Growth and Yield of Sweet Potato (Ipomoea batatas L.) in Rice Fallows: Effect of Tillage and Varieties

Authors

  • M Nedunchezhiyan Regional Centre of CTCRI (ICAR-CTCRI) Dumduma HBC Bhuabaneswar - 751019, Odisha
  • D P Sinhababu Central Rice Research Institute, Cuttack 753 006, Odisha, India
  • PK Sahu Central Rice Research Institute, Cuttack 753 006, Odisha, India
  • Vikramathitya Pandey Krishi Anusandhan Bhavan II, Pusa, New Delhi 110 012, India

Keywords:

Tillage, sweet potato, yield attributes, root yield

Abstract

A field experiment was conducted for two years (2005-2007) under rice-fish farming system in deep  water ecology (>50 cm water depth) at the Experimental Farm of the Central Rice Research Institute,  Cuttack, India, to study the performance of different varieties of sweet potato (Ipomoea batatas L.)  under different methods of tillage in lowland rice fallow. Conventional tillage resulted in higher yield  and yield attributes over minimum tillage due to compressed storage root growth under the latter  condition. Minimum tillage decreased the bulk density and increased the penetration resistance. Thevariety Sourin produced higher tuber yield under minimum tillage, while Kishan responded better to  conventional tillage. Minimum tillage resulted in70% of the root yield and 90% of vine yield. However  it could reduce the crop duration by 20 days and water requirement by 12 cm. The study indicated  that for higher cropping intensity and utilization of residual excess moisture, sweet potato crop can be  grown in lowland rice fallow with irrigation and also in rice-fish system in deep water situation with the  variety Kishan under conventional tillage and Sourin under minimum tillage conditions.

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Published

2015-01-01

How to Cite

Nedunchezhiyan, M., Sinhababu, D. P., Sahu, P., & Pandey, V. (2015). Growth and Yield of Sweet Potato (Ipomoea batatas L.) in Rice Fallows: Effect of Tillage and Varieties. JOURNAL OF ROOT CROPS, 39(2), 110–116. Retrieved from https://journal.isrc.in/index.php/jrc/article/view/86

Issue

Vol. 39 No. 2 (2013): Journal of Root Crops

Section

Research Articles

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