Investigation of the microbial and soil invertebrates’ biodiversity indices of hard wood and soft wood plantations in west of Guilan province

Pages 1-12

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Relationships between available Cu and its chemical fractions in some calcareous soils of East Azerbaijan province

Pages 13-23

Mahdieh Haghighat Afshar; Adel Reyhanitabar

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Isolation and investigation of some growth-promoting properties of halotolerant bacteria -producing polymer of saline soils

Pages 24-36

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Determination of soil fertility using multi-criteria decision in Tarbor-Darian plain, Fars province

Pages 37-48

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Effect of Triple Superphosphate and Wheat Cultivation on Mineral Phosphorus Forms in Calcareous Soils of Qazvin Plain

Pages 49-63

jafar shahabifar; Ebrahim Panahpour; Farhad Moshiri; Mehrzad Mostashari

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Evaluation of the Parsian Mulch and Polyacrylamide Impact on the Runoff Generation and Sediment Yield of Sandy Loam Soils with Gypsum Base

Pages 64-76

Freidoon Soleimani; Ataollah Kavian; Foroud Sharifi; Karim Soleimani; Kaka Shahedi

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Study of phosphorus sorption behaviour in cultivated soils of Khoy region

Pages 77-91

Behnam Dovlati

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Investigation of Iron Chemical Fractions in Some Calcareous Soils of Orange (Citrus sinensis L.) Orchards in Darab Region, East southern of Fars Province

Pages 92-105

hamidreza boostani

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Application of Heuristic Methods in Prediction of Wheat Yield

Pages 106-117

Moslem Servati; Ali Barikloo; Parisa Alamdari; Kamran Moravej

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Effect of Different Sources and Amounts of Nitrogen on Root Yield and Some Qualitative Characteristics of Sugar Beet

Pages 118-129

Aziz Majidi; Hosien Tabiehzad

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Effect of municipal waste solid compost, cow and Poultry manure on available heavy metal in three different soil texture

Pages 130-145

Eisa Ebrahimi; ghasem rahimi; Salahedin Moradi; mohsen yari

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