Root Characters of Maize as Influenced by Drip Fertigation Levels - American Journal of Plant Sciences

AJPS > Vol.4 No.2, February 2013

Root Characters of Maize as Influenced by Drip Fertigation Levels ()

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Download as PDF (Size: 335KB) PP. 340-348

DOI: 10.4236/ajps.2013.42045 5,598 Downloads 9,277 Views Citations

Author(s)

Anitta Fanish Sundara Raj, Purushothaman Muthukrishnan, Pachamuthu Ayyadurai

Affiliation(s)

Department of Agronomy, Tamil Nadu Agricultural University, Tamil Nadu, India.

ABSTRACT

The efficient use of water by modern irrigation systems is becoming increasingly important in arid and semi-arid regions with limited water resources. Field experiments were conducted during 2008-2010 to study the effect of drip fertigation with water soluble fertilizer on root growth of maize under maize based intercropping system. The experiment was laid out in strip plot design with three replications. The treatment consists of nine fertigation levels in main plots and four inter crops in sub plots. Root spread and root dry mass were increased under drip fertigation practices while rooting depth was more under surface irrigation. Drip fertigation with water soluble fertilizer improved the root system by inducing new secondary roots which are succulent and actively involved in physiological responses. Drip fertigation has pronounced effect on the root architecture especially in the production of highly fibrous root system.

KEYWORDS

Drip Fertigation; Maize Based Intercropping System; Root Spread; Root Dry Weight

Share and Cite:

A. Raj, P. Muthukrishnan and P. Ayyadurai, "Root Characters of Maize as Influenced by Drip Fertigation Levels," American Journal of Plant Sciences, Vol. 4 No. 2, 2013, pp. 340-348. doi: 10.4236/ajps.2013.42045.

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