Effect of Different Urea Foliar Application Timing on Growth and Yield of Groundnut (Arachis hypogaea L.) cv HL25 in Nethouse

Date Received: 23-12-2014

Date Accepted: 27-03-2014

Date Published: 06-08-2025

##submissions.doi##: https://doi.org/10.31817/tckhnnvn.2014.12.2.

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Issue: Vol. 12 No. 2 (2014)

Section:

NÔNG HỌC

How to Cite:

Thuc, L., Dien, D., Duy, M., Dang, N., & Dung, L. (2025). Effect of Different Urea Foliar Application Timing on Growth and Yield of Groundnut (Arachis hypogaea L.) cv HL25 in Nethouse. Vietnam Journal of Agricultural Sciences, 12(2), 139–145. https://doi.org/10.31817/tckhnnvn.2014.12.2.

Effect of Different Urea Foliar Application Timing on Growth and Yield of Groundnut (Arachis hypogaea L.) cv HL25 in Nethouse

Le Vinh Thuc (*) , Dang Thanh Dien , Mai Vu Duy , Nguyen Phuoc Dang , Le Viet Dung

  • Tác giả liên hệ: [email protected]

    • Keywords

    Groundnut and yield, harvest index, nitrate

    Abstract


     The aim of this reaserch was to compare urea foliar application timing on growth and yield of groundnut (Arachis hypogaea L.) grown in net house and to determine the optimal timing of nitrogen application for improving yield and harvest index. The pot experiment was conducted in completely randomized design (CRD) with foliar  application of urea at 15, 22, 29 and 36 days after sowing and control without urea application. The results showed that the length of roots, number of branches and number of seeds per pod were not affected by foliar application timing. Urea application at 36 DAS increased number of filled pods per plant (16.2 pods/plant), pod weight per plant (22.0 g/plant), seed weight per plant (17.2 g/plant) and harvest index (0.59), although these were not statistically significant.

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