Response of vegetable cowpea to nitrogen and potassium under varying methods of irrigation
Keywords:
Vegetable cowpea, irrigation, nitrogen, potassiumAbstract
An experiment on vegetable cowpea Vigna unguiculata subsp. sesquipedalis) with three methods of irrigation (surface irrigation at 20 mm CPE with 40 mm water, irrigation at 10 mm CPE with 20 mm water through micro-sprinkler and farmer's practice of daily pot watering with 10 mm water) and three levels each of nitrogen and potassium (0, 20 and 40 kg haj ) was conducted in the sandy clay loam soils.of the Instructional Farm of the College of Agriculture, Trivandrum during the summer season of 1999. Irrigating the crop with 20 mm water through micro-sprinkler resulted in significantly higher green pod yield as compared to the other two methods. The crop response to nitrogen and potassium was positive up to 20 kg ha-1.Downloads
Published
How to Cite
Issue
Section
License
Copyright © 2001-11 Kerala Agricultural University. Some rights reserved. This journal and the individual contributions contained in it are protected under copyright by the Kerala Agricultural University and the following terms and conditions apply to their use; Photocopying Single photocopies of single articles may be made for personal use as allowed by national copyright laws. Permission of the publisher and payment of a fee is required for all other photocopying including multiple or systematic copying, copying for advertising or promotional purposes, resale, and all forms of document delivery. Permission may be sought directly from the Editor, Journal of Tropical Agriculture, Department of Agronomy, College of Horticulture,, Kerala Agricultural University, KAU PO, Thrissur 680 656, Kerala, India. (Phone: +91-487-2438325; Fax +91-487-2371040; E-mail: editor.jta@kau.in. Derivative works Subscribers may reproduce tables of contents or prepare lists of articles including abstracts for internal circulation within their institution. Permission of the Publisher is required for resale or distribution outside the institution. Permission of the Publisher is required for all other derivative works, including compilations and translations. Notice No responsibility is assumed by the Publisher for any injury and/or damage to persons or property as a matter of products, liability, negligence, or otherwise, or from any use of any methods, products, instructions or ideas contained in the material herein.