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SKRIPSI PENGKAJIAN КEТEРATAN DOSIS PUPUK NPK KOMODITAS PADI (Oryza sativa L.) DI KECAMATAN SECANG
ABSTRACT
A study of NPK fertilizer dose accuracy on rice (Oryza sativa, L.) at Secang District, Magelang Regency, had been done since June 24th until September 22th, 2003 in Madusari Village, Secang District, Magelang Regency. The altitude is 430 m, soil kind is alfisol and pH is 6,19.
The method of experiment is factorial (3x2x3) with completely randomized block design and three replications. The first factor is urea dose: 200; 250 and 300 kg/ha. The second factor is SP36 dose: 20 and 45 kg/ha. The third factor is KCl dose: 85, 130 and 175 kg/ha.
The result shows that urea dose between 250-270 kg/ha is able to increase plant height, number of productive per hill, weight of dry rice grain per hill, number of rice grain per panicle, yield per square meter and weight of 1000 dry rice grain. SP36 dose until 45 kg/ha still shows increasing plant height, number of productive per hill, weight of dry rice grain per hill, number of rice grain per panicle, yield per square meter and weight of 1000 dry rice grain. KCl dose between 130-150 kg/ha is able to increases number of productive tillers per hill, weight of dry rice grain per hill and yield per square meter. Urea, SP36 and KCl compoundingly is able to increase the yield per square meter. Using urea at 253,57 kg/ha, SP36 45 kg/ha and KCl 130 kg/ha dose gives the best yield of rice.
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