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โครงการหนังสืออิเล็กทรอนิกส์ด้านการเกษตร เฉลิมพระเกียรติพระบาทสมเด็จพระเจ้าอยู่หัว

Table 22 Nutrients content (kg/rai) in the root of cassava in Wang Hai soil series at Nakhon Sawan
Province (rainy season 2017/2018)
Potassium (B) N Av. P2O5 Av. K2O Av.
(kg K2O/rai) KU50 RY11 (B) KU50 RY11 (B) KU50 RY11 (B)
0 5.05 5.09 5.07 1.43 1.66 1.54 7.71 11.07 9.39
4 6.34 6.13 6.24 1.50 1.26 1.38 9.14 8.90 9.02
8 5.24 7.08 6.16 1.83 1.40 1.62 10.32 10.81 10.56
12 5.53 5.40 5.47 1.41 1.54 1.48 7.97 11.25 9.61
16 5.40 5.78 5.59 1.33 1.48 1.40 8.59 10.77 9.68
Av. (A) 5.51 5.89 5.71 1.50 1.47 1.48 8.75 10.56 9.65
F-test (A) ns ns ns
F-test (B) ns ns ns
F-test (AxB) ns ns ns
CV (A) (%) 52.3 28.9 37.8
CV (B) (%) 20.8 10.8 25.6
Remark : KU = Kasetsart 50, RY11 = Rayong 11
Means in a column followed by the same letter are not significantly different at 5% level by DMRT,
* : Significant at 5% level, ** : Significant at 1% level , ns : Not significant

Table 23 Total nutrients content (kg/rai) in cassava in Wang Hai soil series at Nakhon Sawan Province
(rainy season 2017/2018)
Nitrogen (B) Total Nutrients content
(kg N/rai) N Av. P2O5 Av. K2O Av.
KU50 RY11 (B) KU50 RY11 (B) KU50 RY11 (B)
0 26.49 37.21 31.85 4.22 5.34 4.78 17.09 24.19 20.64
4 35.08 29.15 32.12 4.98 3.68 4.33 20.98 19.61 20.30
8 26.02 35.81 30.92 4.80 4.59 4.70 21.23 24.13 22.68
12 32.38 28.21 30.30 4.38 4.74 4.56 20.91 23.74 22.33
4.41
19.99
3.61
28.18
16
33.96
22.40
4.01
21.50
20.75
Av. (A) 30.79 30.56 30.67 4.56 4.39 4.48 20.34 22.33 21.34
F-test (A) ns ns ns
F-test (B) ns ns ns
F-test (AxB) ns ns ns
CV (A) (%) 16.3 24.5 12.4
CV (B) (%) 14.7 20.1 17.5
Remark : KU = Kasetsart 50, RY11 = Rayong 11
Means in a column followed by the same letter are not significantly different at 5% level by DMRT, ns : Not significant

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