 Each variable is replaced with a log(x); 2 means are indicated with the original data.	2.172^ Significant at 0.01, by the F-test. 1 Each variable is replaced with a log(x); 2 means are indicated with the original data.	1.357^ Significant at 0.01, by the F-test. 1 Each variable is replaced with a log(x); 2 means are indicated with the original data.	1.329^ Significant at 0.01, by the F-test. 1 Each variable is replaced with a log(x); 2 means are indicated with the original data.
Error	30	0.043	67,440,342.33	9,750,716.82	0.017	0.031	0.011	377,119,190.83
CV (%)		8.11	18.73	23.22	3.01	4.71	2.50	25.03
Mean		2.56	43,839.21	13,450.63	4.32	3.76	4.20	74,618.52
Days		Means²
20		0.79	13,688.37	2,392.25	4,906.98	855.82	3,248.07	18,595.35
40		1.59	27,376.74	4,784.50	9,813.95	1,711.63	6,496.13	37,190.70
60		2.53	34,862.32	8,840.58	17,839.13	4,696.23	13,536.81	52,701.45
80		2.91	48,128.94	16,017.58	34,959.71	13,462.27	29,479.85	83,088.64
100		3.42	63,172.22	22,122.22	53,252.78	21,627.78	43,750.00	116,425.00
120		4.10	75,806.67	26,546.67	63,903.33	25,953.33	52,500.00	139,710.00

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[TFN1] ¹ OM: organic matter.