IMPACT OF A LOCAL ORGANIC FERTILIZER ON POTATO GROWTH AND PRODUCTION AND SOIL PROPERTIES

Naceur DJEBALI; Bilel  Khiari; Ameni Saidani; Rafii Zarrouk; Saida Rahma Jaziri

doi:10.56093/potatoj.v51i2.149411

Authors

Naceur DJEBALI CBBC
Bilel Khiari
Ameni Saidani
Rafii Zarrouk
Saida Rahma Jaziri

https://doi.org/10.56093/potatoj.v51i2.149411

Keywords:

Organic fertilizers, compost extract, potato crop, tuber size, soil organic matter

Abstract

A local liquid organic fertilizer named SolOrga Ghbar containing beneficial microorganisms and essential
elements for plant nutrition was used to evaluate its effect on potato growth and production in field conditions, as well
as on soil properties. Different doses of organic fertilizer i.e 0, 50, 100, and 200 L/ ha were used at 100% plant emergence
and tuber formation stages, along with a commercial imported organic fertilizer as a control. A statistically significant
improvement in plant growth kinetics and yield was observed following application of SolOrga Ghbar organic fertilizer at
all studied doses. By applying SolOrga Ghbar organic fertilizer, potato production was almost double when compared to
non-biofertilized plants and 30 % increase in production when compared to commercial organic fertilizer. SolOrga Ghbar
application resulted in a significant increase in potato tuber size, suggesting an enhanced efficiency of soil mineral utilization.
In addition, the application of SolOrga Ghbar at all concentrations reduced the soil pH and increases the percentage of
organic matter in the soil. Application of the local organic fertilizer resulted in increased potato yield and improved soil
properties, potentially enhancing nutrient availability and soil structure for subsequent horticultural crops.

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