مهدی سمواتی,

[ 1 ] - هم‌بستگی بین پارامترهای کمیت - شدت پتاسیم خاک (Q/I) با برخی از خصوصیات خاک در تعدادی از خاک‌های شهرستان بهار

Quantity-Intensity (Q/I) curves and their derived parameters provide general information about soil Potassium (K) availability. This investigation was conducted to obtain K different varieties and their correlations with K, Q/I parameters in 13 soils sample from Bahar area as the major potato producing area in Iran. Soil Samples were equilibrated with solution containing different potassium act...

[ 2 ] - اجزای مختلف فسفر معدنی و قابلیت فراهمی آن در تعدادی از خاک‌های استان همدان

Phosphorus is often considered the most limiting soil nutrient for plant productivity. Several extractants have been typically used to measure available P. Organic and inorganic P fractions are not measured by common soil test, and thus fractionation schemes using various extractants have been developed over years to quantify the different chemical forms of P in soils. The objectives of this re...

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