Co-Authors:
Keren, R., Agricultural Research Organization,, Inst of Soils & Water, Bet, Dagan, Isr, Agricultural Research Organization, Inst of Soils & Water, Bet Dagan, Isr
Bingham, F.T., Agricultural Research Organization,, Inst of Soils & Water, Bet, Dagan, Isr, Agricultural Research Organization, Inst of Soils & Water, Bet Dagan, Isr
Rhoades, J.D., Agricultural Research Organization,, Inst of Soils & Water, Bet, Dagan, Isr, Agricultural Research Organization, Inst of Soils & Water, Bet Dagan, Isr
Abstract:
The effect of clay content and total boron content in soil on boron availability to plants (bell pepper) was studied, using a clay soil and a soil-sand mixture consisting of two parts of soil to one part of sand. Experimental results of boron in soil solution as a function of total boron content in soil were compared with values computed using a competitive adsorption model. The agreement between the calculated and the experimental results indicates that this model can be used to predict boron activity in soil solution at a water content lower than that of the saturated paste. Boron uptake by the plants was linearly correlated with the boron content in the soil for both soil systems. The boron content in the leaf tissue of the plants grown in the soil-sand mixture was significantly higher than that of the plants growing in the soil system at any level of boron added. Refs.
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