Author(s):

Megha B Nirgulkar, VP Babhulkar, N Sanjuna Reddy and MR Pandao

Abstract: This research was conducted to investigate the Effect of nitrogen and phosphorus on seed yield and fertility status of soil after harvest of African marigold, during ‘Kharif’ season 2019-2020 at Horticulture Section, College of Agriculture, Nagpur. The treatments comprised of four levels of each nitrogen 0, 80, 100, 120 kg ha^-1 and phosphorus 0, 40, 50 and 60 kg ha^-1. The fertilizers applied as per the treatments to evaluate the yield and soil fertility status after harvest of African marigold. The Experiment was laid out in factorial randomized block design with three replications. The maximum number of flowers plant^-1 (56.60 nos.), number of flowers ha^-1 (20.15 lakh) and seed yield ha^-1 (678.79 kg) in respect to yield parameters were recorded significantly higher in (N₃P₃) where, 100 kg N ha^-1 applied with 50 kg P ha^-1. Whereas, pH of soil (7.52), EC of soil (0.486 dS m^-1), organic carbon (4.44 g kg^-1), available N in soil (354.38 kg ha^-1), available P in soil (23.87 kg ha^-1) and available K in soil (363.44 kg ha^-1) in respect to soil reaction and soil fertility status were also recorded higher in treatment (N₃P₃) i.e. application of 100 kg N ha^-1 with 50 kg P ha^-1.

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