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Development and Evaluation of Customized Fertilizer Formulations for Tuber Crops Grown as Intercrops in Coconut Gardens

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Title Development and Evaluation of Customized Fertilizer Formulations for Tuber Crops Grown as Intercrops in Coconut Gardens
Not Available
 
Creator P.S. Anju1, K. Susan John1, S. Bhadraray2, G. Suja1, Jeena Mathew3, K.M. Nair4, S. Sunitha1 and S.S. Veena1
 
Subject Tuber yield, nutrient requirement, fertilizer use efficiency, soil test crop response, response curve, tuber quality, B:C ratio, cassava, sweet potato, intercropping of elephant foot yam
 
Description Not Available
Tropical tuber crops like cassava, sweet potato, yams and aroids are some of the most important food crops of man
since time immemorial. Soil fertility and plant nutrition studies over half-a-century at ICAR-Central Tuber Crops
Research Institute (CTCRI) have shown these crops to be highly responsive to the application of fertilizers and
manures. With paradigm shift in focus to issues of soil, plant, animal and human health, site-specific/custom-made
fertilizer formulations based on soil nutrient status and plant nutrient requirement are gaining importance. An
attempt was made to formulate customized fertilizer (CF) formulations for elephant foot yam (EFY) grown as intercrop
in coconut gardens of the two agro-ecological units (AEU) of Kerala viz., AEU 3 and AEU 9. Elephant foot yam is a
popular tuberous vegetable grown in Kerala, mostly as intercrop in coconut gardens owing to its long shelf-life;
nuetraceutical, medicinal and economic benefits; tolerance to marginal environments; high yield potential; and a
possibility to grow throughout the season. This paper gives the protocol followed for developing the formulations.
These formulations were tested at different locations across AEUs 3 and 9 for two seasons to arrive at the best
formulation along with optimum rate of application. Product CF2 with 7:12:24:2.5:1.25:0.4 grade of N:P2O5:K2O:Mg:Zn:B
at 625 kg ha-1 was found to be the best. These at the 625 and 500 kg ha-1 rates were again tested for different genotypes
of cassava and sweet potato (var. Sree Arun) on station and for greater yam at ICAR-CPCRI under intercropping in
coconut.
Not Available
 
Date 2021-08-04T06:05:36Z
2021-08-04T06:05:36Z
2018-10-01
 
Type Article
 
Identifier Not Available
0973-1822
http://krishi.icar.gov.in/jspui/handle/123456789/52844
 
Language English
 
Relation Not Available;
 
Publisher Fertilizer Association of India