Effect of Integrated Nutrient Management (INM) on Growth Parameters and Yield of Wheat (Triticum aestivum L.)

Abstract

An experiment was conducted during spring season of 2021-22 at Agronomy Research Farm, Dolphin PG college of Science and Agriculture Chunni Kalan, Fatehgarh Sahib Punjab, India. The experiment consists of fourteen treatments were laid out in Randomized Block Design (RBD) with three replication. The obtained results revealed that the growth parameters were significantly influenced by different integrated nutrient management at successive growth stages of wheat crop except 30 days. The growth rate of the experimented plants were increased progressively with increase in duration of wheat crop. Growth rate was maximized up to 90 days and followed by a slightly increase in growth was obtained up to harvest. Among the treatment evaluated, 100% RDF +25% N through (vermicompost) + ZnSO4 @ 25 kg ha-1 proved to found better with respect to plant height ( 92.25 cm), dry matter accumulation (274.65 g m-2) and number tillers m-2 (92.43 m-2) at harvest stage in respective years. Leaf area index was measured tended to maximum at 60 days. The minimum growth parameters were observed under control. Maximum grain yield (55.32 q ha-1), straw yield (81.14 q ha-1), biological yield (136.46 q ha-1) and harvest index (40.53 %) was associated with the plot fertilized with 100% RDF +25% N through (vermicompost)+ ZnSO4 @ 25 kg ha-1