Utilization of biodegradable wastes as organic fertilizer for high value crops
2003
Aguinaldo, H.A. | Manantan, T.P. (Mariano Marcos State Univ. Batac, Ilocos Norte 2906 (Philippines). Coll. of Arts and Sciences)
The consumer demand to minimize the use of inorganic fertilizers and the search for an alternative source of fertilizer to reduce farming expenses have initiated biologists to develop strategies to utilize organic fertilizers. This was deemed necessary to help solve waste crisis by means of waste reduction. The experiment was laid in Random Complete Block Design (RCBD) with three replications. The five treatments were: T1=control (no fertilizer), T2=10 g inorganic fertilizer (6-9-15 complete and ammonium); T3=15 g organic fertilizer from discarded cabbage leaves (OFC); T4=15 g organic fertilizer from banana peelings (OFB); and T5=15 g organic fertilizer from coconut husk (OFCH). Results revealed no remarkable effects among treatments at 14 and 28 days after transplanting (DAT). Significant results on the height of plant, leaf length and number of leaves produced were observed at 42 and 56 DAT. At 56 DAT, the plants treated with inorganic fertilizer produced the tallest, the biggest leaf length and the greatest number of leaves. These were followed by those treated with OFB, OFC, OFCH and the control. Survival rate of tobacco plants was not significant among treatments. However, results showed that the application of organic fertilizer from banana peelings (OFB) showed an effect comparable to that of inorganic fertilizers. This indicates that OFB can be a potential source of organic fertilizers
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