NDLI: Phosphate solubilizing bacteria and arbuscular mycorrhizal fungi impacts on inorganic phosphorus fractions and wheat growth.

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Phosphate solubilizing bacteria and arbuscular mycorrhizal fungi impacts on inorganic phosphorus fractions and wheat growth.

Content Provider	CiteSeerX
Author	Yousefi, Abdol Amir Khavazi, Kazem Moezi, Abdol Amir Rejali, Farhad Nadian, Habib Allah
Abstract	Abstract: Despite abundant amounts of phosphorus in parent material, the soil phosphors availability is limited for plant. Some soil micro-organisms enhance solubility of phosphate in calcareous soils. This study investigated the effects of phosphate solubilizing bacteria (PSB) and arbuscular mycorrhizal fungi (AMF) and their interactions on crop performance, changes in biological population and inorganic phosphorus fractions. The experimental design was split plot factorial with on a complete randomized block design. The treatments included four soil types (clay, clay loam, loam and sandy loam), three phosphorus fertilizer 1 levels (0, 20 and 40 mg kg) and four levels of phosphate solubilizing microorganisms (PSM). At time physiological maturity, dry matter weight (shoots or roots), plant height, spike length, grain spike number and grain yield in each spike were measured. The percentage of colonized roots, number of PSB and fungi spore and inorganic phosphorus fractions in the root zone were determined. Resulted indicated that the highest shoot dry 1 matter was in clay loam soil (21.5 g pot). Combined application of PSB and AMF increased shoot dry matter yield, seed grain spike number and grain yield by 52, 19 and 26%, respectively compared to the controls. Phosphorus application increased Olsen-P, Ca2-P and Ca8-P % while biological fertilizers reduced the amount of Ca2-P and ca8-P%.
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Subject Keyword	Inorganic Phosphorus Fraction Arbuscular Mycorrhizal Fungi Phosphate Solubilizing Bacteria Wheat Growth Grain Yield Soil Micro-organism Enhance Solubility Phosphate Solubilizing Microorganism Mg Kg Soil Phosphor Availability Abundant Amount Spike Length Biological Population Sandy Loam Colonized Root Time Physiological Maturity Parent Material Root Zone Crop Performance Seed Grain Clay Loam Dry Matter Weight Plant Height Complete Randomized Block Design Soil Type Experimental Design Grain Spike Number Biological Fertilizer Clay Loam Soil Shoot Dry Matter Yield Calcareous Soil Phosphorus Application
Content Type	Text
Resource Type	Article

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