Tropical peat subsidence, nutrient losses and oil palm seedling growth due to different water table depths by Abubakar, Safiyanu Hashim

“…Ammonia loss from the soil was collected using a boric acid by air flow circulation that was passed through the exchange chamber into a trapping flask containing 75 mL boric acid mixed with bromocresol green and methyl red indicator. Based on rainfall events high water table depths (25 cm) showed higher nutrient leaching losses where they accounted for 22.3 N, 27.3 P, 22.3 K, 26.6 Mg, 24.4 Ca, 28.3 Cu, and 27.2 % Zn. …”
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