Record Details

Integrated Nutrient Management Effects on Soil Enzyme Activities, Yield and Proximate Composition of Elephant Foot Yam - Black Gram in Alfisols

Indian Agricultural Research Journals

View Archive Info
 
 
Field Value
 
Title Integrated Nutrient Management Effects on Soil Enzyme Activities, Yield and Proximate Composition of Elephant Foot Yam - Black Gram in Alfisols
 
Creator LAXMINARAYANA, K
 
Subject Alfisol
Black gram
Elephant foot yam
Enzyme activities
Inorganic fertilizers
Organic manure
Soil properties
 
Description Field experiments were conducted for two consecutive years during 2018-2020 to study the effect of integrated use of inorganic fertilizers and organic manure on soil health and yield performance of elephant foot yam (Amorphophallus paenifolius L) - black gram (Vigna mungo L) cropping system in an acid Alfisol. Highest mean corm yield of elephant foot yam (26.50 t ha-1), grain and haulm yields of black gram (0.63 and 1.94 t ha-1, respectively) were recorded due to integrated application of farmyard manure (FYM) @ 10 t ha-1 + ½ NPK followed by soil test based doses of 80-30-80 kg ha-1 of N, P2O5 and K2O. Addition of 40, 80 and 120 kg ha-1 of nitrogen (N) showed a corm yield response of 21, 39 and 33% over control, whereas application of 40, 80 and 120 kg ha-1 of potash (K2O) fertilizers showed a yield response of 24, 39 and 46% in elephant foot yam over control, respectively. Incorporation of FYM alone recorded an increase of 24% corm yield over control. The starch, total sugars and dry matter contents in the corms of elephant foot yam were found highest due to the integrated use of FYM + ½NPK. The soil bacteria and actinomycetes are involved in nutrient transformations in the soils and had a significant relationship with yield and proximate composition of elephant foot yam and black gram. Highest dehydrogenase (1.86 µg TPF h-1g-1), fluorescein diacetate hydrolysis assay (2.86 µg TPF h-1 g-1), urease (282 µg NH4-N g-1 h-1), acid and alkaline phosphatase activities (82.3 and 70.3 µg PNP g-1 hr-1) were observed due to conjoint application of FYM + ½NPK. Integrated application of organic manure and half of the soil test based NPK not only sustained the soil quality but also enhanced productivity of elephant foot yam - black gram cropping system in Alfisols.
 
Publisher Indian Society of Coastal Agricultural Research
 
Date 2024-01-09
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/JISCAR/article/view/144923
10.54894/JISCAR.41.2.2023.144923
 
Source Journal of the Indian Society of Coastal Agricultural Research; Vol. 41 No. 2 (2023); 61-77
2584-0320
0972-1584
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/JISCAR/article/view/144923/53630
 
Rights Copyright (c) 2024 Indian Society of Coastal Agricultural Research (ISCAR)
https://creativecommons.org/licenses/by-nc-sa/4.0