CD Skripsi
Respon Dan Efisiensi Pupuk Fosfor (P) Pada Beberapa Galur Kedelai (Glycine Max L. Merrill)
Soybean is one of the commodity priorities in the agricultural revitalization
program, announced by Indonesian government in 2005 to increase soybean
production. Fertilization is one of the cultural practices that are expected to give
important contribution in increasing soybean production. Phosphor fertilizer is
needed in cultivation of soybean plants to obtain optimal yield The objective of
this study are to determine the ftrti/izer P use efficiency in several strains of
soybean and it's their response. The research was conducted in the Bola Be nih
Utama (BBU), Pasir Pangarayan, Dalu-Dalu Village, District of Rokan Hulu. The
research was conducted over four months from September 2009 until February
2010. The research was conducted using randomized block design consisting of
two factors. Thefirstfactor is the genotype of soybean (G) ie: line ED 13, 14 DD,
19 BE, 25 EC, 11 AB. The second factor is the rate of phosphorus fertilizer in
fourt, namely: Without Fertilizer P 0 kg I ha, 25 kg TSP I ha (9.2 g P20sl plot}, 50
kg TSP I ha (18.4 g P20sl plot), 75 kg TSP I ha (27.6 g P20sl plot). The results of
this study indicated that, in general application of phosphorus ftrtilizer at all
rates were no significant ejfoct to the growth and yield components of soybean
plants. In addition line 13 ED, 14 DD, 19 BE, and 25 EC were perfomed good
yield component and wru able to give higher number of pods and number of seed
per plant than 11 AB. Fertilizer P was not able to be absorbed efficiently all
genotype ofsoybean.
Keywords: Efficiency, Phosphorus Fertilizer, Soybean
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