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

Table 5.

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

Location	Treatment	Fruit length	Fruit diameter	Fruit weight	Yield
Location	Treatment	cm	cm	kg	(t ha⁻¹)
VT	No fertilizer	12.9^d	6.50^d	0.52^f	14.8^e
	NPKCaMg	19.4^a	9.27^a	1.40^a	35.5^a
	PKCaMg	13.1^d	7.33^c	0.72^e	19.5^d
	NKCaMg	15.7^c	8.59^b	1.03^cd	27.4^bc
	NPCaMg	16.8^bc	8.61^b	1.18^bc	27.9^b
	NPKMg	17.7^b	8.63^b	1.22^b	28.4^b
	NPKCa	17.6^b	8.66^b	1.21^b	27.9^b
	FFP	15.9^c	8.55^b	1.00^d	24.5^c
LM	No fertilizer	14.3^e	7.04^d	0.90^e	21.6^d
	NPKCaMg	18.2^a	9.30^a	1.38^a	35.9^a
	PKCaMg	15.2^d	7.85^c	1.03^d	24.9^c
	NKCaMg	17.2^bc	8.65^b	1.16^c	29.7^b
	NPCaMg	17.4^ab	8.58^b	1.15^c	30.1^b
	NPKMg	17.1^bc	8.61^b	1.21^bc	30.8^b
	NPKCa	17.7^ab	8.59^b	1.26^b	30.8^b
	FFP	16.2^c	8.57^b	1.16^c	29.2^b
VT	F	*	*	*	*
VT	CV (%)	8.06	5.25	12.1	10.5
LM	F	*	*	*	*
LM	CV (%)	4.75	6.21	5.45	5.71

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.