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Journal of Biological Sciences
  Year: 2006 | Volume: 6 | Issue: 1 | Page No.: 82-86
DOI: 10.3923/jbs.2006.82.86
Effects of Biological and Chemical Fertilizers on Growth and Yield of Shallot (Allium cepa var. ascolonicum) Production
Sopit Vetayasuporn

Abstract:
A block experiment was undertaken to determine the effects of biological and chemical (NPK 15:15:15) fertilizers on the growth and yield of shallot cultivation in Mahasakham University, Mahasarakham province, Northeast Thailand. Six biological fertilizers were developed from BBF (basically biological fertilizer: 45 g cattle manure + 45 g rice bran + 20 mL of molasses + 10 mL of EM + 10 L of dechlorinated water) and used in this experiment. Chemical and biological fertilizers showed insignificant at a confidence level of 95% on the growth and yield of shallots. Increasing biological and chemical fertilizers concentration in this experiment had no significant effect on shallot growth and yield. Except control (without fertilizer), average shallot total weight with leaves and number of leaves per plant in all treatments were ranged between 9.885-12.024 g and 19.095-21.840 leaves, respectively. Average shallot total weight with leaves and number of leaves per plant obtained in this experimental were coincided to the Thai market standard. Growth and yield of these shallots showed significant different to the control (5.525 g of weight and 15.625 leaves per plant). Supplemented golden apple snails (Pomacea canaliculat) into BBF provided higher NO3¯ contents (4.28-4.68%). However, the high content of nitrate in biological fertilizer did not show significant effects in promoting shallot growth and yield. Under taking into account chemical fertilizer cost, which is ten times higher than biological fertilizer, the soil amendment with biological fertilizer may be a practicable alternative for the poor farmers who own degraded farmlands may be unable to afford the cost of chemical fertilizer.
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How to cite this article:

Sopit Vetayasuporn , 2006. Effects of Biological and Chemical Fertilizers on Growth and Yield of Shallot (Allium cepa var. ascolonicum) Production. Journal of Biological Sciences, 6: 82-86.

DOI: 10.3923/jbs.2006.82.86

URL: https://scialert.net/abstract/?doi=jbs.2006.82.86

 
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