Effects of Biochar, Lime, and Compost Applications on Soil Physicochemical Properties and Yield of Pomelo (Citrus grandis Osbeck) in Alluvial Soil of the Mekong Delta

Table 4

Effects of soil amendments and years on pomelo fruit number and fruit yield.

Factors		Number of fruit per tree	Fruit yield per tree (kg tree^−1)	Yield (ton ha^−1)
(A) Soil amendments	Control	29.3^c	24.5^c	15.3^c
	Biochar	41.1^a	33.8^a	21.1^a
	Lime	34.0^b	29.6^b	18.5^b
	Compost	41.2^a	33.3^a	20.8^a
(B) Years	2018	28.8^c	24.8^c	15.5^c
	2019	35.9^b	30.1^b	18.8^b
	2020	44.6^a	36.0^a	22.5^a
F (A)
F (B)
F (A × B)

Different letters in the same column indicate significant differences at , , and . Control, NPK fertilizer; biochar, NPK fertilizer + 5 ton·ha⁻¹·yr⁻¹ of biochar; lime, NPK fertilizer + 2 ton·ha⁻¹·yr⁻¹ of lime; compost, NPK fertilizer + 5 ton·ha⁻¹·yr⁻¹ of compost.