. 2024 Feb 2;10(3):e25541. doi: 10.1016/j.heliyon.2024.e25541

Table 2.

Influences of specific-site nutrient management on biomass of pineapple in acid sulfate soil in Vi Thanh city and Long My district.

Location	Treatment	Dry biomass (kg ha⁻¹)
Location	Treatment	Crown	Flesh	Core	Shell	Slip	Peduncle	Stem	Leaves
VT	No fertilizer	366.7^b	718.63^d	238.7^f	1080.0^d	185.4^d	292.2^c	803.66^c	3878.7^c
	NPKCaMg	633.4^a	2359.9^a	650.7^a	2154.5^a	677.7^a	679.7^a	1394.9^a	8024.3^a
	PKCaMg	414.2^b	1034.0^c	328.6^e	1365.7^c	384.6^c	397.1^bc	1050.9^b	5256.9^b
	NKCaMg	526.9^a	2105.9^b	500.2^c	1950.4^ab	406.0^c	395.7^bc	1158.1^b	5642.5^b
	NPCaMg	573.8^a	2138.2^b	556.5^bc	1989.2^ab	527.9^b	412.0^bc	1061.1^b	4908.7^b
	NPKMg	581.5^a	2016.8^b	541.1^bc	1905.6^ab	581.0^b	437.0^ab	1085.8^b	5317.7^b
	NPKCa	542.2^a	2056.7^b	575.7^b	1824.6^b	575.2^b	424.4^ab	1102.9^b	5772.9^b
	FFP	626.8^a	1975.1^b	408.9^d	1894.3^ab	541.3^b	455.6^ab	1072.6^b	5940.0^b
LM	No fertilizer	568.2^c	1084.4^d	294.5^d	1384.3^f	352.9^c	398.9^c	816.78^c	5457.0^c
	NPKCaMg	783.3^a	2718.1^a	653.1^a	2390.7^a	811.7^a	663.1^a	1443.3^a	8235.0^a
	PKCaMg	638.3^bc	1473.6^c	330.3^cd	1558.5^e	403.4^c	459.7^bc	1070.9^b	6767.3^b
	NKCaMg	709.2^ab	2383.3^b	473.7^b	1865.5^bc	603.3^b	495.1^bc	1144.7^b	6784.7^b
	NPCaMg	715.0^ab	2376.4^b	409.9^bc	1734.8^cd	614.6^b	556.5^ab	1157.7^b	6840.7^b
	NPKMg	628.6^bc	2335.7^b	423.1^bc	1707.1^d	710.7^ab	555.7^ab	1161.9^b	6960.4^b
	NPKCa	693.9^ab	2395.3^b	473.1^b	1906.5^b	688.0^ab	578.3^ab	1146.8^b	6736.1^b
	FFP	761.6^a	2328.2^b	375.8^cd	1867.1^bc	766.5^ab	579.2^ab	1142.3^b	6363.7^bc
VT	F	*	*	*	*	*	*	*	*
VT	CV (%)	16.3	9.65	11.4	12.7	1.05	23.2	10.3	15.0
LM	F	*	*	*	*	*	*	*	*
LM	CV (%)	3.48	12.5	17.2	6.70	20.8	18.3	7.37	14.1

Note: VT: Vi Thanh city. LM: Long My district. In the same column, numbers followed by the same letters were different insignificantly from each other via Duncan post-hoc test.*: different at 5 % significance. ns: not significant. NPKCaMg: full fertilization; PKCaMg: fertilization without nitrogen; NKCaMg: fertilization without phosphorous; NPCaMg: fertilization without potassium; NPKMg: fertilization without calcium; NPKCa: fertilization without magnesium; FFP: farmers' fertilizing practice.