Nutritional value of cactus pear grown under different levels of nitrogen and phosphorus and two harvest frequencies

Gomes, Gil Mario Ferreira; Cândido, Magno José Duarte; Lopes, Marcos Neves; Galvani, Diego Barcelos; Soares, Ismail; Neiva, José Neuman Miranda

doi:10.37496/rbz5020210002

Gil Mario Ferreira Gomes ^**Corresponding author: gilmario.gomes@ifpi.edu.br

Instituto Federal de Educação, Ciência e Tecnologia do Piauí, Campus Paulistana, Paulistana, PI, Brasil.

http://orcid.org/0000-0003-4229-0395

Magno José Duarte Cândido

Universidade Federal do Ceará, Departamento de Zootecnia, Fortaleza, CE, Brasil.

http://orcid.org/0000-0003-3573-6053

Marcos Neves Lopes

Instituto Federal de Educação, Ciência e Tecnologia do Piauí, Campus Valença do Piauí, Valença do Piauí, PI, Brasil.

http://orcid.org/0000-0002-1562-3919

Diego Barcelos Galvani

Empresa Brasileira de Pesquisa Agropecuária - Embrapa Caprinos e Ovinos, Sobral, CE, Brasil.

http://orcid.org/0000-0002-1737-3044

Ismail Soares

Universidade Federal do Ceará, Departamento de Ciências do Solo, Fortaleza, CE, Brasil.

http://orcid.org/0000-0002-1370-0888

José Neuman Miranda Neiva

Universidade Federal do Tocantins, Escola de Medicina Veterinária e Zootecnia, Araguaína, TO, Brasil.

http://orcid.org/0000-0001-7817-8210

*Corresponding author: gilmario.gomes@ifpi.edu.br

Conflict of Interest

The authors declare no conflict of interest.

Author Contributions

Data curation: G.M.F. Gomes and M.N. Lopes. Formal analysis: G.M.F. Gomes, M.J.D. Cândido, D.B. Galvani and I. Soares. Investigation: G.M.F. Gomes, M.J.D. Cândido and M.N. Lopes. Methodology: G.M.F. Gomes, M.J.D. Cândido, M.N. Lopes, D.B. Galvani and I. Soares. Project administration: G.M.F. Gomes and M.J.D. Cândido. Supervision: M.J.D. Cândido. Visualization: G.M.F. Gomes and M.J.D. Cândido. Writing-original draft: G.M.F. Gomes and M.J.D. Cândido. Writing-review & editing: G.M.F. Gomes and M.J.D. Cândido.

HF	Nutrient	Regression equation	R²
	Quixadá
Annual	TDM	$Y = 203.505 - {0.8113}^{*} P + {0.003335}^{ϕ} P^{2}$	0.49
	OM	$Y = 878.272 + {0.2263}^{ϕ} N + {0.001820}^{} N^{2} + 0.07256 P + {0.001926}^{} P^{2} - {0.004816}^{*} N P$	0.92
	CP	$Y = 59.7605 + {0.07724}^{*} P$	0.29
	TC	$Y = 837.610 - {0.2345}^{* *} P$	0.84
	NDF	$Y = 343.2530 - {1.1946}^{} N + {0.004596}^{} N^{2}$	0.44
Biannual	TDM	$Y = 143.1690 + 0.4898 N + {0.01157}^{} N^{2} + 0.4611 P + {0.01135}^{} P^{2} - {0.02923}^{*} N P$	0.98
	OM	$Y = 921.29$	-
	CP	$Y = 44.0211 + 0.005999 N - {0.001548}^{} N^{2} - 0.006810 P - {0.001397}^{} P^{2} + {0.003464}^{*} N P$	0.83
	TC	$Y = 859.707 - {0.1111}^{* *} P$	0.37
	NDF	$Y = 320.715 + {0.3890}^{* } N - {1.2295}^{ } P + {0.005777}^{ *} P^{2}$	0.66
	Tejuçuoca
Annual	TDM	$Y = 105.780 - {0.2602}^{* } P + {0.0009695}^{} P^{2}$	0.89
	OM	$Y = 886.37$	-
	CP	$Y = 93.80$	-
	TC	$Y = 788.735 - {0.2018}^{*} P$	0.33
	NDF	$Y = 111.988 + {1.5019}^{* * } N + {1.4269}^{ * } P - {0.0117}^{ *} N P$	0.89
Biannual	TDM	$Y = 91.6905 - {0.06726}^{* *} P$	0.57
	OM	$Y = 887.350 + {0.1196}^{* } N - {0.1232}^{ *} P$	0.33
	CP	$Y = 59.1321 + {0.4005}^{*} N - {0.001540}^{ϕ} N^{2} + {0.1063}^{ϕ} P$	0.59
	TC	$Y = 795.809 - {0.2166}^{* *} P$	0.35
	NDF	$Y = 331.365 + 0.6441 N - {0.004778}^{} N^{2} + 0.6882 P - {0.004410}^{} P^{2}$	0.43

