Evaluation of Rhizobium inoculation in combination with phosphorus and nitrogen fertilization on groundnut growth and yield

Mohammed Hasan, Ismail Sahid

Research output: Contribution to journalArticle

Abstract

Background and Objective: Low soil fertility status, nutritional imbalance and inappropriate agronomic practices are the major problems limiting the current production and yield of groundnut, therefore, a study was conducted during 2015/2016 at the greenhouse of the Universiti Kebangsaan Malaysia (UKM), Bangi, Malaysia, to evaluate the effect of Rhizobium inoculation, in combination with Phosphorus (P) and Nitrogen (N) fertilization on the growth and yield of groundnut. Methodology: The experiment included plots with and without Rhizobium inoculated treatments, two rates of Phosphorus (P) fertilizer (0.82 kg ha-1) and two rates of Nitrogen (N) fertilizer (0.27 kg ha-1). The treatments were laid out in a split-split plot design with two main plots (plots with and without Rhizobium), two subplots (for two nitrogen levels), two sub-sub-plots (for two phosphorus levels) and the experiment replicated thrice. Results: The highest growth and yield parameters such as maximum plant height (75 cm), number of branches (21.3 per plant), number of nodules (45 per plant), number of pods (18.3 per plant), pod yield (2661.7 kg ha-1), 100 seed weight (39.2 g), shelling percentage (43.1%), oil content (54.3%), protein content (25.6%), seed moisture (7.9%) and seed germination (86%) were observed in artificially inoculated Rhizobium treatment plots where the recommended dosage of inorganic P and N fertilizers were applied. Conclusion: Based on the results of the study it can be tentatively concluded that groundnut seed inoculated with Rhizobium and subsequently fertilized with P2O5 and N at rates of 82 and 27 kg ha-1, respectively during the growth stage showed improved growth and yield parameters.

Original languageEnglish
Pages (from-to)142-146
Number of pages5
JournalJournal of Agronomy
Volume15
Issue number3
DOIs
Publication statusPublished - 2016

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Rhizobium
peanuts
phosphorus
nitrogen
nitrogen fertilizers
Malaysia
pods
seeds
shelling
plant cultural practices
nutritional status
soil fertility
seed germination
lipid content
protein content
developmental stages
fertilizers
greenhouses
dosage
methodology

Keywords

  • Arachis hypogaea
  • Growth
  • Inorganic fertilizers
  • Synthetic Rhizobium
  • Yield

ASJC Scopus subject areas

  • Agronomy and Crop Science

Cite this

Evaluation of Rhizobium inoculation in combination with phosphorus and nitrogen fertilization on groundnut growth and yield. / Hasan, Mohammed; Sahid, Ismail.

In: Journal of Agronomy, Vol. 15, No. 3, 2016, p. 142-146.

Research output: Contribution to journalArticle

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