Abstract
An experiment was carried out to study the effect of organic sources of nutrients on yield, quality, soil fertility status and economics of onion (Allium cepa L.) at Horticulture Research Farm, College of Horticulture, AAU, Anand during the three consecutive years 2016-17, 2017-18 and 2018-19.The experiment was laid out in Randomized Block Design with three replications and ten treatments viz., T1:RDF 100:75:75 NPK kg ha-1 (control), T2:100 % N from FYM, T3:100 % N from Vermicompost, T4: 100 % N from Castor cake, T5:75 % N from FYM + NPK consortium 1 L ha-1, T6: 75% N from VC + NPK consortium 1 L ha-1, T7: 75% N from CC + NPK consortium 1 L ha-1, T8: 50% N from FYM + NPK consortium 1 L ha-1, T9:50% N from VC + NPK consortium 1 L ha-1, T10: 50% N from CC + NPK consortium 1 L ha-1. Soil application of 75% N from VC + NPK consortium 1 L ha-1 (T6) and 75 % N from FYM + NPK consortium 1 L ha-1 (T5) recorded significantly, higher bulb yield (467 and 417 q/ha) and also increase organic carbon as well as soil microbial population. Higher net return (₹445672 ) was observed in T6 whereas maximum BCR (5.96) recorded in T5.
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