Effect of Lime and Phosphorus Application on the Growth of Cacao Seedlings

  • Morais F
  • Santana C
  • Santana M
  • 4

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Abstract

Cacao seedlings grown under greenhouse conditions on an acid soil (Vargito -Typic Tropudult) were submited to five levels of lime (0, 15, 25, 80 and 100% of the amount required to reach pll 6.4) and three levels of phosphorus (0, 20 and 100 ppm). All the plants received an uniform dosage of nitrogen, potassium, magnesium, sulfur and micronutricnts (rc, Cu, Mn, Zn and Bo). Liming increased yield of cacao when the AI saturation was greater than 50%, this effect being enhanced by P fertilization . On soil samples with AI less than 50%, l' application was more cffco.:tivc than lime in increasing growth of cac:10 seedlings.

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Authors

  • Francisco I. Morais

  • Charles J.L. Santana

  • M. Bernadeth M. Santana

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