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All Journal Berkala Penelitian Hayati
Sarjiya Antonius
Research Center for Biology-Indonesian Institute of Science
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology

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EFFECTS OF BIOFERTILIZER CONTAINING MICROBIAL OF N-FIXER, P SOLUBILIZER AND PLANT GROWTH FACTOR PRODUCER ON CABBAGE (BRASSICA OLERACEAE VAR. CAPITATA) GROWTH AND SOIL ENZYMATIC ACTIVITIES: A GREENHOUSE TRIAL Sarjiya Antonius; Dwi Agustiyani
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 16 No 2 (2011): June 2011
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23869/301

Abstract

Biofertilizer has been identified as an alternative to chemical fertilizer to increase soil fertility and crop production in sustainable farming. The objective of this greenhouse study was to evaluate the effects of four different concentrations of biofertilizers containing Pseudomonas sp., Bacillus sp. and Streptomyces sp. on soil properties and to evaluate the growth of Brassica oleraceae var. capitata. The application treatments included control (no fertilizer) and four concentration of diluted biofertilizer per pot (20 ml, 40 ml, 60 ml and 80 ml). The application of biofertilizer containing benefi cial bacteria signifi cantly increased the growth of B. oleraceae. The use of biofertilizer resulted higher biomass weight and length as well as root length. This greenhouse study also indicated that different amount of biofertilizer application had almost similar effects. Microbial inoculum not only increased plant harvest, but also improved soil properties, such as number of microorganisms, respiration and urease activities.
PENGARUH PUPUK ORGANIK HAYATI YANG MENGANDUNG MIKROBA BERMANFAAT TERHADAP PERTUMBUHAN DAN HASIL PANEN TANAMAN SEMANGKA SERTA SIFAT BIOKIMIA TANAHNYA PADA PERCOBAAN LAPANGAN DI MALINAU-KALIMANTAN TIMUR Sarjiya Antonius; Dwi Agustiyani
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 16 No 2 (2011): June 2011
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23869/309

Abstract

In field experiments during dry season 2010, the effects of biofertilization on growth of fruit yield Semangka (Citrullus lanatus) and of biochemical properties of soil were investigated. The experimental design was Randomly Block Design (RBD) with four treatments and five replications. The treatments were biofertilizer only; chemical fertilizer only; biofertilizer plus a half dose of chemical fertilizer, and control. The application of biofertilizer which was a mixture of Pseudomonas sp., Bacillus sp. and Streptomyces sp and chemical fertilizers (only 50% of the recommended dosage of NPK) increased vegetative growth (plant height, number of branches) compared to chemical fertilizer treatments only. An addition of biofertilizer with the chemical fertilizer also increased the biochemical properties as well as the yield of C. lanatus compared to other treatments. The possible role of biofertilizer on improving soil enzymatic activities, vegetative growths and yield will be discussed more detail in the paper.
Co-Authors Dwi Agustiyani Dwi Agustiyani