STUDIES ON RESPONSES OF PLANTS GROWN ON SAND DUNE SOIL TO A NUTRIENT SOLUTION APPLIED BY DRIP IRRIGATION : III. Effect of Activity Ratio of Potassium to Calcium and Magnesium in Nutrient Solution on Lettuce Growth
スポンサーリンク
概要
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Investigations were carried out on the effect of the activity ratio of potassium to calcium and magnesium (a_k/√<a(Ca+Mg)> ) in the nutrient solution applied by drip irrigation on the growth and nutrient uptake of lettuce (Lactuca sativa var. Great Lakes 366) grown on Tottori sand dune soil. The a_k/√<a(Ca+Mg)> of the soil solution was influenced by that of the nutrient solution. Calcium nutrition of lettuce was not influenced by the a_k/√<a(Ca+Mg)> in the soil solution. However, the magnesium nutrition was improved at a low activity ratio, which resulted in the alleviation of the physiological injury.
- 社団法人日本土壌肥料学会の論文
著者
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FUJIYAMA HIDEYASU
Faculty of Agriculture, Tottori University
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Fujiyama Hideyasu
Faculty Of Agriculture Tottori University
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