Effect of Plant Growth Promoting Rhizobacteria and organic matter on the readiness of soil nutrient, growth and yield of potato plant Solanum tuberosum L
ANBAR JOURNAL OF AGRICULTURAL SCIENCES,
2017, Volume 15, Issue 2, Pages 400-407
AbstractThe plant growth promoting rhizobacteria were isolated from the soil of several agriculture fields planted with various crops (Azotobacter chroococcun, Bacillus subtilis, Pseudomonas fluorescens) for the purpose of use with organic matter and knowledge of its impact on the readiness of soil nutrients and growth, yield of potato plant, Three sources of organic matter were used (sheep residues, horse residues, poultry residues). A global experiment was carried out within design of Completely Randomized Block Design RCBD in Radhwaniya south of Baghdad governorate
and the results showed the treatment of the mixing of three bacteria species with organic matter in all studied traits was superior as the element concentration Nitrogen, Phosphorus and potash was recorded 63.40 , 18.43 and 163.50 mg.kg-1 soil sequentially and plant height , number of stems , yield was 75.75cm ,3.47stem plant 1 and 30.36 ton hec-1 sequentially .The mixing of three bacterial recorded the highest results in the element concentration was 53.55, 16.25 ,149.00 mg.kg-1 soil and 62.55cm ,2.86 stem plant1 and 23.32 ton hec-1 sequentially. The results showed that concentration of elements increased with the addition of organic matter and reached 61.50, 15.25, 129.33 mg.kg-1 soil and a significant difference from the comparison treatment which recorded the lowest results.
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