Author(s):

Sunil Nath, BT Patel, Omprakash Meena and Girraj Prasad Jat

Abstract: A field experiment was conducted during rabi season 2014-15 to study the effect of phosphorus and sulphur on yield attributes, yield and economics of mustard [Brassica juncea (L.) Czern & Coss] at the Agronomy Instructional Farm, Chimanbhai Patel College of Agriculture, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar. Mustard variety GM 3 was used as a test crop. The results of the present investigation revealed that application of 75 kg P₂O₅/ha (P₃) gave significantly the highest plant height at harvest, number of branches/plant, number of siliquae/plant and number of seeds/siliqua, seed and stover yields of mustard over its lower levels of phosphorus (25 kg and 50 kg P₂O₅/ha). Significantly higher length of siliqua was recorded under 75 kg P₂O₅/ha (P₃) being at par with 50 kg P₂O₅/ha as compared to P₁ level of phosphorus. Application of 30 kg S/ha (S₃) being at par with 20 kg S/ha (S₂) significantly improved the number of branches/plant, number of siliquae/plant, length of siliqua, number of seeds/siliqua. Significantly the highest plant height at harvest, seed and stover yields were recorded with application of 30 kg S/ha over its lower levels of sulphur. The treatment combination of P₃S₃ (75 kg P₂O₅ and 30 kg S/ha) gave maximum net return and BCR value as compared to other treatment combinations.

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