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โครงการหนังสืออิเล็กทรอนิกส์ด้านการเกษตร เฉลิมพระเกียรติพระบาทสมเด็จพระเจ้าอยู่หัว

Table 8 Yield of sweet corn in clay loam (kilogram/rai)
Organic material
Chemical Fertilizer 2. Neem powder 3. Neem powder
rate 1. No Neem
(N-P 2O 5-K 2O kg/rai) powder rate rate Average
3.8 kg/rai 19 kg/rai
1. 0-5-5 2,101.2 2,160.5 1,961.5 2,074.4 b
2. 10-5-5 2,195.7 2,451.8 2,367.1 2,338.2 a
3. 15-5-5 2,372.3 2,550.5 2,326.4 2,416.4 a
4. 20-5-5 2,175.1 2,521.3 2,584.8 2,427.0 a
Average 2,211.1 2,421.0 2,310.0 2,314.0
CV (a) = 5.6% CV (b) = 8.7%
Means in the same column followed by the same letter are not significantly different at 5% by DMRT

Table 9 Total soluble solids of sweet corn in clay loam (% Brix)
Organic material
Chemical Fertilizer rate 1. No Neem 2. Neem powder 3. Neem powder
(N-P 2O 5-K 2O kg/rai) powder rate rate Average
3.8 kg/rai 19 kg/rai
1. 0-5-5 13.9 14.4 14.1 14.1 a
2. 10-5-5 13.7 13.8 13.6 13.7 a
3. 15-5-5 13.5 13.7 13.3 13.5 a
4. 20-5-5 12.5 13.6 13.4 13.2 b
Average 13.4 13.9 13.6 13.6
CV (a) = 5.2% CV (b) = 4.5%

Mean in the same column followed by the same letters are not significantly different at 5% by DMRT

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