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International Journal of Plant & Soil Science

International Journal of Plant & Soil Science, ISSN: 2320-7035,Vol.: 23, Issue.: 2

Original-research-article

Effect of Enriched Phosphatic Sludge Application on Growth and Nutrient Uptake of Finger Millet Crop under Greenhouse Conditions

 

Moram Harsitha1*, N. B. Prakash1 and Eresh1

1Soil Science and Agricultural Chemistry, University of Agricultural Sciences (UAS), Gandhi Krishi Vignana Kendra (GKVK), Bengaluru-560065, India.

 

Article Information

Editor(s):

(1) Abigail Ogbonna, Department of Plant Science and Technology, Faculty of Natural Sciences, University of Jos, Nigeria.

(2) L. S. Ayeni, Adeyemi College of Education, Ondo State, Nigeria.

Reviewers:

(1) Diony Alves Reis, Federal University of Western Bahia, Brazil.

(2) Habu Saleh Hamisu, National Horticultural Research Institute, Nigeria.

(3) Dinesh Kumar, Rai University, India.

Complete Peer review History: http://www.sciencedomain.org/review-history/25082

 

Abstracts

 

A pot culture experiment was conducted to assess the effect of different levels of enriched phosphatic sludge (EPS) application on growth and nutrient uptake of finger millet crop grown under greenhouse conditions. Before application, EPS was analyzed for various parameters. The analytical results revealed that the pH value of EPS was alkaline in reaction (8.03), medium in salt content (0.97 dS m-1) and high in organic carbon (11.30 %) content. With respect to nutrient composition, EPS had high amount of phosphorus (6.88 %) and the total N, K, Ca, Mg and S contents were also appreciable in the enriched phosphatic sludge (1.51, 1.20, 1.50, 1.10 and 1.20 %, respectively), Application of RDF + EPS at 750 kg ha-1 showed significantly higher plant height and number of leaves during all the plant growth stages. Maximum shoot (20.47 g pot-1) and root dry matter (10.10 g pot-1) of finger millet was recorded with application of RDF + EPS at 750 kg ha-1. Higher N (2.28 %), P (0.42 %) and K (2.60 %) content in above ground dry matter of finger millet was recorded with the application of RDF + EPS @ 750 kg ha-1. Higher N (468.61 mg pot-1), P (86.32 mg pot-1) and K (535.40 mg pot-1) uptake in above ground dry matter of finger millet was observed with the application of EPS at 750 kg ha-1 along with RDF as compared to other levels of EPS.

 

Keywords :

Enriched phosphatic sludge; finger millet; growth and nutrient uptake.

 

Full Article - PDF    Page 1-6    Article Metrics

 

DOI : 10.9734/IJPSS/2018/38714

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