HF	Macromineral (g kg⁻¹ DM)	Regression equation	R²
		Quixadá
Annual	P	$Y = 1.3278 - {0.002485}^{} N - {0.007162}^{} P + {0.00002819}^{ϕ} P^{2}$	0.60
	K	$Y = 51.5797 - {0.2276}^{* } N - {0.0008021}^{ϕ} N^{2} - {0.1152}^{ϕ} P - {0.001262}^{ } P^{2} + {0.003428}^{ *} N P$	0.97
	Ca	$Y = 25.3493 - {0.01701}^{ϕ} N$	0.46
	Mg	$Y = 9.4276 - 0.007529 * P$	0.32
	S	$Y = 1.1565 + {0.07069}^{* * } N - {0.0002368}^{ } N^{2} + {0.04335}^{} P - {0.0002234}^{*} P^{2}$	0.83
Biannual	P	$Y = 0.6711 - 0.00087 N - {0.00002908}^{* } N^{2} - {0.001956}^{ϕ} P - {0.00002082}^{} P^{2} + {0.00006577}^{* *} N P 0.44$	0.44
	K	$Y = 20.2429 + {0.02501}^{ϕ} N - {0.0001276}^{*} N^{2}$	0.24
	Ca	$Y = 21.4868 + {0.03802}^{ϕ} P - {0.0002449}^{*} P^{2}$	0.24
	Mg	$Y = 6.0266 + 0.01706 * N - {0.0001056}^{* } N^{2} + {0.01369}^{} P - {0.00005654}^{ϕ} P^{2}$	0.88
	S	$Y = 2.8499 + {0.07490}^{* } N - {0.0001917}^{ϕ} N^{2} + {0.09599}^{ * } P - {0.0004798}^{ * *} P^{2}$	0.69
		Tejuçuoca
Annual	P	$Y = 0.4000 + {0.004593}^{} N - {0.00001763}^{} N^{2} + {0.005024}^{* } P - {0.00003228}^{ * *} P^{2}$	0.72
	K	$Y = 23.1727 + 0.04526 P - {0.0003402}^{*} P^{2}$	0.74
	Ca	$Y = 35.0091 - {0.1261}^{* * } P + {0.0003625}^{} P^{2}$	0.87
	Mg	$Y = 8.68$	-
	S	$Y = 6.86$	-
Biannual	P	$Y = 1.3383 - {0.01069}^{* * } N + {0.00006287}^{ * } N^{2} - {0.008930}^{ * } P + {0.00004773}^{ * *} P^{2}$	0.76
	K	$Y = 18.7489 + 0.01447 N + 0.0006780 * N^{2} + 0.04070 P + {0.0007327}^{* } P^{2} - {0.001712}^{} N P$	0.54
	Ca	$Y = 22.9494 - {0.04529}^{* * } N + {0.04351}^{} P - {0.0003539}^{* * *} P^{2}$	0.92
	Mg	$Y = 12.1238 - {0.04158}^{} N + {0.0001518}^{ϕ} N^{2} + {0.02180}^{ *} P$	0.60
	S	$Y = 15.1768 - {0.04410}^{ϕ} N + {0.0004903}^{* } N^{2} + 0.008297 P + 0.0004220 P^{2} - {0.0007496}^{ϕ} N P$	0.63

HF	Micromineral (mg kg⁻¹ DM)	Regression equation	R²
		Quixadá
Annual	Cu	$Y = 0.04982 - {0.0002794}^{* } N + {0.000001171}^{} N^{2}$	0.67
	Fe	$Y = 64.4255 - 0.1580 * N + {0.3649}^{ϕ} P - {0.001551}^{ϕ} P^{2}$	0.22
	Mn	$Y = 140.095 - 0.4714 N + {0.01088}^{* } N^{2} + {2.4986}^{ } P - {0.02129}^{ *} N P$	0.67
Biannual	Cu	$Y = 0.03189 - {0.0002426}^{* *} P + {0.0000009935}^{ϕ} P^{2}$	0.53
	Fe	$Y = 62.7841 + {0.07884}^{*} P$	0.13
	Mn	$Y = 118.124 + {1.2556}^{* } N - {0.005051}^{ *} N^{2} + 0.4225 P - {0.003057}^{ϕ} P^{2}$	0.57
		Tejuçuoca
Annual	Cu	$Y = 0.02507 + {0.0001074}^{* *} N$	0.34
	Fe	$Y = 165.287 - {0.8545}^{* } P + {0.004042}^{ *} P^{2}$	0.35
	Mn	$Y = 307.643 + {0.3825}^{ϕ} N$	0.13
Biannual	Cu	$Y = 0.014 + 4.76 \cdot 10^{- 4 * * } N + 2.02 \cdot 10^{- 6 } N^{2} + 2.01 \cdot 10^{- 4 ϕ} P + 3.56 \cdot 10^{- 6 * * } P^{2} - 8.43 \cdot 10^{- 6 *} N P$	0.80
	Fe	$Y = 43.9319 + 0.09494 N + {0.006434}^{* } N^{2} + {0.5232}^{} P + {0.006638}^{* } P^{2} - {0.01696}^{ * *} N P$	0.59
	Mn	$Y = 453.320 - {3.2112}^{* } N + {0.01869}^{ *} N^{2} + {0.7288}^{ϕ} P$	0.65

