Effect of Planting Date on Forage Maize Growth and Yield in Cambodia’s Wet Season
2022
Lee, Y.H. | Hwang, T.Y.
The purpose of this study was to evaluate the forage maize varieties and sowing date under wet seasons conditions and determined the effects on yield in Cambodia. In this study, the number of days from sowing to silking was approximately nine longer in May and June than in July, August, and September. The number of days from silking to harvest was seven shorter in May and June than in July, August, and September. The variety with the least decrease in ear height was ‘BT5666’, and the variety with the least decrease in ear height ration was ‘CP888’. On the other hand, in sowing days, ear height ratio decreased in September. The best sowing season in ear length, ear width, number of ears and number of grains per row was in May. In this study, ‘BT5666’ was the variety with significant decrease with a 90% reduction in yield. The results indicate that the yield was high during the sowing period in May and in June because of the appropriate precipitation, temperature, and solar radiation. However, August and September had significantly reduce in yield by high precipitation and low solar radiation.
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