Apply 400 kg of combination/ha in two doses, after in April/May possibly and A different in September/Oct through the fifth calendar year until the tree is ready for tapping. The literature on nutrient diagnostics or nutrient stability solutions for taking care of fertilization in immature rubber plantations is too scarce https://louisifxph.rimmablog.com/31840483/how-take-care-of-the-orchard-can-save-you-time-stress-and-money