HF	Parameter	Regression equation	R²
		Quixadá
Annual	A	$Y = 217.6190 - {0.2991}^{* *} N$	0.90
	c	$Y = 0.05052 + {0.0001412}^{* * *} N + {0.00006060}^{ϕ} P$	0.89
	L	$Y = 2.3884 + 0.01270 N + {0.0001948}^{} N^{2} - 0.008298 P + {0.0002373}^{ } P^{2} - 0.0004220 N P$	0.88
Biannual	A	$Y = 98.3020 - 0.02795 N + 0.002425 * N^{2} + {0.4312}^{*} P - {0.003421}^{ϕ} N P$	0.73
	c	$Y = 0.07490 + 3.420 \cdot 10^{- 5} N - 4.184 \cdot 10^{- 6 * } N^{2} - 3.318 \cdot 10^{- 4 } P - 2.417 \cdot 10^{- 6 } P^{2} + 8.451 \cdot 10^{- 6 *} N P$	0.85
	L	$Y = 3.48$	-
		Tejuçuoca
Annual	A	$Y = 112.2980 + {0.0750}^{*} N$	0.32
	c	$Y = 0.1174 + {0.0001306}^{* *} N$	0.53
	L	$Y = 2.9120 + {0.005058}^{*} N + {0.003344}^{ϕ} P$	0.85
Biannual	A	$Y = 100.7570 + {0.06532}^{} N + {0.3433}^{ * } P - {0.001864}^{ * *} P^{2}$	0.72
	c	$Y = 0.1612 + 0.0001720 N - {0.000003107}^{* } N^{2} - {0.0005732}^{} P + {0.000005104}^{*} N P$	0.42
	L	$Y = 3.5777 + {0.01398}^{* } N - {0.00004758}^{} N^{2}$	0.86

Nutrient (g kg⁻¹ DM)	Harvest		SEM	P-value

	Annual	Biannual
	Quixadá
TDM¹	163.70b	193.87a	0.60	0.0259
OM	900.80b	921.29a	0.28	<0.0001
CP	67.48a	46.17b	0.29	<0.0001
TC	810.55b	849.10a	0.51	<0.0001
NDF	279.87b	307.04a	0.77	0.0464
	Tejuçuoca
TDM¹	92.17a	84.97b	0.14	0.0013
OM	886.37	886.99	0.22	0.8378
CP	93.80	90.72	0.25	0.5548
TC	769.12	774.13	0.41	0.5314
NDF	275.08b	350.66a	1.26	<0.0001

Macromineral (g kg⁻¹ DM)	Harvest		SEM	P-value

	Annual	Biannual
	Quixadá
P	0.71a	0.51b	0.05	0.0009
K	30.09a	21.16b	1.29	<0.0001
Ca	23.65	22.24	0.42	0.0542
Mg	8.68a	7.10b	0.23	<0.0001
S	6.86b	11.61a	0.79	<0.0001
	Tejuçuoca
P	0.74	0.74	0.05	0.9899
K	23.46	22.66	0.47	0.3232
Ca	26.89a	18.38b	1.30	<0.0001
Mg	9.86b	11.83a	0.36	<0.0001
S	12.96b	14.48a	0.44	0.0319

Micromineral (mg kg⁻¹ DM)	Harvest		SEM	P-value

	Annual	Biannual
	Quixadá
Cu	0.036a	0.020b	0.002	<0.0001
Fe	65.80	70.83	3.55	0.1110
Mn	238.68a	183.11b	11.05	0.0002
	Tejuçuoca
Cu	0.036b	0.056a	0.003	<0.0001
Fe	129.96a	77.58b	8.23	<0.0001
Mn	347.17b	436.49a	21.17	0.0015

Parameter	Harvest		SEM	P-value

	Annual	Biannual
	Quixadá
A	186.48a	129.38b	7.55	<0.0001
c	0.072a	0.059b	0.003	<0.0001
L	3.60	3.48	0.16	0.555
	Tejuçuoca
A	119.22	119.18	1.69	0.980
c	0.120b	0.132a	0.003	0.005
L	3.32b	4.06a	0.15	<0.0001

[1] *Corresponding author: gilmario.gomes@ifpi.edu.br

Brasil

Brasil

Nutritional value of cactus pear grown under different levels of nitrogen and phosphorus and two harvest frequencies

ABSTRACT