Response of castor (Ricinus communis L.) to organic fertilizer application and sowing date in the humid tropics | OCL

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Table 5

Effects of sowing date on some yield attributes of castor in 2021 and 2022.

Sowing Date (SD)	NCAP	WTCAP (g)	NRAC	NBR	NNODES
2021
Sowing date (SD)
SD1	43.0^ab	72.5^ab	1.8^a	2.3^a	21.7^a
SD2	39.2^abc	65.0^abc	1.2^b	1.8^ab	20.5^ab
SD3	55.3^a	104.3^a	1.3^b	1.8^ab	20.2^ab
SD4	20.8^bc	32.3^bc	1.2^b	1.5^b	18.7^b
SD5	31.0^bc	45.0^bc	1.2^b	1.5^b	20.2^ab
SD6	20.3^bc	31.5^bc	1.0^b	1.5^b	21.8^a
SD7	17.3^c	22.7^c	1.0^b	1.2^b	22.0^a
SED ± (24 df)	10.36	20.19	0.23	0.32	0.99
2022
Sowing Date (SD)
SD1	35.2^ab	49.2^bc	2.3^a	2.3^a	21.2^a
SD2	33.8^ab	51.7^abc	2.2^a	2.3^a	20.2^ab
SD3	34.5^ab	68.3^ab	1.7^ab	2.0^ab	17.5^b
SD4	44.5^a	90.2^a	2.3^a	2.5^a	18.7^ab
SD5	25.2^abc	41.0^bcd	1.7^ab	2.0^ab	17.5^b
SD6	16.7^bc	22.7^cd	1.2^b	1.3^bc	13.3^c
SD7	6.3^c	5.2^d	1.0^b	1.3^bc	11.2^c
SD8	7.7^c	8.0^d	1.2^b	1.0^c	1.41
SED ± (28 df)	9.30	18.29	0.38	0.82

SD1: June 18, SD 2: June 25, SD 3: July 2, SD 4: July 9, SD 5: July 16, SD 6: July 22, SD 7: July 29, SD 8: August 5, NCAP: number of capsules per plant, WCAP: weight of capsules per plant, NRAC: number of raceme per plant, NBR: number of branches per plant, NNODES: number of nodes per plant, SED: Standard Error of Difference, For the main effects, values within the same column with similar alphabets are not significantly different according to DMRT at 5% probability.

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