The influence of growth parameters and climatic factors on efficiencies of solar energy utilization in sugarcane [in the Philippines]
1982
Shimabuku, M. | Kudo, M. | Tamaki, K.
Field experiment was carried to find out the efficiency of solar energy utilization in relation to growth parameters and climatic factors, using seven sugarcane varieties with different plant types. The average values of each variety of the efficiency of solar energy utilization during the whole measuring period ranged from 1.15% to 1.70% with the average at 1.44%. The highest value of the efficiency of solar energy utilization is measuring period was 4.14% for F 160 variety. The efficiency of solar energy utilization was positively correlated (r=0.7617) with solar radiation. It was considered that the efficiency of solar energy utilization was mainly affected by the magnitude of leaf area index in the early period of rapid growth, by net assimilation rate in the later period of rapid growth, and by the intensity of solar radiation in both growth periods. Different values of the leaf area index corresponding to the maximum values of the efficiency of solar energy utilization were observed in varieties.
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