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โครงการหนังสืออิเล็กทรอนิกส์ด้านการเกษตร เฉลิมพระเกียรติพระบาทสมเด็จพระเจ้าอยู่หัว

Table 9 Nutrients content (kg/rai) in the stalk of cassava in Wang Hai soil series at Nakhon Sawan
Province (rainy season 2017/2018)
Nitrogen (B) N Av. P2O5 Av. K2O Av.
(kg N/rai) KU50 RY11 (B) KU50 RY11 (B) KU50 RY11 (B)
0 3.00 3.08 3.04 0.64 0.49 0.56 2.45 3.63 3.04
4 3.69 3.51 3.60 0.64 0.48 0.56 2.71 3.34 3.03
8 2.93 3.71 3.32 0.65 0.49 0.57 1.98 3.71 2.85
12 3.84 4.06 3.95 0.67 0.53 0.60 2.74 3.77 3.25
16 4.50 3.69 4.09 0.66 0.41 0.54 2.99 3.10 3.05
Av. (A) 3.59 3.61 3.6 0.65 0.48 0.57 2.57 b 3.51 a 3.04
F-test (A) ns ns *
F-test (B) ns ns ns
F-test (AxB) ns ns ns
CV (A) (%) 22.5 29.0 16.7
CV (B) (%) 42.8 15.8 13.3
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, ns : Not significant

Table 1 0 Nutrients content (kg/rai) in the root of cassava in Wang Hai soil series at Nakhon Sawan
Province (rainy season 2017/2018)
Nitrogen (B) N Av. P2O5 Av. K2O Av.
(kg N/rai) KU50 RY11 (B) KU50 RY11 (B) KU50 RY11 (B)
0 4.01 4.51 4.26 b 1.32 1.05 1.18 10.68 9.65 10.17
4 4.25 4.95 4.60 b 0.95 1.06 1.01 8.17 9.72 8.94
8 4.17 5.29 4.73 b 1.09 1.04 1.07 8.15 10.09 9.12
12 4.62 5.30 4.96 b 1.04 0.97 1.01 9.38 9.17 9.28
16 6.20 5.40 5.80 a 1.07 1.00 1.03 8.70 10.05 9.37
5.09
9.74
Av. (A) 4.65 ns 4.87 1.09 a 1.03 b 1.06 9.02 ns 9.38
F-test (A)
*
F-test (B) ** ns ns
F-test (AxB) ns ns ns
CV (A) (%) 20.8 3.1 5.6
CV (B) (%) 12.0 19.7 19.7
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

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