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Paper Information

Journal:   IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES   2003 , Volume 17 , Number 1; Page(s) 80 To 89.
 
Paper: 

DETERMINATION OF MYOCORRHIZAL SOIL INFECTIVITY AND SOME CHEMICAL AND PHYSICAL PROPERTIES OF RAINFED WHEAT GROWING AREAS OF EAST AZARBAYJANDETERMINATION OF MYOCORRHIZAL SOIL INFECTIVITY AND SOME CHEMICAL AND PHYSICAL PROPERTIES OF RAINFED WHEAT GRO

 
 
Author(s):  REJALI F., ALI ZADEH A., SALEH RASTIN N., MALAKOUTI M.J.
 
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Abstract: 
Investigations on some thirty rainfed wheat fields in East Azarbayjan have shown that the soils were recently developed or consisted of materials with conditions such as low levels of essential nutrients and organic matter, and insufficient moisture that limit rainfed wheat cultivation in that province. Estimates of spore populations, and of total indigenous as an index of the soil mycorrhizal potential, showed that the populations in the rainfed wheat fields were lower than those of forage crops such as alfalfa. The greatest levels of spores and MIP (Mycorrhizal Infectivity Potential) for the investigated wheat fields were 110 and 209 per 50 grams of soil samples, respectively. The respective populations for Alfalfa fields were in the order of 135 and 245 per 50 grams of soil samples. MIP values increased significantly due to increases in the level of asexual Arbuscular mycorrhizal spores, the organic carbon, mineral nitrogen content of the soil, soil available potassium, manganese, and zinc, while increases in the level of available phosphorus significantly reduced MIP levels in the soils.
 
Keyword(s): WHEAT, ARBUSCULAR MYCORRHIZA, INFECTIVITY POTENTIAL(IP)
 
References: 
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