e-journal
Effects of Si-Fertilizer Application through the Leaves on Yield and Sugar Content of Sugarcane Grown in Soil Containing Abundant N
The research objective is to overcome the negative effects of the very high N supply for the sugar content of sugar cane. While on the other hand in order to produce high sucrose, sugarcane requires a supply provided approximately 350 kg N/ha. Experiments conducted on the sugar cane plantations containing available N higher than 2500 kg/ha. The treatments were: 1)without spraying of Si-fertilizer and 2) with spraying of Si-fertilizer began when sugarcane 3 months old (8 times spraying), with consentration of 4.3 g/L. Experiment ended at the age of 10 months for PS881 and 12 months for BL. Spraying tends to produce a yield that is different from unsprayed cane. Si-fertilizer decreased sugar content of BL, but increased harvest yield. Si-fertilizer decreased harvest yield, but increased the sugar content of PS 881.
Keywords: Sugar cane, BL, PS881, supplay, nitrogen, sugar content.
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