Various Fertilization Managements Influence the Flowering Attributes, Yield Response, Biochemical Activity and SoilNutrient Status of Chrysanthemum ( Chrysanthemum morifolium Ramat.)

Ashok Choudhary, Ajit Kumar, Uttam Kumar, Rajesh Choudhary, Rakesh Kumar, Rajkumar Jat, Patel Nidhibahen, Ashraf Atef Hatamleh, Munirah Abdullah Al-Dosary, Yasmeen Abdualrhman Al-Wasel, Rajinikanth Rajagopal and Balasubramani Ravindran
Additional contact information
Ashok Choudhary: Department of Horticulture, College of Agriculture, GBPUA&T, Pantnagar 263145, India
Ajit Kumar: Department of Horticulture, College of Agriculture, GBPUA&T, Pantnagar 263145, India
Uttam Kumar: College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China
Rajesh Choudhary: Department of Horticulture, SKNAU, Jobner 303329, India
Rakesh Kumar: Department of Agronomy, College of Agriculture, GBPUA&T, Pantnagar 263145, India
Rajkumar Jat: Department of Horticulture, College of Agriculture, GBPUA&T, Pantnagar 263145, India
Patel Nidhibahen: College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China
Ashraf Atef Hatamleh: Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Munirah Abdullah Al-Dosary: Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Yasmeen Abdualrhman Al-Wasel: Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Rajinikanth Rajagopal: Sherbrooke Research and Development Center, Agriculture and Agri-Food Canada, 2000 College Street, Sherbrooke, QC J1M 0C8, Canada
Balasubramani Ravindran: Department of Environmental Energy and Engineering, Kyonggi University, Youngtong-Gu, Suwon 16227, Korea

Sustainability, 2022, vol. 14, issue 8, 1-22

Abstract: Optimal nutrient management is critical for optimizing flowering, yield, quality and improving soil health. A key approach for making chrysanthemum crop cultivation profitable is balanced fertigation at the right time. This is possible by fertigation through drip. The present study was designed in 2019–2021 at a model floriculture center, Pantnagar, to investigate the response of split application of NPK through drip fertigation on flowering attributes, yield, biochemical activity and soil nutrient status of chrysanthemum. Plants received application of NPK with five treatment combinations: T1-NPK @ 100:150:100 kg/ha/year, T2-NPK @ 100:150:100 kg/ha/year, T3-NPK @ 100:150:100 kg/ha/year, T4-NPK @ 75:112.5:75 kg/ha/year and T5-NPK @ 75:112.5:75 kg/ha/year at vegetative, bud and flowering stages. The results reveal that the plants treated with treatment T3 (NPK @ 100:150:100 kg/ha/year) exhibited maximum increases in floral bud diameter (31.45%), number of inflorescences per branch (24.44%), diameter of inflorescence (15.32–28.44%), weight of inflorescence (24.30%), stem diameter, inflorescence stem length, number of inflorescences per plant (6.16%), number of inflorescences per hectare (53.46%), chlorophyll a content, chlorophyll b content, total chlorophyll content (40.20%), carotene content of inflorescence (69.56%), organic carbon (1.22-fold), available nitrogen content (7.46%), available phosphorus and available potassium (1.14-fold) compared to the control. Conclusively, the results suggest that split application of NPK through drip fertigation may improve the inflorescence attributes, yield, biochemical activity and soil nutrient status of chrysanthemum.

Keywords: water-soluble fertilizer; chrysanthemum; flowering attributes; flower yield; chemical activity and soil nutrient status (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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