Yield attributes of Cassava (Manihot esculenta Crantz) and soil properties in Southern Laterites, Kerala as influenced by consortium biofertilizers

A field experiment was undertaken at College of Agriculture, Vellayani during June to December 2019, to assess the efficacy of liquid consortium biofertilizer, Plant Growth Promoting Rhizobacteria (PGPR) Mix - I in cassava and to examine the changes in soil chemical and biological properties with th...

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Bibliographic Details
Published in:Environment conservation journal 2023-12, Vol.24 (4), p.45-51
Main Authors: S, Arunima Babu, Isaac, Sheeba Rebecca
Format: Article
Language:English
Subjects:
Biofertilizer
Biofertilizers
Biological properties
Cassava
Consortia
Factorial experiments
Fertilizers
Laterites
Manihot esculenta
microbial count
Microorganisms
Nutrients
Organic soils
PGPR
Plant growth
Soil chemistry
Soil improvement
Soil properties
Soils
yield attributes
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Summary:A field experiment was undertaken at College of Agriculture, Vellayani during June to December 2019, to assess the efficacy of liquid consortium biofertilizer, Plant Growth Promoting Rhizobacteria (PGPR) Mix - I in cassava and to examine the changes in soil chemical and biological properties with the application. The treatment combinations included four levels of biofertilizer [PGPR Mix - I liquid (L) @ 2 %, PGPR Mix - I liquid (L) @ 5 %, PGPR Mix - I powder (P) formulation @ 10g of 2 % mixture per plant, without biofertilizer] and three levels of nutrients, with 50: 50: 100 kg NPK/ha as the standard dose of nutrients (SDN), [50 % SDN, 75 % SDN, 100 % SDN]. The 4 × 3 factorial experiment was laid out in randomized block design with three replications. The results of the study revealed that the liquid biofertilizer consortium at 5 per cent + 75 percent SDN (37.5: 37.5: 75 kg NPK /ha) recorded significantly superior yield attributes in cassava and improved the soil organic C, available K status and microbial count.  
ISSN:0972-3099
2278-5124
DOI:10.36953/ECJ.15922504