Author(s):

Aradhana Sen, P Choudhuri, R Chatterjee and JC Jana

Abstract: The cumin black (var. Rajendra Shyama) was cultivated on field under treatments including three nutrient sources i.e., inorganic fertilizer, farmyard manure and bio-fertilizer Azophos. Inorganic fertilizers were applied in three levels viz., no fertilizer (C₀), 75% of recommended dose (C₁) and 100% of recommended dose (C₂); farm yard manure (FYM) and Azophos was applied in two levels viz., with (F₁) and without (F₀) FYM; with (B₁) and without (B₀) bio-fertilizer. The results showed that C₂ recorded maximum plant height (52.37 cm), leaf chlorophyll (12.37 SPAD), seed per capsule (89.62) and yield per plant (2.06 g). F₁ showed positive influence resulting higher values for plant height (49.38 cm), yield per plant (1.95 g) and seed oil content (32.07 mg/g). B₁ showed higher leaf chlorophyll (12.56 SPAD), seed per capsule (88.72), yield per plant (1.67g), and oil content (32.27 mg/g) over control treatments. The highest seed oil content was recorded when F₁ was used in combination with C₂, which was 15.22% higher over C₂ alone.

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