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100 _aThinh T V
245 0 _aEfficacy of slow-release fertilizer on the performance of seedlings of Hevea brasiliensis
260 _bIRRDB Symposium on Natural Rubber(Hevea brasiliensis) V.1- General, Soils and Fertilization and Breeding and Selection Sessions. Ho Chi Minh City, Vietnam, 14-15 October 1997,p54-61
520 _aThis 15N isotope study was set up to study the effect of slow-release fertilizers on the performance of rubber seedlings and their effectiveness in nutrient uptake by rubber seedlings. The five fertilizers evaluated were four slow-release fertilizers, viz: Agroblen, Best Tab, Kokei Nugget and Nurseryace, and one conventional chemical fertilizer, viz: Nitrophoska Yellow. The evaluation of experimental results at 180 days after planting showed that Best Tab is the best slow-release fertilizer. Best Tab gave the highest values of diameter, height, dry weight, total uptake of N, P, K and Mg, fertilizer nitrogen yield, and fertilizer utilization efficiency. Meanwhile, Nitrophoska Yellow gave the lowest values of fertilizer nitrogen yield and fertilizer utilization efficiency as well as total nutrient uptake.
650 _aFertilizer
650 _aHevea brasiliensis
700 _aAbd. Hamid Sharifuddin Hj
942 _cJS
999 _c58413
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