Author(s):

Amol Bagadkar, Sumedh Hiwale and Nilima Darekar

Abstract: The field experiment entitled with “Effect of graded levels of potassium on growth, yield and economics of greengram” was carried out during Kharif season of 2014 at Agronomy Farm, Department of Agronomy and Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola. The objective of experiment is to investigate the effect of various potassium levels with addition of foliar spray of KCL (potassium chloride) on growth, yield and quality of greengram. The experiment findings revealed that growth traits viz., plant height (cm), number of branches plant^-1, dry matter plant^-1 (gm) and chlorophyll content index were found significantly superior in the treatment with application of RDF + 40 kg K₂O ha^-1 than rest of graded potassium level treatments. However, The yield and quality contributing attributes i.e. pod length (cm), Number of pods plant^-1, Number of seeds pod^-1, Weight of seeds plant^-1, 1000 seed wt (g) seed yield kg ha^-1, Straw yield kg ha^-1, Biological yield kg ha^-1 and Protein content (%) were registered significantly superior in the treatment with application of RDF + 40 kg K₂O ha^-1 than other graded potassium level treatments. On the basis of economics of experiment highest GMR (44489 Rs.ha^-1), NMR (26358 Rs.ha^-1) and B:C ratio(2.45) were noticed significantly highest in the treatment with application of RDF + 40 kg K₂O ha^-1 over the remaining graded potassium level treatments.

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