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Plant Science Today (PST)

Research Articles

Vol. 12 No. 4 (2025)

Response of seasoned pressmud, growth regulators, bio stimulants on yield, uptake and post harvest nutrient status in neutral and coastal saline soil

DOI
https://doi.org/10.14719/pst.9941
Submitted
9 June 2025
Published
12-11-2025 — Updated on 27-11-2025
Versions

Abstract

Brinjal is also known as egg plant or Aubergine belongs to family Solanaceae. In India, Tamil Nadu is blessed with diverse agro-climatic condition varied soil types inclusive of neutral and coastal saline soil, which enable brinjal cultivation.  Field experiments were conducted at Vallampadugai (Typic Ustifluvents) Therkupichavaram (Typic Udipsamments) from Chidambaram taluk, Tamil Nadu, India in the brinjal crop (var. Annamalai). The design adopted RBD design with 3 replications.  The treatments imposed in T1 - control NPK (100 % RDF), T2 -   75 % RDF + seasoned pressmud @ 12.5 t ha-1 + soil application of ZnSO4 @ 25 kg ha-1 + borax @ 10 kg ha-1, T3 - T2 humic acid @ 3 %, T4 - T2 + foliar spray of seaweed extract @ 3 %, T5 - T2 + panchagavya @ 3 %, T6 - T2 + gibberellic acid @ 50 ppm and T7 - T2 + foliar spray NAA               @ 50 ppm. All the foliar application were done on 30 and 60 DAT. The treatment (T4) 75 % RDF + seasoned pressmud @ 12.5 t ha-1 + ZnSO4 @ 25 kg ha-1 + borax @ 10 kg ha-1 + foliar spray seaweed extract @ 3 % on 30 and 60 DAT registered the highest fruit yield (28.06 t ha-1 in neutral soil, 24.3 t ha-1 in coastal saline soil), fruit N uptake (90.13 kg ha-1 in neutral soil, 71.91 kg ha-1 in coastal saline soil), P uptake (14.79 kg ha-1 in neutral soil, 17.477 kg ha-1 in coastal saline soil, K uptake (87.3 kg ha-1 in neutral soil, 69.99 kg ha-1 in coastal saline soil), Zn uptake (6.02 g ha-1 in neutral soil, 4.806 g ha-1 in coastal saline soil), B uptake (12.75 g ha-1 in neutral soil, 11.945 g ha-1 in coastal saline soil) and maximum post harvest NPK, Zn and B content in soil were noticed.

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