Author(s):

Chethan KV, Arun A David, Terence Thomas, Narendra Swaroop, Smriti Rao and Amreen Hassan

Abstract: A study was conducted on the “Effect of N P K and Zn on Physico-chemical Properties of Soil, Growth Parameters and Yield by Pea (Pisum sativum L.) Cv. Rachna”, at the Soil Science Research Farm, Sam Higginbottom University of Agriculture & Technology Sciences. Allahabad during Rabi season 2017-2018. The number of pods plant^-1 (19.53), number of seeds pod^-1 (6.20) and pod yield (77.67qha^-1) were significantly increased with the application of 50% recommended dose of N P K fertilizers and 100% Zinc fertilizer. The maximum yield was obtained in T₅ – [N@ 20kg + P@ 40kg + K@ 20kg and Zn@ 20kg ha^-1]. Growth parameters, soil properties, increased significantly with the application of 100% recommended dose of fertilizers i.e. T₈ – [N@ 40kg + P@ 80kg + K@ 40kg and Zn@ 20kg ha^-1], pH, EC (dSm^-1) and bulk density (gcm^-3) were they decreased with increase in fertilizer levels. The lowest values related to all parameters were obtained in control treatment. Cost benefit ratio (C:B) 1: 2.29 was highest in T₅ - (i.e. N@ 20kg + P@ 40kg + K@ 20kg and Zn@ 20kg ha^-1) 50% recommended dose of NPK and 100% Zinc was more profitable Rs. 59234.00 than any other treatments and recommendations.

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