EFFECT OF ORGANIC SOURCES OF NUTRIENTS ON GROWTH, YIELD, NUTRIENT UPTAKE AND ECONOMICS OF ONION (ALLIUM CEPA L.)Ramandeep Kaur Brar, Jashanjot Kaur and Gurbax SinghAbstract The study was conducted at the StudentsÂ’ Research Farm, Khalsa College, Amritsar during Rabi -2012. The experiment was laid out in a RCBD with 4 replications and 12 treatments of different combinations of organic manures and fertilizers. It was revealed that the application of RDF (i.e. 100kg N, 50kg P2O5 and 50kg K2O along with 25 tonnes FYM)/ha produced significantly higher number of leaves per plant, plant height, dry weight of plant, bulb yield and also recorded higher N, P, K uptake which remained at par with application of vermicompost (100% of N by VC). Maximum net return and benefit: cost ratio was also recorded in RDF.
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