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• raei.yaghob Effect of plant growth promotiong rhizobacteria on growth and yield of Seed tubers of Potato Cultivars Mini-tubers [ Vol.12, Issue 40 - Spring Year 1399]
• Rahimi.Nader Evaluation of grain and oil yield changes of linseed (Linum usitatissimum L.) as affected by bio-fertilizers and supplementary irrigation [ Vol.12, Issue 41 - Summer Year 1399]
• rameeh.valiollah Genetic Diversity of Different Agronomic Traits in Rice Genotypes (Oryza sativa L.) [ Vol.12, Issue 42 - Autumn Year 1399]
• Ramroudi.Mahmood Evaluation of yield, yield components and nitrate leaching in soybean cultivation affected by different types of fertilizers and weed interference [ Vol.12, Issue 43 - Winter Year 1399]
• Ranjkesh.Nasim Genetic Diversity of Different Agronomic Traits in Rice Genotypes (Oryza sativa L.) [ Vol.12, Issue 42 - Autumn Year 1399]
• Rezaei Sokht-Abandani.Reza Effect of Drought Stress, Different Levels of Nitrogen and Potassium Fertilizer on Some Physiological and Agronomical Traits of Maize hybrid (Zea mays L. CV. Single cross 704) [ Vol.12, Issue 40 - Spring Year 1399]
• Rezaie allolo.Afsoon The effect of salicylic acid, glycine betaine and gamma amino butyric acid foliar spray on Carla antioxidant activity under water deficit stress [ Vol.12, Issue 40 - Spring Year 1399]
• Roozrokh.Mahdi Effect of glycine betaine application on yield and physiological characteristics of dryland wheat cultivars in Kermanshah [ Vol.12, Issue 41 - Summer Year 1399]
• roshdi.mohsen Study of agronomic characteristics nitrogen and nutrient fusion management [ Vol.12, Issue 41 - Summer Year 1399]
• Rostami.Arash Effect of nitrogen and Aztobactor fertilizers on the grain yield and nitrogen use efficiency of Moroccan single cross corn [ Vol.12, Issue 40 - Spring Year 1399]