Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Mitigation of CaCO3 Influences on Ipomoea batatas Plants Using Bacillus megaterium BSM 2894 var.

Version 1 : Received: 12 December 2021 / Approved: 14 December 2021 / Online: 14 December 2021 (12:15:41 CET)

How to cite: Awad, A.A.M.; Ahmed, A.I.; Sweed, A.A. Mitigation of CaCO3 Influences on Ipomoea batatas Plants Using Bacillus megaterium BSM 2894 var.. Preprints 2021, 2021120232 (doi: 10.20944/preprints202112.0232.v1). Awad, A.A.M.; Ahmed, A.I.; Sweed, A.A. Mitigation of CaCO3 Influences on Ipomoea batatas Plants Using Bacillus megaterium BSM 2894 var.. Preprints 2021, 2021120232 (doi: 10.20944/preprints202112.0232.v1).

Abstract

Under Egyptian soil conditions, when phosphorus fertilizers were applied to the soil, it gets fixed and converts to unavailable form, leading to low solubility for the plant. This study were fulfilled on sweet potato (cv. Beauregard) under undesirable soil properties (CaCO3 10.8 vs 11.3%) using Bacillus megaterium DSM 2894 strain under different five mono calcium phosphate (CSP) levels [(69(CSP20); 138(CSP40); 207 (CSP60); 276 (CSP80) and 345 ((CSP100) kg ha-1 of calcium superphosphate (CSP)] to arise the potential efficiency of some nutrients uptake and decease the applied total amount of CSP in 2019 and 2020 seasons. The results mentioned that highest values were obtained by inoculated plants with DSM2894 strain under 20, 60 and 100% of CSP for all studied nutrients content in both seasons, except Mn content in the 2019. Also, inoculated plants with DSM2894 under previous treatments for all tuberous root nutrients content, except Fe and Zn contents in both seasons, in addition protein and anti-radical power and total yield. Statistically, leaf nutrients uptake and tuberous root content were highly significant affected by DSM and CSP combination. Appling of phosphorus fertilizer with DSM2894 mixture was gave the best values as compared with phosphorus fertilizer or DSM2894, individually.

Keywords

Sweet potato; Phosphorus fertilizer; Bacillus megaterium DSM2894; leaf and tuberous root nutrients contents; Tuberous root yield

Subject

BIOLOGY, Agricultural Sciences & Agronomy

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