Trends in Biosciences

A field experiment was conducted at the Agronomy Farm, Department of Agronomy, B. A. College of Agriculture, Anand Agricultural University, Anand during the years 2011–12 in rabi season on loamy sand soil. An experiment conducted to study the effect of combined application of organic and inorganic fertilizers on growth and bulb yield of onion (Allium cepa L.). A result revealed that significantly higher growth attributes i.e. plant height, length of leaves, number of leaves plant⁻¹ and leaf dry weight and yield attributes like bulbweight, bulb volume and bulb yield were higher under treatment T₇ (75% RDF + Vermicompost @ 1.25 t ha⁻¹), while bolting (%) was higher under treatment T₁ (Absolute control) treatment. Postharvest nutrient status of soil was significantly influenced by various organic and inorganic manures treatments, Significantly higher post harvest soil phosphorus and potash nutrient content was higher under treatment T₈ (50% RDF + Vermicompost @ 2.5 t ha⁻¹), whiletreatment T₂ (RDF @ 100-75-75 NPK kg ha⁻¹(control) recorded significantly higher post harvest nitrogen status. Minimum rooting losses was recorded in treatment T₁ (absolute control) treatment at 60, 120 and 180 DATP.