A study on micronutrient elements (iron, manganese, zinc, copper) limiting peanut yield in the Takli soil series and their remedial methods
1985
Prasert Amarit
Peanut treated with iron showed no symptom of chlorosis. Seed yield were the highest (9.93 g/pot) when compared to those treated with manganese, zinc, copper and no micronutrient elements (8.23, 8.33, 6.99 and 6.82 g/pot, respectively). The highest iron uptake (2.983 mg/pot) in stubble and seed was observed on those peanut plant treated with iron, while those treated with manganese, zinc and copper, the iron uptake in stubble and seed were 1.763, 2.024 and 1.668 mg/pot, respectively. Summing up, the results revealed that Takli soil series had problem of iron deficiency when peanut was grown. In addition, the application of Fe-DTPA gave the highest efficiency to improve iron deficiency of peanut grew on the Takli soil series
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