STUDIES ON NIPPING AND ROW SPACING ON GROWTH AND YIELD OF PIGEONPEA (Cajanus cajan (L.) Millsp.)
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Date
2017-09-12
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UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, BENGALURU
Abstract
A field experiment entitled “Studies on nipping and row spacing on growth and
yield of Pigeonpea (Cajanus cajan (L.) Millsp.)” was conducted during kharif, 2016 at
ZARS, UAS, GKVK, Bengaluru under rainfed situation. The total amount of rainfall
received during the crop season was 645 mm with 28 rainy days. The experiment was
conducted on red sandy clay loam soil. The soil was medium in available nitrogen,
phosphorus and potassium. The experiment consists of 12 treatments with three nipping
levels (no-nipping, nipping at 50 and 70 DAS) and four spacing levels (90 cm x 30 cm,
120 cm x 30 cm, 150 cm x 30 and 180 cm x 30 cm ). Treatments were replicated thrice
in a Randomized Complete Block Design (RCBD) with two factors.
Significantly higher yield components like number of pods per plant and pod
weight per plant (105 and 54.70 g plant-1 respectively) were recorded in nipping at 50
DAS. Similarly higher pigeonpea grain yield (1438 kg ha-1), gross return (Rs.57, 561
ha-1), net return (Rs.37, 156 ha-1) and benefit cost ratio (2.88) was recorded with nipping
at 50 DAS and it was on par with nipping at 70 DAS . Significantly higher yield
components like number of pods per plant and pod weight per plant (106 and 59.28 g
plant-1 respectively) were recorded with 90 x 30 cm spacing. Further higher grain yield
(1480 kg ha-1), gross return (Rs.59, 204), net return (Rs.39, 171) and benefit cost ratio
(3.04) was recorded with spacing of 90 x 30 cm and it was on par with 120 x 30 cm
spacing. The interaction between nipping and row spacing found insignificant.
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