Comparative Efficiency of Different Organic Acids Spraying in Groundnut on Available Nutrient Status of Calcareous Soils

on the status of mixed methods research in applied linguistics

چکیده ندارد.

Available zinc status of lebanese soils

effect of organic acids on sorption and immobilization of fe in acidic and calcareous soils

organic acids exuded by plant roots increase solubility of soil micronutrient complexes. this study was carried out to evaluate adsorption isotherms of 4 acidic and 4 calcareous soils at presence of organic acids (citric, malic and oxalic acids). iron sorption and desorption isotherms are defined in to two systems including; system 1; soil-water-metal, system 2; soil-water-organic acid-metal). ...

Effect of Acidic Biochars on Some Chemical Properties and Nutrient Availabilities of Calcareous Soils

Low organic matter content and alkaline pH of calcareous soils in arid and semi-arid regions are the main reasons for the low nutrient availabilities for plants in these soils. One way to improve the chemical properties and fertility of calcareous soils is the application of organic substances such as biochar produced from pyrolysis of organic wastes. However, biochars have an almost predominan...

effects of low-molecular weight organic acids on phosphorus sorption in some calcareous soils

the effect of 0, 2, and 5 mm of citric, malic and oxalic acids on phosphorus (p) sorption was evaluated. in the collected soils, the level of total calcium carbonate stood in the range of 4-28%, clay content at 33-56% and the amount of organic matter recorded within 0.6-2.7%. the results indicated that the addition of organic acids causes reduction in p sorption. citric acid in most soils, was ...