Effect of Biofertilizer Application on Population of Nitrogen Fixing Bacteria and Yields of Chili Pepper at Temanggung, Central Java

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Effect of Biofertilizer Application on Population of Nitrogen Fixing Bacteria and
Yields of Chili Pepper at Temanggung, Central Java

Ridha Nurlaily*, Samijan, Vina Eka A and Fitri Lestari
Central Java Assesment Institute for Agricultural Technology
*Corresponding author: Alamat email ini dilindungi dari robot spam. Anda memerlukan Javascript yang aktif untuk melihatnya.

 


Abstract

 

The sustainability of chili production is influenced by plant pest disturbances, for which farmers strive to suppress chili plant pests by using high chemical pesticides. The application of environmentally friendly chili cultivation such as using biofertilizer is needed to suppress negative impact for environment and chili quality. This study aims to determine the effect of Agrimeth biofertilizer application on chili yield and population of Nitrogen Fixing Bacteria. The study was conducted in April-August 2017, Temanggung, Central Java. The study used a factorial randomized two-group design with a combination treatment of three chili varieties and three frequency of agrimeth biofertilizer applications, and each treatment replicated three times. Plant parameters observed included plant height, number of fruit/plant/season, weight of fruit/plant/season, soil analysis, analysis of nitrogen fixing bacteria population at the end of the study. The results showed that the application of agrimeth was not significantly different  on average of plant heigh . The treatment of the application of agrimeth 1 time a season produced the highest number of chili fruit (574 pc) and weight of chili (2.09 kg) per plant per season, significantly different from the treatment of the application of agrimeth 2 and 3 times per season. The highest population of nitrogen
fixing bacteria was occurred in treatment of agrimeth applied 3 times.

Keywords: chili, biofertilizer, N fixation bacteria, environmentally friendly

 

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BALAI PENELITIAN LINGKUNGAN PERTANIAN

Indonesian Agricultural Environment Research Institute (IAERI)

 


 

A. Wihardjaka (1) and L.J. Wade (2)
(1)Research Station of Agricultural Environment Preservation

(2)International Rice Research Institute

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