Effect of Graded Level of N and P on Growth and Yield of Calendula
Ommala D. Kuchanwar*
Dept. of Soil Science & Agricultural Chemistry, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Nagpur, Maharashtra (440 001), India
Ruchika S. Nagmote
Dept. of Soil Science & Agricultural Chemistry, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Nagpur, Maharashtra (440 001), India
Neha K. Chopde
Dept. of Horticulture, College of Agriculture, Sonapur, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Gadchiroli, Maharashtra (442 605), India
Shanti Patil
Dept. of Botany, College of Agriculture, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Nagpur, Maharashtra (440 001), India
Padmaja H. Kausadikar
Dept. of Soil Science & Agricultural Chemistry, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Nagpur, Maharashtra (440 001), India
P.A. Panghate
Dept. of Soil Science & Agricultural Chemistry, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Nagpur, Maharashtra (440 001), India
DOI: https://doi.org/10.54083/ResBio/2.3.2020.109-112
Keywords: Calendula, Growth, Nitrogen, Phosphorus, Yield
Abstract
An experiment to study the effect of graded level of N and P on growth and yield of calendula was carried out at Horticulture Section, College of Agriculture, Nagpur, during October 2018 to march 2019 with sixteen treatment combinations in factorial randomized block design. The treatments comprised of four levels of nitrogen 50, 75, 100, 125 kg ha-1 and phosphorus 0, 25, 50 and 75 kg ha-1 applied as per the treatments. The results of present investigation revealed that, application of 100 kg ha-1 nitrogen and 50 kg ha-1 phosphorus produced significantly maximum stem diameter and plant spread with respect to growth parameter, minimum days for first flower bud initiation, days for opening of first flower from bud initiation, days for 50% flowering with respect to flowering parameters and number of flowers plant-1, flower yield q ha-1 and dry matter plant yield q ha-1 with respect to yield parameters which were at par with the results obtained with the application of 125 kg ha-1 nitrogen and 50 kg ha-1 phosphorus. The interaction effects revealed that, they were significant in respect number of flowers plant-1 and flower yield q ha-1. For these parameters, the best treatment combination was 100 kg N kg ha-1 + 50 P kg ha-1. It was followed by 125 N kg ha-1 + 50 P kg ha-1.
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Reference
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