EFFECT OF DIFFERENT LEVEL OF NITROGEN AND POTASSIUM ON GROWTH, SEED YIELD AND QUALITY OF FENNEL (Foeniculum vulgare Mill).
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Date
2020-09-10
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Dr. Punjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra.
Abstract
A field experiment entitled “Effect of different levels of nitrogen and potassium on seed yield and quality of fennel” was carried out during rabi 2018-2019, at Instructional Farm, Department of Vegetable Science, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola under Factorial Randomized Block Design, with 3 replications and 12 treatment combinations, consisted of 4 levels of nitrogen (60 kg ha-1, 80 kg ha-1, 100 kg ha-1 and 120 kg ha-1) and 3 levels of potassium (40 kg ha-1, 60 kg ha-1 and 80 kg ha-1).
An application of nitrogen at N4 i.e. (120 kg N ha-1) was found significantly superior in respect of growth parameters. Whereas nitrogen level N3 i.e. (100 kg N ha-1) was found significantly superior in yield per hectare (11.53 q). While, earliness in terms of flowering and seed harvesting exhibited by the treatment N1 i.e. (60 kg N ha-1). As Regards to the influence of potassium levels, K2 i.e. (60 kg K ha-1) was found significantly superior for plant height (51.29 cm, 88.78 cm and 181.93 cm at 60, 90 and 120 DAS), number of primary branches per plant (8.86,10.01 and 10.86 at 60, 90 and 120 DAS ), number of secondary branches per plant (21.30, 22.60 and 23.81 at 60, 90 and 120 DAS), seed yield per hectare (11 q) and germination percentage (88.10). Whereas early flowering (66.80 days), days required for 50% flowering (86.08) and days required for seed harvesting (167).
Available nitrogen (205.85 kg ha-1), phosphorus (18.41 kg ha-1), potassium (228.86 kg ha-1), plant nitrogen uptake (60.28 kg ha-1) and potassium uptake (20.05 kg ha-1) was recorded significantly maximum with K3-80 kg K ha-1
The interaction effect of N4 x K2 i.e. (N4-120 N kg ha-1 and K2-60 K kg ha-1) and N3 x K2 i.e. (N3-100 N kg ha-1 and K2-60 K kg ha-1) found superior for growth and yield parameters. Considering the cost economics, treatment T8 i.e.(100 N kg ha-1;60 K kg ha-1) was found to be the most remunerative and profitable as per the B:C ratio (1: 3.87) for fennel seed production followed by the B:C ratio (1:3.79) in treatment T7 i.e.(100 N kg ha-1;40 K kg ha-1).
Description
The present study was carried out at Instructional Farm, Department of Vegetable Science, Faculty of Horticulture during rabi season of 2018.The experiment was conducted in a factorial randomized block design with 12 treatment combinations, and three replications with two factors in which factor A contains nitrogen levels viz. N1 (60 kg N ha-1), N2 (80 kg N ha-1), N3 (100 kg N ha-1) and N4 (120 kg N ha-1) and factor B contains potassium levels viz. K1 (40 kg K ha-1), K2 (60 kg K ha-1) and K3 (80 kg K ha-1).
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Citation
AROLKAR, NEHA MAHENDRA. (2020-21). Effect of different level of nitrogen and potassium on growth, seed yield and quality of Fennel. (Foeniculum vulgare Mill). Department of vegetable science), Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola. Degree (M. Sc.). (2020). Print. xvi, 111p. (Unpublished).