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โครงการหนังสืออิเล็กทรอนิกส์ด้านการเกษตร เฉลิมพระเกียรติพระบาทสมเด็จพระเจ้าอยู่หัว

Table 11 Height of sweet corn in sandy loam (cm)
Chemical Fertilizer rate 30 day 60 day
Organic fertilizer (N-P 2O 5-K 2O kg./rai) (cm) (cm)

1. No OF 1. 0-5-10 40.8 a 126.1 b
2. 10-5-10 37.4 a 125.3 b
3. 15-5-10 41.5 a 140.8 a
4. 20-5-10 36.2 a 130.9 ab
average 39.0 130.8
2. OF rate 1. 0-5-10 37.1 b 130.3 a
520 kg dry weight/rai 2. 10-5-10 45.2 a 133.1 a
3. 15-5-10 40.4 ab 132.5 a
4. 20-5-10 39.1 b 127.0 a
average 40.5 130.7
3. OF rate 1. ใส่ปุ๋ย 0-5-10 44.2 ab 142.5 a
1,040 kg dry weight/rai 2. ใส่ปุ๋ย 10-5-10 47.8 a 146.0 a

3. ใส่ปุ๋ย 15-5-10 39.5 b 138.4 a
4. ใส่ปุ๋ย 20-5-10 42.2 ab 142.6 a
average 43.4 142.4
CV (a) 19.2 10.0
CV (b) 7.8 5.2
Mean in the same column followed by the same letters are not significantly different at 5% by DMRT
Table 12 Yield of sweet corn in sandy loam (cm)
Chemical Fertilizer Organic fertilizer

rate 1. No OF 2. OF rate 3. OF rate average
(N-P 2O 5-K 2O กก./ไร่) 520 kg dry weight/rai 1,040 kg dry weight/rai
1. 0-5-10 3,231.5 3,034.9 3,486.3 3,250.9
2. 10-5-10 3,076.6 3,130.8 3,425.0 3,210.8
3. 15-5-10 3,353.0 3,434.0 3,190.2 3,325.7
4. 20-5-10 3,433.5 2,891.0 3,330.8 3,218.4
average 3,273.6 3,122.7 3,358.1 3,251.5
CV (a) = 17.9% CV (b) = 7.4%
Mean in the same column followed by the same letters are not significantly different at 5% by DMRT

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