Phosphorus fractions in Cerrado Oxisols fertilized with liquid swine wastewater

Magalhães, Sulamirtes S. de A.; Weber, Oscarlina L. dos S.

doi:10.1590/1807-1929/agriambi.v26n1p3-10

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Articles • Rev. bras. eng. agríc. ambient. 26 (1) • Jan 2022 • https://doi.org/10.1590/1807-1929/agriambi.v26n1p3-10 copy

Phosphorus fractions in Cerrado Oxisols fertilized with liquid swine wastewater¹ 1 Research developed at Campo Verde and Nova Mutum, MT, Brazil

Frações de fósforo em Latossolos do Cerrado adubados com dejeto líquido de suíno

Authorship SCIMAGO INSTITUTIONS RANKINGS

HIGHLIGHTS:

In all areas of study, higher percentages of P were found in moderately labile and residual forms.

There is no predominance of more labile P forms over non-labile ones when comparing areas with and without waste use.

The use of swine wastewater did not contribute to the accumulation of P in Cerrado soils.

ABSTRACT

Knowledge of the forms of phosphorus (P) accumulation in soils that received successive applications of swine waste is essential to prevent the potential contamination risk of shallow waters. This study aimed to evaluate the forms of P accumulation in Cerrado Oxisols subjected to successive applications of liquid swine wastewater. Soil samples were collected from areas with and without use history of swine waste in the 0-0.10 and 0.10-0.20 m soil layers in Campo Verde and Nova Mutum, MT, Brazil. A sequential chemical fractionation was performed, determining the total and available P concentrations. The main forms of P accumulated in the 0-0.20 m layer, despite the soil texture and usage or not of swine wastewater, were residual P and moderately labile P. There was no predominance of more available P forms concerning the unavailable forms when comparing areas with and without the use of swine waste.

Key words:
organic fertilization; sequential extraction; agro-industrial wastes

Areas	Municipality	Location	Soil use	Soil management
CV0	Campo verde	S 15° 34’ 21.03” W 55° 7’ 45.16”	soybean/maize	Area with mineral fertilization. Without liquid swine wastewater. All fertilizations performed in the sowing row. 2017 /2018- Soybean fertilization - 350 kg ha^-1 of Single Superphosphate + 200 kg ha^-1 of KCl + 6.5 kg ha^-1 of Coppergran Cu (10%). Mayze fertilization - 150 kg ha^-1 Single Superphosphate + 150 kg ha^-1; KCl + 10 kg ha^-1 of Zincodur Zn (25%) + 100 kg ha^-1 of ammonium sulphate. Minimum soil preparation (minimum cultivation)
CV3	Campo Verde	S 15° 34’ 22.11’’ W 55° 8’ 8.32”	soybean/maize	3-year fertilization with liquid swine wastewater, performed in 3 or 4 months per year, usually before sowing and during the early stages of the crop. Minimum soil preparation (minimum cultivation)
CV5	Campo Verde	S 15° 34’ 24.87” W 55° 8’ 22.19”	soybean/maize	5-year fertilization with liquid swine wastewater, performed in 3 or 4 months per year, usually before sowing and during the early stages of crop. Minimum soil preparation
CV7	Campo Verde	S 15° 33’ 57.72” W 55° 8 16.50”	soybean/maize	7-year fertilization with liquid swine wastewater, performed in 3 or 4 months per year, usually before sowing and during the early stages of the crop. Minimum soil preparation (minimum cultivation)
NM0.0P	Nova Mutum	S 13° 44’ 36.91” W 56° 3’ 52.60”	pasture	Area with mineral fertilization, without use of swine waste. Chemical correction is performed every 3 years with 1.5 t ha^-1 of dolomitic limestone + fertilization with 100 kg ha^-1 of Single Superphosphate
NM0.0P	Nova Mutum	S 13° 44’ 36.91” W 56° 3’ 52.60”	pasture	Forage grass Brachiaria brizantha cv. Piatã.
NM3	Nova Mutum	S 13° 44’ 38.75” W 56° 4’ 12.76”	pasture	3-year fertilization with liquid swine wastewater, performed every 6 months. Forage grass Brachiaria brizantha cv. Piatã.
0NM00SM	Nova Mutum	S 13° 44’ 38.49” W 56° 0’ 3.74”	soybean/maize	Area with mineral fertilization, without LSW. All fertilizations are performed in the sowing row.
				2017/2018 Season - Soybean fertilization - 400 kg ha^-1 of Triple Superphosphate + 150 kg ha^-1 KCl.
				Maize fertilization - 150 kg ha^-1 of Triple Superphosphate + 150 kg ha^-1 KCl + 100 kg ha^-1 of ammonium nitrate (emergence- VE)
				Minimum soil preparation (minimum cultivation).
NM5	Nova Mutum	S 13° 44’ 39.83” W 56° 0’ 24. 17”	pasture	5-year fertilization with liquid swine wastewater, performed every 5 months. Forage grass Brachiaria brizantha cv. Piatã.

