Bacterial-Coated Urea To Reduce The Use Of Urea Fertilizer In Potato Cultivation

Reginawanti Hindersah; Pujawati Suryatmana; Betty Natalie Fitriatin; Priyanka  Asmiran; Anne Nurbaity; Mieke Richimi Setiawati

doi:10.25181/jppt.v24i1.2750

Authors

Reginawanti Hindersah Universitas Padjadjaran
Pujawati Suryatmana
Betty Natalie Fitriatin
Priyanka Asmiran
Anne Nurbaity
Mieke Richimi Setiawati

DOI:

https://doi.org/10.25181/jppt.v24i1.2750

Abstract

Urea fertilizers and biofertilizers play an important role in potato (Solanum tuberosum L.) cultivation, but urea fertilizers are volatile and leach out easily that reduce their effectiveness. Urea coated with beneficial bacteria-enriched organic matter is expected to increase nitrogen used efficiency. The purpose of the experiment was to determine the ability of bacterial-coated urea (BCU) included Bacillus and Azotobacter to improve the growth, nutrient status and yields of potatoes grown in field; as well as to reduce urea dose. The experiment was setup in randomized block design with five treatments and six replications. The treatments were four combinations of the dose and formulation of BCU; and conventional urea fertilizer as control treatment. Application of both BCU formulation increased plant height as well as N and P uptake particularly when the recommended dose was used. In contrast, the doses and formulation of BCU did not affect chlorophyll content. Application of BCU-A or BCU-B at the rate of 200 kg/ha increased tuber weight by 59% and 81% respectively. Both high and low dose of BCU did not reduce the vegetative growth and yield compared to the plants fertilized with conventional urea. This experiment showed that BCU is considered to reduce the rate of Urea in potatoes cultivation.

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Author Biography

Reginawanti Hindersah, Universitas Padjadjaran

Departemen Ilmu Tanah, Dosen lektor kepala

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