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โครงการหนังสืออิเล็กทรอนิกส์ด้านการเกษตร เฉลิมพระเกียรติพระบาทสมเด็จพระเจ้าอยู่หัว

Table 1 Height of sweet corn in clay loam (cm)

Treatment 30 days 60 days
(cm) (cm)
1. CF rate 0-5-5 N-P 2O 5-K 2O kg/rai 26.9 c 165.3 b
2. OF (filter cake) rate 350 kg dry weight/rai 28.9 bc 169.1 b
3. CF rate 5-5-5 N-P 2O 5-K 2O kg/rai + OF (filter cake) 30.1 ab 184.4 a
rate 350 kg dry weight/rai
4. CF rate 10-5-5 N-P 2O 5-K 2O kg/rai + OF (filter cake) 32.7 a 186.5 a

rate 350 kg dry weight/rai
5. CF rate 15-5-5 N-P 2O 5-K 2O kg/rai + OF (filter cake) 32.1 a 184.1 a
rate 350 kg dry weight/rai
6. CF rate 20-5-5 N-P 2O 5-K 2O kg/rai + OF (filter cake) 31.6 ab 185.0 a
rate 350 kg dry weight/rai
7. CF rate 20-5-5 N-P 2O 5-K 2O kg/rai 31.3 ab 188.3 a
average 30.5 180.4
C.V. (%) 6.3 5.3
Mean in the same column followed by the same letters are not significantly different at 5% by DMRT

Table 2 Yield of sweet corn in clay loam (cm)
Treatment Yield Pod wide Pod length TSS
(kg/rai) (cm) (cm) (% Brix)
1. CF rate 0-5-5 N-P 2O 5-K 2O kg/rai 2,147.47 d 5.16 b 18.75 b 15.93 a
2. OF (filter cake) rate 350 kg dry 2,306.01 cd 5.08 b 19.52 a 15.36 a
weight/rai
3. CF rate 5-5-5 N-P 2O 5-K 2O kg/rai + OF 2,711.04 bc 5.28 ab 19.50 a 14.30 b
(filter cake) rate 350 kg dry weight/rai
4. CF rate 10-5-5 N-P 2O 5-K 2O kg/rai + OF 3,037.57 ab 5.47 a 19.70 a 14.10 b
(filter cake) rate 350 kg dry weight/rai
5. CF rate 15-5-5 N-P 2O 5-K 2O kg/rai + OF 3,131.56 ab 5.53 a 19.74 a 14.10 b
(filter cake) rate 350 kg dry weight/rai
6. CF rate 20-5-5 N-P 2O 5-K 2O kg/rai + OF 3,292.07 a 5.54 a 19.79 a 13.86 b

(filter cake) rate 350 kg dry weight/rai
7. CF rate 20-5-5 N-P 2O 5-K 2O kg/rai 3,258.54 ab 5.53 a 19.64 a 13.98 b
average 2,840.60 5.37 19.52 14.52
C.V. (%) 12.1 3.7 2.4 4.8

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