Assessing the Yield Response of Lentil (Lens culinaris Medikus) as Influenced by Different Sowing Dates and Land Situations in Indian Sundarbans

DOI: 10.18805/LR-4237    | Article Id: LR-4237 | Page : 1203-1210
Citation :- Assessing the Yield Response of Lentil (Lens culinaris Medikus) as Influenced by Different Sowing Dates and Land Situations in Indian Sundarbans.Legume Research.2021.(44):1203-1210
Sukamal Sarkar, Argha Ghosh, Koushik Brahmachari, Krishnendu Ray, Manoj Kumar Nanda ghoshargha4@gmail.com
Address : Department of Agricultural Meteorology and Physics, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur-741 252, Nadia, West Bengal, India.
Submitted Date : 18-09-2019
Accepted Date : 27-12-2019


In order to assess the effect of agroclimatic factors on the development and production of lentil (cv. WBL 77) grown under different sowing dates and land situations, an experiment was conducted during the winter seasons of 2016-17 and 2017-18 in the coastal saline zones of West Bengal. Lentil was sown on six different dates starting from 23rd November to 25th December in both the seasons in two different land situations viz. medium upland and medium lowland. It was observed that both early sown lentil resulted in higher grain (Year 1 = 733.41 kg ha-1, Year 2 = 881 kg ha-1,) and stover yield (Year 1 = 2035.6 kg ha-1, Year 2 = 2422 kg ha-1) and took more time to mature when cultivated in the medium lowland situation irrespective of sowing dates. Crop developmental rate was positively associated with the air temperature and accumulated agrometeorological indices. Air temperature and total solar radiation during 100% emergence to 100% flowering stage were negatively associated with the grain yield, while rainfall and relative humidity were positively correlated with the grain yield of lentil. Grain and stover yield could be predicted with 91.0% and 85.0% predictability, respectively. Grain yield could be predicted with 88% predictability at the end of 100% flowering phase. 


Crop developmental rate Coastal saline Date of sowing Lentil Yield forecasting


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