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SKRIPSI PENGARUH MACAM VARIETAS DAN DOSIS PUPUK NPK TERHADAP HASIL TANAMAN PETSAI (Brassica Pekinensis L.)
ABSTRACT
The research concerning the effect of kinds of variety and NPK dose to yi yield of mustard (Brassica pekinensis L.) is to study the best kind of variety and the most appropiate NPK dose to yield of mustard.
The research was done in a plastic house in Potrobangsan village, North Magelang District, Magelang Regency, Central of Java with an altitude of 367 above sea level. Kind of soil is latosol, soil pH 6.0. The research was begun on Nopember 21st three replications, 1995, January 11, 1996.
The research uses factorial (3x3) experiment in split design with randomized complete block design (RCBD) consist of three replications. The first factor is kind of variety (Sanghai, Granat and Talaud). The second factor is NPK dose (15-15-15) (300, 400 and 500 kg/ha).
The result of the research shows that kinds of variety give very significant respons to plant height, number of leaves, fresh weight per plant for comsumption and fresh weight of Straw, but the respon is regular to dry weight per plant and dry weight of straw per plant.
NPK fertilizer 15-15-15 gives very significant effect for all observed parameters.
The treatment of NPK dose 15-15-15 400 kg/ha on variety Sanghai, indicates the heightest mustard weight for consumtion per plant with average weight 327,90 g.
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