Nutrient uptake and yield in response to STCR targeted yield approach under rainfed cotton cultivation in vertisols of Central India Kumar G. Ranjith*, Konde N.M.1, Tamgadge D.B.1, Rakesh S.2, Jadhao S.D.1, Paslawar A.N.1 1Department of Soil Science and Agricultural Chemistry, Post Graduate Institute, Dr. PDKV, Akola-444104, Maharastra, India 2Department of Soil Science and Agricultural Chemistry, Uttar Banga Krishi Vishwavidyalaya, Pundibari-736165, West Bengal, India *Corresponding author: ranjithsiddu28@gmail.com
Abstract Food security, soil health and environmental qualities are the utmost prioritized challenges for present and upcoming generations. Especially, in India situation even worse due to day by day shrinking land holdings and increasing input costs. The soil test crop response (STCR) is one of the finest scientific method to assess the nutrient supplying power of soils, required amounts of nutrients and crop responses to the added nutrients. Thus, the objective of the present investigation was to assess the effect of STCR equation on nutrient uptake and yield in cotton under rainfed cultivation. Study was conducted at Integrated Framing Systems Research Field, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, during kharif season 2016-17. Experiment was laid out in randomized block design (RBD) with eight treatments replicated thrice. Results of the present study showed that application of chemical fertilizers in combination with FYM recorded significantly highest grain and stalk yield (15.93 and 25.97 q ha-1, respectively) where 15 q ha-1 targeted yield (treatment- T8) was detained followed by the treatment (T6) where the same combination of chemical fertilizers along with FYM was followed for 12 q ha-1 target (12.60 and 23.30 q ha-1). The T8 treatment recorded significantly highest uptake of nitrogen (69.50 kg ha-1), phosphorus (16.18 kg ha-1), potassium (33.00 kg ha-1), followed by where 12 q ha-1 targeted (T6) was set. The experiment can be concluded that, application of chemical fertilizers along with FYM (under STCR approach) significantly improves the nutrient uptake and yield of crop in Vertisols of rainfed cotton. Top Keywords Cotton, FYM, Nutrient uptake, STCR, Yield. Top |