Correlation Between Phonska Fertilizer on Rice Field and Cl Content of Tobacco in Jombang, East Java

Artikel Tembakau Berita Perkebunan

Estate Crops News – High Cl content of tobacco might have negative effect on quality. The study tried to find out correlation between added Phonska fertilizer to rice planted before tobacco on tobacco Cl content.  The objective was to determine the effect of added Phonska (10.8% Cl) to rice planted before tobacco on tobacco Cl content and quality.

The study was carried out in the area of tobacco in five districts of Jombang, East Java Province from May to November 2012.  Collecting data was done using survey method to the tobacco farmers and soil and tobacco samples were collecting from 100 points which were distributed in five districts based on land use map.  The results showed that the most tobacco farmers (67%) added Phonska to the rice planted before tobacco.  Addition of Phonska each year had caused accumulation of Cl in soil with high level >2% (90%).  Based on analysis of variance it was known that tobacco Cl content was strongly influenced by Phonska addition to rice planted before tobacco plants (PPP) and soil Cl content, but not influenced by Phonska as starter to tobacco plants (PPT). The corelation was expressed by equation: leaf Cl = 0.4266 x exponential ((0.367 PPP*) -(0.314 PPT) + (0.388 soil Cl*))*.

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