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SKRIPSI PENGARUH JARAK TANAM DAN FREKUENSI PENYIANGAN TERHADAP HASIL KEDELAI ( Glycine max, (L) Merrill)
ABSTRACT
The experiment of the effect of planting distance
and weeding frequency on Soybean yield (Glycine max, (L)
Merrill). The experiment has been conducted at develop-
ment Centre Garden of Palawija Central Java, Soropadan,
Pringsurat district, Temanggung regency, since March
17th 1986 to June 22th metres altitude, pH 4,7. 1986. Soil type is Latosol, 550
The research method was factorial design, which was
design according to the Randomized Complete Block Design
(RCBD), consists of two main factors with three replica-
tion. The first treatment was planting distance (J), in
three degrees, is planting distance 20 cm x 20 cm (J4),
planting distance 25 cm x 20 cm (J2), planting distance
30 cm x 20 cm (J3). The second treatment was weeding (P)
in four degrees, is non weeding (PO), weeding 1 time at
age of 15 days after planting (P₁), weeding 2 time at
age of 15, 30 days after planting (P2), weeding 3 time
at age of 15, 30 and 60 days after planting (P3).
The concluded of experiment to show that the planting
distance treatment was very significant to the height of
plant, fresh weight of weed, dry weight of weed, Was
significant to the number of unfilled pods per plant,
number of filled pods per plant. The weeding treatment
was very significant to the dry weight of seeds, fresh
weight of straws, fresh weight of weed, dry weight of
weed, was significant to the dry weight of straws. of And
interaction planting distance and weeding factors was sig-
nificant to the height of plant, fresh weight of weed.
Highest yield of weight of dry seed per plant on
planting distance treatment 25 cm x 20 cm and weeding two
time at age of 15 and 30 days after planting (J2P2) with
weight 7.37 g and lowest yield on planting distance
treatment 20 cm x 20 cm and non weeding (JPO) with weight
4,9 g.
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