CD Skripsi
Pengaruh Pemberian Petrhikaphos Dan Pupuk Fosfor Terhadap Pertumbuhan Dan Produksi Tanaman Kedelai (Glycine Max (L.) Merril)
This study aims to determine the effect of the interaction between the
administration of petrhikaphos and phosphorus fertilizer, the single factor of
petrhikaphos and phosphorus fertilizer and to get the best dose of petrhikaphos
and phosphorus fertilizer on the growth and production of soybean plants
(Glycine max (L.) Merril). This research is a factorial experiment arranged
according to a Completely Randomized Design (CRD) consisting of two factors.
The first factor is the Petrhikaphos Dose (P) which consists of 3 levels, namely:
P1 = 12.5 g.kg-1 soybean seeds, P2 = 25 g.kg-1 soybean seeds, and P3 = 37.5 g.kg-
1 soybean seed. The second factor is the dose of phosphorus fertilizer (F) which
consists of 4 levels, namely: F1 = 0 kg.ha-1, F2 = 50 kg.ha-1, F3 = 100 kg.ha-1, and
F4 = 150 kg.ha -1. From these two treatment factors, 12 treatment combinations
were obtained and each treatment combination was repeated three times so that
there were 36 experimental units. Data obtained from observations were
statistically analyzed using variance and further testing using Duncan's multiple
range test at 5% level. The parameters observed were plant height, number of
branches, number of pods per plant, number of seeds per plant, weight of seeds
per plant, weight of 100 seeds. Based on the results of the research that has been
carried out it can be concluded that there is an interaction between the
administration of pethrikaphos with phosphorus fertilizer on all observed
parameters except on number of branches. Giving pethrikaphos 25 g.kg-1 seed
showed the best results on all observed parameters. The application of 50 kg.ha-1
phosphorus fertilizer showed the best results on all observed parameters except
the number of branches. Giving Pethrikaphos 25 g.kg-1 seed with 50 kg.ha-1
phosphorus fertilizer is the dose that shows the best results compared to other
treatments.
Keywords: soybean, pethrikaphos, phosphorus, growth and production
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