Abstract
To evaluate the response of zinc and iron fortified organic manure along with NPK levels on nutrient content, uptake and productivity of brinjal in coastal saline soil, a field experiment was conducted in farmer’s field at Ponnanthittu coastal village, near Chidambaram, Cuddalore District, Tamilnadu with brinjal var. Annamalai during August – December 2022. The experiment was laid out in a factorial randomized block design (FRBD) with four levels of NPK (0, 100, 125, 150%) and three levels of micronutrients (Zn and Fe) fortified organics like 100% Zn Fortified Composted Coir pith (ZnFCCP), 100% Fe Fortified Composted Coir pith (FeFCCP) and 100% Zn + Fe Fortified Composted Coir pith (Zn+FeFCCP) @ 6.25 t ha-1 , respectively). The result showed that individual and combined application of 150 % of NPK along with 100% Zn + Fe Fortified Composted Coir pith (Zn+FeFCCP) @ 6.25 t ha-1 excelled over other treatments and recorded higher values on growth (plant height, number of branches plant-1, Dry matter production), yield (fruit and stover), nutrient content and uptake (nitrogen, phosphorus, potassium, iron and zinc) of brinjal in coastal saline soil.
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