Author(s):

Priyanka Gangele, Dr. Rashmi Bajpai, Dr. Arjun Kashyap, Shriya Rai and Shiv Kumar Ahirwar

Abstract: The present investigation entitled “Effect of biofertilizers and levels of zinc and potassium on growth of potato (Solanum tuberosum L.)” The present experiment was laid out in the experimental field of department of Horticulture, College of Agriculture, Rajmata Vijayaraje Scindia Krishi Vishwa Vidyalaya, Gwalior (M.P.) during first year (2018 – 19), second year (2019 – 20) and pooled with 18 treatments of three levels of potassium i.e. 20, 40 and 60 kg/ha, three levels of zinc i.e. 1.5, 3.0 and 4.5 kg/ha and two bio fertilizers, Azotobacter and PSB have been presented in the preceding chapter. The experiment was laid out in Randomized Block Design with eighteen treatments including control and replicated three times each. The observations were recorded on different aspects of days to sprouting, number of branches per plant, plant height (cm), number of leaves per plant, length of leaves (cm), width of leaves (cm) and diameter of stem (cm). The result of experiment revealed that the potassium (60kg/hac) significantly improved growth parameters among all the potassium levels and zinc (4.5kg/hac) was significantly always affected the all growth parameters, whereas biofertilizers PSB enhanced all the growth parameters at different growth stages.

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