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040 _cNVSU
100 _aAquino, Honorio N.
245 _aEffects of fertilizer treatments on the growth performance of para rubber (hevea braziliensis muell. Arg.) saplings under agroforestry condition in Dumabel, Aglipay, Quirino, Philippines/
_cHonorio N. Aquino
260 _aBayombong:
_bNueva Vizcaya State University,
_c2016.
300 _axiii, 75 leaves :
_bphotos ;
_c28 cm.
500 _a The study sought to determine the effects of fertilizer on growth performance of Para rubber (Hevea brasiliensis) saplings planted in NGP-Agroforestry site in Dumabel, Aglipay, Quirino, Philippines. The growth performance was observed using the following parameters: height and diameter increments, crown diameter and number of leaves. The statistical analysis indicated that there were significant differences in height and diameter increments. Direct influences of fertilizer on crown expansion and leaf production are unclear. In light of agroforestry system influences, the inherent biophysical factors in the agroforestry site may have contributed to the performance of the rubber saplings. However, the condition of the study area is still at its incipient stages and so the effect of vegetation, soil changes and microclimate are yet to be quantified better. In all, the results of the study reflect those fertilizers are essential input to growing rubber trees in once-degraded areas. Lastly, Treatment 6, N₂PK (8 grams of Urea, plus 12 grams of Superphosphate and 6 grams of Potassium Chloride) is the optimum fertilizer treatment for the Para rubber saplings which gives the highest diameter and height increment of 2.1 cm and 0.85 m respectively, within six (6) months period.
500 _aThesis (Master of Science in Forestry - Forest Resources Management)
504 _aIncludes appendix and bibliographical references.
942 _2ddc
_cTH
_n0
999 _c74
_d74