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SKRIPSI PENGARUH DOSIS PUPUK P DAN K TERHADAP HASIL BENGKUANG (Pachyrrhizus erosus (L) Mrb)
ABSTRACT
The purpose of this experiment is to know about the influence of dosage P fertilizer and K to the yield of (Pachyrrhizus erosus (L) Mrb), this experiment was cried out Triwarno Village, Kutowinangun District, Kebumen Regency, from March until Jully 1992. The soil type was Podsolik with pH 4,5 the altitude is - 1 3 M above the sea level.
This experiment use the Randomized Completely Block Design (RCBD), arranged in faktorial with two factors and three replication.
This first factor : P fertilizer dose consist three levels
P0: 0 kg/ha (Control)
P1 : 50 kg/ha
P2 : 100 kg/ha
The second factor : K dose consist of four levels
K0 : 0 kg/ha (Control)
K1 : 150 g/ha
K2 : 300 kg/ha
K3 : 450 kg/ha
The result of the experiment showed that the P fertilizer very significant effect on the diametre of tubers,
fresh weight of straw, dry weight of straw, but not significant effect on the number of branches, weight of tubers, number of tubers.
The dosage K very significant effect on the number of tubers, weight of tubers, diametre of tubers, But not-significant effect on number of tubers, weight of tubers, and diametre of tubers. The treatment combination dosage P fertilizer and K fertilizer give significant effect on the diametre of tubers.
The interaction between the dosage P fertilizer and K give significant effect on the diametre of tubers.
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