PHOSPHORUS SOIL TESTING:1- EVALUATING OF A FEW EXTRACTANTS IN DETERMINING ALFALFA AVAILABLE PHOSPHORUS

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HOSSEINPUR A.R.; SHARIAT MADARI H.

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Journal Paper

Paper Information

Journal: Journal of Water and Soil Science Year:2007 | Volume:10 | Issue:4 (A) Page(s): 107-119

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Title

PHOSPHORUS SOIL TESTING:1- EVALUATING OF A FEW EXTRACTANTS IN DETERMINING ALFALFA AVAILABLE PHOSPHORUS

Author(s)

HOSSEINPUR A.R. | SHARIAT MADARI H. | Issue Writer Certificate

Keywords

EXTRACTANTQ2

AVAILABLE PHOSPHORUSQ2

ALFALFAQ3

Abstract

Hamadan province is one of the most important ALFALFA (Medicago sativa) producing regions in Iran. However, little is known about P status in this region and no suitable extraction method has yet been introduced. This experiment was carried out to determine the AVAILABLE PHOSPHORUS by nine chemical EXTRACTANTs in some soils of the Hamadan region. The treatments consisted of 15 soils and 2 P levels (0 and 200 mg P kg-1 as Ca (H2PO4)2.H2O) in a factorial experiment in a randomized design with three replications. ALFALFA plant were harvested in three cutting. The results indicated that the amount of extractable phosphorus decreased in the following order: Collwell>Bray 2>0.1 N HC1>Bray I>Olsen>ABDTPA> Mehlich l>Mehlich 2 > 0.01 M CaCl2 The amounts of P extracted by all methods except that by 0.01 M CaCl2 method, showed significant correlation. The results of correlation studies showed that in the first cutting, Collwel method, in the second cutting AB-DTPA, Olsen, Collwel, Bray 1, Bray 2 and Mehlich 2 and in the third cutting, AB-DTPA, Olsen, Collwel, Bray 1, and Mehlich 2 methods seems to be suitable EXTRACTANTs for assessing available P of soils in Hamadan province.

Cites

STUDY THE RELATIONSHIP BETWEEN PHOSPHOROUS EXTRACTED BY SOME DIFFERENT EXTRACT ANTS AND INORGANIC FORMS OF PHOSPHOROUS IN GOLESTAN PROVINCE SOILS

References

ارزیابی گلخانه ای و آزمایشگاهی چند عصاره گیر جهت تعیین فسفر قابل استفاده ذرت در برخی از خاک های آهکی استان فارس

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APA: Copy

HOSSEINPUR, A.R., & SHARIAT MADARI, H.. (2007). PHOSPHORUS SOIL TESTING:1- EVALUATING OF A FEW EXTRACTANTS IN DETERMINING ALFALFA AVAILABLE PHOSPHORUS. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 10(4 (A)), 107-119. SID. https://sid.ir/paper/14749/en

Vancouver: Copy

HOSSEINPUR A.R., SHARIAT MADARI H.. PHOSPHORUS SOIL TESTING:1- EVALUATING OF A FEW EXTRACTANTS IN DETERMINING ALFALFA AVAILABLE PHOSPHORUS. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2007;10(4 (A)):107-119. Available from: https://sid.ir/paper/14749/en

IEEE: Copy

A.R. HOSSEINPUR, and H. SHARIAT MADARI, “PHOSPHORUS SOIL TESTING:1- EVALUATING OF A FEW EXTRACTANTS IN DETERMINING ALFALFA AVAILABLE PHOSPHORUS,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 10, no. 4 (A), pp. 107–119, 2007, [Online]. Available: https://sid.ir/paper/14749/en

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