EFFECT OF PHOSPHATE ROCK AND TRIPLESUPERPHOS-PHATE ON GROWTH AND LEAF N, P AND K CONTENTS OF GROUNDNUT (ARACHIS HYPOGAEA L.) GROWN ON A CLAY SOIL
M.A., E., El-Tilib, A., Elsheikh, E., Elkarim, A. (2006). EFFECT OF PHOSPHATE ROCK AND TRIPLESUPERPHOS-PHATE ON GROWTH AND LEAF N, P AND K CONTENTS OF GROUNDNUT (ARACHIS HYPOGAEA L.) GROWN ON A CLAY SOIL. EKB Journal Management System, 14(2), 873-880. doi: 10.21608/ajs.2006.15531
Elsheikh M.A.; A.M.A. El-Tilib; E.A.E. Elsheikh; A.H. Awad Elkarim. "EFFECT OF PHOSPHATE ROCK AND TRIPLESUPERPHOS-PHATE ON GROWTH AND LEAF N, P AND K CONTENTS OF GROUNDNUT (ARACHIS HYPOGAEA L.) GROWN ON A CLAY SOIL". EKB Journal Management System, 14, 2, 2006, 873-880. doi: 10.21608/ajs.2006.15531
M.A., E., El-Tilib, A., Elsheikh, E., Elkarim, A. (2006). 'EFFECT OF PHOSPHATE ROCK AND TRIPLESUPERPHOS-PHATE ON GROWTH AND LEAF N, P AND K CONTENTS OF GROUNDNUT (ARACHIS HYPOGAEA L.) GROWN ON A CLAY SOIL', EKB Journal Management System, 14(2), pp. 873-880. doi: 10.21608/ajs.2006.15531
M.A., E., El-Tilib, A., Elsheikh, E., Elkarim, A. EFFECT OF PHOSPHATE ROCK AND TRIPLESUPERPHOS-PHATE ON GROWTH AND LEAF N, P AND K CONTENTS OF GROUNDNUT (ARACHIS HYPOGAEA L.) GROWN ON A CLAY SOIL. EKB Journal Management System, 2006; 14(2): 873-880. doi: 10.21608/ajs.2006.15531

EFFECT OF PHOSPHATE ROCK AND TRIPLESUPERPHOS-PHATE ON GROWTH AND LEAF N, P AND K CONTENTS OF GROUNDNUT (ARACHIS HYPOGAEA L.) GROWN ON A CLAY SOIL

Arab Universities Journal of Agricultural Sciences
Article 23, Volume 14, Issue 2, September 2006, Page 873-880  XML PDF (346.92 K)
Document Type: Original Article
DOI: 10.21608/ajs.2006.15531
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Authors
Elsheikh M.A.* 1; A.M.A. El-Tilib2; E.A.E. Elsheikh2; A.H. Awad Elkarim2
1Laboratory of Environmental Soil Science, Faculty of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime, 790-8566, Japan
2Department of Soil and Environment Science, Faculty of Agriculture, University of Khartoum, Shambat, Sudan
Abstract
A pot experiment was carried out to investigate the agricultural value of a local phosphate rock (PR) as a source of plant phosphorus compared with that of the cur-rently imported triplesuperphosphate (TSP) .The PR was applied at the rate of 0, 55, and 110 kg P2O5 /ha and the TSP was at the rate of 0 , 45 and 90 kg P2O5 /ha. The growth and leaf contents of N, P and K of groundnut (Arachis hypogaea L.) grown on a clay soil were measured. The experiment continued for two seasons. Phosphatic fertilizers are of low recovery; therefore, they can remain for the next crop. Thus, the pots of the first season were set to study the residual effect of phosphorus in the second season. The results indicated that PR and TSP significantly (P>0.05) in-creased dry weights of shoot and root, leaf contents of N , P and available soil phos-phorus. However, plant height was significantly increased by TSP only. The leaf content of K was neither affected by PR nor TSP application. The results showed a positive effect of the residual PR and TSP on the measured parameters. Moreover, the results revealed that the plant measurements obtained from PR treatments were comparable to those obtained from TSP treatments which indicate that PR can be used as a potential source of phosphorus fertilizer.
Keywords
Rock phosphates; Triplesuperphosphates; Ground nut; clay soil
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