Vol. 7 No. 1
Studies on effect of potassium fertilizer and some plant protection techniques on pest incidence of cauliflower.
Author(s): S. BISWAS, B. MAHATO AND P. S. PATRA
Abstract: Field trials are carried out for two consecutive years, 2008 and 2009 during rabi season in the adopted farmers filed in Cooch Behar district of West Bengal, India with the objective of effect of potassium fertilization and some plant protection measures on pest incidence and yield, of Cauliflower, Brassica oleracea var. botrytis L. In this present study, the increment of potassium doses reduced the infestation of insect pest. Among the different doses of potassium, 50 kg K2O/ha exhibited the lowest infestation and highest yields of cauliflower. Sprinkler irrigation during evening hours reduced the adult population of lepidopteron insect which had reflected on larval population It is appeared from the investigation that 50 kg K2O and either trap crop or sprinkler irrigation may fruitful against insect pest of cauliflower and should give best return.
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