1.

Fertility Status of Paddy Soils in Guilan Province

Pages 1-13
Naser Davatgar; Ahmad Zare; Maryam shakouri; Leila Rezaee; Masoud Kavoosi; Hadi Sheikholeslam; Mojtaba Shahnazari; Ehsan kahneh; Ahmad Shirinfekr; Iraj Bonyadi; Shaygan Adibi; Esmaeil Moshirtalesh; Ali Kodashenas; Hsan Shokrivahed; Farahnaz Darighgoftar; Akbar Rahimimoghadam; Ali Ajililahiji

2.

Determination of land Production Potential for Wheat in Gotvand and Shoustar Areas, Khuzestan Province

Pages 15-23
Alireza Seyedjalali

3.

Rhizosphere, an Approach to Management the Soil around the Roots

Pages 25-35
Masoud Dadivar; Majid Forouhar

4.

The role of Rhizobium in Nitrogen Management in Agricultural Lands under Legumes Cultivation

Pages 37-48
Hooshang Khosravi

5.

Optimed Management of Fertilizer Recommendation in Black Cumin (Bunium persicum L.) Cultivated Lands

Pages 49-60
Mojtaba Nourihoseini; Hamidreza Zabihi

6.

The Necessity of Integrated Soil Fertility Management for Wheat Production in Iran

Pages 61-72
Peyman Keshavarz; Farhad Moshiri; Mohammadmehdi Tehrani; Mohammadreza Balali


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