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Crop Research

Effect of various organic inputs on the yield attributes and yield of transplanted rice (Oryza sativa L.)


DOI: 10.31830/2454-1761.2023.CR-11163    | Article Id: CR-11163 | Page : 124-128
Citation :- Effect of various organic inputs on the yield attributes and yield of transplanted rice(Oryza sativaL.). Crop Res. 58: 124-128
P. SUJITHKUMAR, G. B. SUDHAGAR RAO, R. REX IMMANUEL AND S. VIDHYA sujithprssk@gmail.com
Address : Department of Agronomy, Faculty of Agriculture, Annamalai University, Annamalai Nagar-608 002 (Tamil Nadu), India
Online Published:

Abstract

Now-a-days people are slowly getting aware of organic inputs and seeking for effective ones for maximum yield but at low cost.  In this regard, a two year-on-farm research was carried out at Salem district, Tamil Nadu, India during Kuruvai season (June to October of 2020 and 2021) to study the effect of various organic inputs on the yield attributes and transplanted rice. The experiments were laid out in randomized block design (RBD) replicated thrice with nine treatments with various combinations of fertilizer and organic inputs. The treatments were: T1–Control (100% RDF), T2–75% of N through RDF + 25% of N through EFYM, T3–75% of N through RDF + 25% of N through E-pressmud, T4–75% of N through RDF + 25% of N through vermicompost, T5–75% of N through RDF + 25% of N through GM crop, T6–75% of N through RDF + 25% of N through EFYM + humic & fulvic Acid, T7–75% of N through RDF + 25% of N through E-pressmud + humic & fulvic acid, T8–75% of N through RDF + 25% of N through vermicompost + humic & fulvic acid, T9–75% of N through RDF + 25% of N through GM crop + humic & fulvic acid. The results revealed that application of 75% of N through RDF + 25% of N through vermicompost + humic & fulvic acid proved its superiority at the time of harvest by registering higher rice yield attributes such as number of productive tillers (362/m2), number of filled grains/panicle (105) and yield viz., grain yield (5890 kg/ha), straw yield (8750 kg/ha) and harvest index (40.23). This was at par with the application of 75% N through RDF + 25% of N through green manure crop (sunnhemp) + humic & fulvic acid. These combinations were highly impressive and appeared to be more promising as efficient integrated nutrient management system.

Keywords

Enriched farm yard manure enriched pressmud fulvic acid green manure humic acid

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