EFFECT OF DIFFERENT IRRIGATION TREATMENTS ON SOYBEAN AND MAIZE YIELD GROWN UNDER DIFFERENT INTERCROPPING PATTERNS

Khalil, Fouad A. F.; Nor El Din, Tahany A. E.

doi:10.21608/fjard.2012.194677

EFFECT OF DIFFERENT IRRIGATION TREATMENTS ON SOYBEAN AND MAIZE YIELD GROWN UNDER DIFFERENT INTERCROPPING PATTERNS

Document Type : Research articles.

Authors

¹ Water Requirements and Field Irrigation Research Department; Soil, Water, and Environment Research Institute; Agricultural Research Center; Egypt.

² Crop physiology Research Department; Field Crops research Institute. Agricultural Research Center; Egypt.

10.21608/fjard.2012.194677

Abstract

Two field experiments were conducted at Giza Agricultural Research
Station during 2008 and 2009 seasons respectively. Three irrigation
regimes i.e irrigation at 1.2, 1.0 and 0.8 evaporation pan coefficient were
combined with four intercropping pattern of maize and soybean crop < br />(1:1, 1:2, 2:1, and 2:2) with three replications. The main results obtained
were as follows:
- Maize grain yield and its components were significantly affected by
different irrigation regimes during the two growing seasons. The
maximum values of maize crop were obtained with irrigation at 1.2
evaporation pan coefficient. The same trend was obtained with
soybean crop.
- Maize grain yield was significantly affected under the intercropping
pattern 1.2 alternated rows of soybean and maize.
- The highest soybean yield obtained under intercropping pattern 2:1
alternated rows of soybean and maize.
- Land equivalent ratio and relative crowdedness coefficient were higher
under intercropping pattern 2:2 and 1:2 soybean and maize using 0.8
and 1.2 evaporation pan coefficients, respectively.
- The highest seasonal consumptive use (60.83 and 63.81 cm) and water
use efficiency (0.51 and 0.47 cereal unit/cm. during the two growing
seasons were obtained under the intercropping pattern 1:2
soybean/maize, respectively.

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