Page 197 -

โครงการหนังสืออิเล็กทรอนิกส์ด้านการเกษตร เฉลิมพระเกียรติพระบาทสมเด็จพระเจ้าอยู่หัว

Table 7 Height of sweet corn in clay loam (cm)
Chemical Fertilizer 30 day 60 day
Organic fertilizer rate (cm) (cm)

(N-P 2O 5-K 2O kg./rai)
1. No OF 1. 0-5-5 31.4 167.7
2. 10-5-5 32.3 195.5
3. 15-5-5 37.1 208.3
4. 20-5-5 36.0 201.0
average 34.2 193.1
2. OF rate 1. 0-5-5 28.4 155.8
520 kg dry weight/rai 2. 10-5-5 38.5 198.6
3. 15-5-5 35.3 200.1
4. 20-5-5 36.3 202.9
average 34.6 189.3
3. OF rate 1. 0-5-5 32.6 166.5

1,040 kg dry 2. 10-5-5 38.0 200.0
weight/rai
3. 15-5-5 39.6 204.7
4. 20-5-5 40.1 205.9
average 37.6 194.3
CV (a) 15.5 8.5
CV (b) 8.6 4.9
Mean in the same column followed by the same letters are not significantly different at 5% by DMRT

Table 8 Yield of sweet corn in clay loam (cm)
Chemical Fertilizer Organic fertilizer
rate 2. OF rate 3. OF rate
(N-P 2O 5-K 2O กก./ไร่) 1. No OF 520 kg dry 1,040 kg dry average
weight/rai weight/rai
1. 0-5-5 1,486.3 1,240.2 1,708.8 1,478.4 c
2. 10-5-5 2,407.8 2,670.5 2,468.9 2,515.7 b
3. 15-5-5 3,040.6 3,068.8 3,065.6 3,058.3 a
4. 20-5-5 3,218.0 2,993.3 3,405.3 3,205.5 a
average 2,538.2 2,493.2 2,662.2 2,564.5
CV (a) = 1.5% CV (b) = 13.6%
Mean in the same column followed by the same letters are not significantly different at 5% by DMRT

189