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SKRIPSI PENGARUH DOSIS PEMUPUKAN (KCL) TERHADAP HASIL TANAMAN JAHE VARIETAS GAJAH (Zingiber officinale ROSC)
ABSTRACT
The experiment on the effect of potash fertilizer do- se (Cl) toward the result of elephant variety ginger plant (Zingiber officinale POSC) had been carried out in Drojogan Dejosari village, Pandongan district, Magelang regency, Contral Java province on January 1989 until May 1989. The soil type is Latosol with pl 5,5-6 on altitude 431 meter of sea level.
The experiment using the Pandomized Complete Plock Design (RCED) with factorial it consist of eight treatment combinations and four replications.
The treatment are:
Ko : nonfertilizer potash
K1 : fertiliser 701 50 kg/ha
K2: fertilizer FC1 100 kg/ha
K3 :fertilizer RC1 150 kg/ha
K4 :fertilizer KC1 200 kg/ha
K5 :fertilizer FC1 250 kg/ha
K6 :fertilizer RC1 300 kg/ha
K7 :fertiliser #01 350 kg/ha
The observation is committed toward the weight of tu- ber per-plant, dry weight of tuber per-plot, fresh weight of straw, dry weight of straw and harvont indox.
The result of experiment shows that the potash ferti- lizer is high significantly to the weight of tuber plant, and weight of tuber per plot and gave the significantly
to the harvest index. Vet were not significantly to the fresh weight of straw and dry weight of straw.
The highest weight of tuber per plant was achived by the combination factorial with the 250 kg KCl done per hec- tare, but the influence is inclined indifferent significan- tly with the other treatment. a sure limit potash fertilizing would be raise the result.
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