Areas	pH H₂O	pH CaCl₂	P (mg dm³)	OM	Clay	Silt	Sand	Texture
Areas	pH H₂O	pH CaCl₂	P (mg dm³)	(g kg^-1)				Texture
0-0.10 m
CV0	6.70	5.99	26.32	7.42	243	33	724	medium
V3	5.20	4.35	6.83	7.00	243	33	724	medium
CV5	5.98	5.14	29.42	5.06	176	67	757	medium
CV7	5.54	4.72	18.55	4.81	170	33	797	medium
NM0.0P	5.94	4.92	1.57	2.83	43	33	924	sandy
NM3	6.13	4.88	13.88	2.47	77	23	900	sandy
NM00SM	5.73	4.73	7.57	8.55	443	33	524	clayey
NM5	5.74	4.94	7.80	8.67	410	66	524	clayey
0.10-0.20 m
CV0	5.81	4.91	9.84	6.63	277	33	690	medium
CV3	5.40	4.44	2.56	6.94	277	33	690	medium
CV5	5.54	4.64	26.10	4.13	177	33	790	medium
CV7	5.67	4.65	14.44	4.46	177	33	790	medium
NM0.0P	5.44	4.14	0.50	1.75	77	33	890	sandy
NM3	5.58	4.37	5.76	1.63	77	33	890	sandy
NM00SM	5.26	4.42	5.00	7.91	410	33	557	clayey
NM5	5.41	4.54	6.11	10.38	410	33	557	clayey

Areas	PA	Pt	Pi-bi	Po-bi	Pi-hi 0.1	Po-hi 0.1	Pi-hi 0.5	Po-hi 0.5	Pi HCl	Pr
0-0.10 (m)
CV0	26.32 a	374.20 a	24.44 ab	11.56 a	63.15 a	11.45 a	17.03 a	22.08 a	15.52 a	61.94 a
CV3	6.83 b	207.24 b	10.59 b	8.94 a	39.30 b	3.91 a	6.60 b	13.45 ab	10.33 a	71.41 a
CV5	29.42 a	322.20 ab	32.35 a	6.65 a	57.73 ab	12.83 a	11.38 ab	8.27 ab	17.85 a	72.85 a
CV7	18.55 ab	254.93 ab	21.25 ab	7.73 a	46.87 ab	10.15 a	13.65 ab	6.52 b	10.51 a	71.23 a
0.10-0.20 (m)
CV0	9.84 ab	297.82 a	18.71 ab	10.21 a	47.47 a	14.01 a	12.61 a	15.19 a	7.41 a	69.95 a
CV3	2.56 b	189.30 a	5.51 b	9.43 ab	27.13 b	4.75 a	5.13 b	13.19 a	6.36 a	65.03 a
CV5	26.10 a	267.08 a	25.76 a	4.68 b	37.45 ab	3.31 a	6.96 ab	9.70 ab	10.91 a	50.59 a
CV7	14.44 ab	212.02 a	17.63 ab	11.11 ab	37.40 ab	4.70 a	11.03 ab	5.03 b	6.50 a	75.39 a
0-0.10 (m)
NM0.0P	1.57 b	235.98 b	3.83 b	9.70 a	15.62 b	25.99 a	5.59 b	10.39 a	5.89 a	126.42 a
NM3	13.88 a	324.66 ab	28.24 a	8.22 a	37.38 ab	16.81 a	7.75 b	8.59 a	8.46 a	148.46 a
NM00SM	7.57 ab	458.10 a	20.64 ab	6.45 a	140.00 a	19.57 a	42.22 a	3.00 b	5.32 a	140.53 a
NM5	7.80 ab	424.23 a	8.93 ab	9.51 a	53.21 ab	38.64 a	28.67 ab	8.64 a	4.99 a	139.35 a
0.10-0.20 (m)
NM0.0P	0.50 b	209.98 b	2.27 b	9.45 a	10.29 b	24.90 a	3.72 b	7.88 a	6.47 a	111.20 a
NM3	5.76 a	257.54 ab	7.86 ab	11.93 a	18.52 ab	23.44 a	4.75 ab	8.14 a	5.99 a	135.70 a
NM00SM	5.00 ab	433.84 ab	13.82 a	10.23 a	121.70 a	21.28 a	36.77 a	2.72 a	4.79 a	160.22 a
NM5	6.11 a	392.32 ab	15.93 a	11.65 a	91.91 a	37.23 a	33.73 a	7.47 a	6.29 a	124.30 a

Unidade Acadêmica de Engenharia Agrícola Unidade Acadêmica de Engenharia Agrícola, UFCG, Av. Aprígio Veloso 882, Bodocongó, Bloco CM, 1º andar, CEP 58429-140, Campina Grande, PB, Brasil, Tel. +55 83 2101 1056 - Campina Grande - PB - Brazil
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[1] * Corresponding author - E-mail: sulamorim@yahoo.com.br

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Phosphorus fractions in Cerrado Oxisols fertilized with liquid swine wastewater1 1 Research developed at Campo Verde and Nova Mutum, MT, Brazil

Frações de fósforo em Latossolos do Cerrado adubados com dejeto líquido de suíno

HIGHLIGHTS:

ABSTRACT

Phosphorus fractions in Cerrado Oxisols fertilized with liquid swine wastewater¹ 1 Research developed at Campo Verde and Nova Mutum, MT, Brazil