Proceedings of the Fifth Asian Regional Maize Workshop - Search ...

Table 4. MYR grain maize yields over 5 seasons 1988-1990 (t/ha) .
season
Std. dey
Treatment 2 3 4 5 viation
V1S1 F1 5.73 5.46 6.27 5.46 6.11 0.37
V1S1MF1 7.13 5.06 5.54 5.14 7.28 1.09
V1S1F2 5.96 5.44 6.15 5.42 6.72 0.54
V1S1MF2 6.05 4.89 5.49 4.80 7.55 1.12
V1S2F1 6.22 5.39 7.09 5.76 7.02 0.75
V1S2MF1 6.93 5.72 7.01 7.02 7.77 0.74
V1S2F2 6.15 6.15 7.70 6.76 7.41 0.71
V1S2MF2 6.68 7.15 8.35 7.50 7.88 0.64
V2S1F1 6.14 5.80 7.07 6.67 6.94 0.54
V2S1MF1 6.09 6.95 6.96 7.92 10.14 1.55
V2S1F2 5.75 7.24 7.47 6.96 9.45 1.34
V2S1MF2 5.91 7.77 7.69 7.68 9.95 1.43
V2S2F1 5.95 7.66 7.94 6.81 8.06 0.89
V2S2MF1 5.61 7.08 8.81 8.11 9.18 1.44
V2S2F2 6.45 8.40 9.00 8.34 9.30 1.11
V2S2MF2 6.00 7.70 7.84 8.00 9.73 1.32
6.17 6.49 7.27 6.77 8.16
Y
V1 = Suwan 1 S1 = 15 x 75cm F1 = 120:60:60 M= Manure at
V2 = Hybrid C1 S2 = 25 x 75cm F2 = 360: 180: 180 45 tjha
Table 5. Significant correlations between nutrient concentrations and plant parameters (at 1%
level of significance).
Hybrid C1 SUwan 1
----------------------------------------- ------------------------------------------
PH. PH. Correlation PH. Plt. Correlation
nutrient parameter coefficient nutrient parameter coefficient
Leaf K1 Y Ear length 0.55 Leaf Fe1 Yield 0.62
Leaf Mg2 Y Plant height -0.58 Stem N1 Ear length 0.55
Leaf Mn2 Grain row
..
0.61 Stem K1 hgt 0.55
Stem K2 Plant height 0.69 Leaf P2 length 0.56
Stem K2 Ear height 0.55 Leaf Mg2 Plt hht -0.74
tasseling
harvest
Stem N2 Ear hgt 0.58
Stem K2 .. hgt 0.69
Leaf Mg2 .. hgt -0.62
Stem K2 Plt hgt 0.71
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