Management of rice production systems to increase productivity
Management of rice production systems to increase productivity
Management of rice production systems to increase productivity
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Fertilizer Level Variety Grain Yield T/Ha<br />
2000 2001 2002 Ave<br />
WAB56‐50 1.2 0.6 1.1 1.0<br />
Zero Application WAB56‐125 1.1 1.2 1.1<br />
0‐0‐0<br />
WAB377‐B 0.9 0.4 0.8<br />
Peking 0.9 0.8 0.6<br />
BC<br />
1.1BC 0.7C 0.8C Low‐Input<br />
40‐40‐40<br />
High‐Input<br />
80‐40‐40<br />
Very High Input<br />
160‐80‐80<br />
Lsd.05<br />
CV(%)<br />
PFert<br />
PVariety<br />
PYear<br />
PFert*Year<br />
WAB56‐50<br />
WAB56‐125<br />
WAB377‐B<br />
Peking<br />
WAB56‐50<br />
WAB56‐125<br />
WAB377‐B<br />
Peking<br />
WAB56‐50<br />
WAB56‐125<br />
WAB377‐B<br />
Peking<br />
Drought affects plant growth, biomass <strong>production</strong> as well as grain<br />
<strong>production</strong>. The level <strong>of</strong> drought resistance in the tested low‐input <strong>rice</strong><br />
varieties was not sufficient under the extreme conditions that prevailed during<br />
0.8<br />
1.3<br />
1.8<br />
1.0<br />
1.7<br />
1.1<br />
2.1<br />
1.6<br />
2.8<br />
1.7<br />
1.0<br />
0.7<br />
0.9<br />
40.8<br />
0.8<br />
1.2<br />
0.8<br />
0.5<br />
1.6<br />
1.4<br />
0.9<br />
1.2<br />
1.4<br />
1.4<br />
1.5<br />
0.8<br />
0.5<br />
32.5<br />
1.0<br />
1.4<br />
1.0<br />
1.5<br />
2.3<br />
2.9<br />
2.5<br />
2.0<br />
1.5<br />
1.6<br />
1.1<br />
1.5<br />
1.0<br />
44.6<br />
0.9 C<br />
1.3 ABC<br />
1.0 BC<br />
0.9 C<br />
1.8 A<br />
1.8 A<br />
1.8 A<br />
1.6 AB<br />
1.8A 1.6AB 1.2ABC 1.0BC 0.6<br />
48.2<br />
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