To study the role of magnesium sulphate on quality and quantity function of wheat in Iran

alireza farrokh



This experiment was randomly performed in 3 replications and 7 treatments in Karaj in 2001-2002 agricultural years to see the effects of magnesium sulphate in different levels on wheat to increase its yield in hectare and fortification to get independence and have a healthier society. Mixed samples of soil were taken before planting and sent to laboratory to determine physical and chemical properties for fertilizer recommend. Using acetate ammonium, soil magnesium 1 normal ph=7 in Karaj (1-seed and scion in statute 2-water and soil research site) 207.5, 265 and the magnesium of water for irrigation orderly was  14.4 and 13.2 mg a liter. Fertilizer cares were: the first, NP, the second recommended on the basis of soil experiment (high use and low use), the third, the second plus magnesium sulphate (150 Kg) before planting, the forth is the second plus magnesium sulphate (300 Kg in ha) before planting, the fifth was the second plus magnesium (450 Kg in ha) before planting, the sixth was the second plus magnesium sulphate (600 Kg in ha) before planting, the seventh was the second plus magnesium sulphate (300 Kkg in ha) before planthing  and 300 Kg when it gets eared. The results showed that the most yield of grain in Karaj 1 and karaj 2 was orderly for fertilizer cares of T5 and T7. Grain yield increment in Karaj 1 and Karaj 2 compared to the best use of fertilizer was orderly 595 and 624 Kg. Adding magnesium sulphate to soil resulted more density of magnesium in wheat grains. Adding magnesium to soil caused zinc density increment in Karaj 1, but decrement in Karaj 2. Magnesium critical limit in soil by normal 1 acetate ammonium method, 750 mg in Kg is recommended considering the results. More experiments are recommended to separate the effect of magnesium and sulphate.


Key words: ,wheat, sulphate, magnesium, quality and guantity .

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