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Section 3 (Crop Management)

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grain yield<br />

and eff.<br />

tillers<br />

grain yield eff.tillers ear length grain/spike<br />

100<br />

50<br />

0<br />

T1 T2 T3 T4 T5 T6<br />

Intercropping treatments<br />

50<br />

0<br />

ear length<br />

andgrais/spi<br />

ke<br />

Figure 2. Effect of intercropping treatments on yield and yield attributes of wheat.<br />

maize and intercrop yield(q/ha)<br />

18<br />

16<br />

14<br />

12<br />

10<br />

8<br />

6<br />

4<br />

2<br />

0<br />

maize Intercrop Wheat maize Eqivalent<br />

T1 T2 T3 T4 T5 T6 N40 N100 N160<br />

Intercropping treatments N levels(kg/ha)<br />

90<br />

80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

0<br />

wheat and maize equivalent<br />

yield(q/ha)<br />

Figure 3. Grain yield of maize, intercrops, wheat and maize equivalent yield as<br />

influenced by intercropping and nitrogen levels.<br />

- 259 -<br />

Maize-wheat systems

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