1.

Necessity of Establishing “Fertilizer Law” and “National Standards” for Fertilizer Management System in Iran

Pages 219-225
K. Bazargan; M. Matinfar; H. Hoseinzadeh; M. H. Davoodi; H. Rezaei; M. N. Gheibi
2.

Evaluation of the Relationship of Soil Quality Models And Sustainability Indices of Agricultural and RangeLand Soils in South Mashhad

Pages 227-234
H. Shahab Arkhazloo; Hojat Emami; G. H. Haghnia
3.

Evaluation of Phosphorus Status in Some Potato Fields of Mojen Region in Semnan Province

Pages 235-243
E. Mirbagheri; ali abbaspour; A. Rohani; H. Ghorbani
4.

Investigating the Sustainability Situation of Agricultural Soils in Karaj Plain

Pages 245-254
Hojat Emami
5.

Effect of Sulfur Biological Oxidation Trend on Release of Iron and Zinc

Pages 255-267
A. Siami; H. Besharati
6.

Studying Tillage Effects on Physical Factors Affecting Plant Growth Using LLWR Index

Pages 269-276
H. Ghafari; M. Nekoeimehr; M. Farzan
7.

Effects of Different Strains of Pseudomonads on Yield, Yield Components, and Phosphorus Uptake of Three Rice Cultivars

Pages 277-288
Mahmoud Reza Ramezanpour; H. Asadi Rahmani; K. Khavazi
8.

Effects of Cd Pollution on Alfalfa Growth and Nitrogen Fixation of Native Isolates of Sinorhizobium meliloti

Pages 289-301
S. Memar Kouche-bagh; H. Besharati
9.

Studying Clay Minerals in Soils Formed on Loess Parent Materials in a Climatic Gradient in Golestan Province

Pages 303-316
M. Zeraat Pishe; F. Khormali; F. Kiani; M. H. Pahlavani


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