Kemunduran Kualitas Pupuk Hayati Rhizobium

Authors

  • Prihastuti Prihastuti Balai Penelitian Tanaman Kacang-Kacangan dan Umbi-Umbian Jalan Raya Kendal Payak Kotak Pos 66, Malang
  • A. Harsono Balai Penelitian Tanaman Kacang-Kacangan dan Umbi-Umbian Jalan Raya Kendal Payak Kotak Pos 66, Malang

Abstract

This is a descriptive analytical research to describe the quality deterioration of Rhizobium bio-fertilizer product during storage. The material was used a Rhizobium bio-fertilizer in plastic packing, which was stored in an incubator by temperature of 28oC for nearly ten months. The results showed that there had been a defect in the sealing plastic and formed small holes, caused the contamination, evidently by the growth of bacterial colonies were diverse. The analysis of C, N, P and K content indicated that career matter of bio- fertilizer composition belong to the dignity of the high fertility to support microbial growing. Total population of microbes in Rhizobium bio-fertilizer of all observed samples >106 cfu/g, but could not be considered a total population of Rhizobium. The damage of sealing packing decreased of the moisture career matter and become a limiting factor to support microbial viability. It was recommended to use a better quality plastic with appropriate sealing system. 

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Published

2016-10-14

Issue

Vol. 1 No. 1 (2012): Oktober, Sains & Matematika

Section

Articles

License

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