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SKRIPSI PENGARUH DOSIS PUPUK KALIUM DAN JARAK TANAM TERHADAP HASIL TANAMAN JAHE (Zingiber officineale ROSC)
ABSTRACT
The Research was to aim is know the effect of potassium (ZK) done and plant distance to the yield of ginger (Zingiber officinale ROSC) gajah varity.
The Research was carried out since Decunber 13th 1990 until April 2th 1991, it's located in rice field area at Candirejo, Tuntang, Semarang district, Central Java province. The soil type is Latosol, on altitude of 630 m above sea level with pH 5,8.
The Research used factorial metode with Randomized Completely Block Design (ABCD) consist of two treatment factors.
The first factor the ZK dose (D) four levels, they are:
Do 0 kg/ha D2= 200 kg/ha
D₁ = 100 kg/ha D3=300 kg/ha
The second fastor the plant distance consist of three levela (J), they are:
J1= plant distance 40 x 30 cm
J2 = plant distance 40 x 40 cm
J3= plant distance 40 x 50 cm
Each treatment was replicated three times.
The Research indicated that the treatmans of Potassium (ZK) dose are highly significant influence upon the fresh weight of taber par-hill, dry weight of tuber per hill, fresh weight of straw per-hill,
The plant distance highly significant efek on the plant of height, dry weight of tuber per-hill, but significant influence to fresh weight of tuber per-hill and harvest index.
Interaction of Potassium (ZK) dose and plant distance in this experiment has not significant for all parametere obaerved.
The haighest of dry weight of tuber per-hill was re- sched by combination Potaeniun (2K) dose 200 kg/ha with plant distance 40 x 40 cm, the lowest was kombination Potassium (ZK) done 0 kg/ha with plant distance 40 x 50 cm.
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