PENGARUH JARAK TANAM DAN DOSIS PUPUK NPK TERHADAP PERTUMBUHAN DAN HASIL JAGUNG MANIS (Zea mays saccharata, Sturt)

Abstrak

The Research is proposed to determine the effect of planting time and dose fertilizer NPK on the growth and yield of seet corn. The research started from July – September 2011, in Village Slatri, Larangan, Brebes Central Java, with altitude 25 m above sea level, alluvial soil type. The research was used factorial in Randomized completely block design (RCBD) with 9 combinations and 3 replications. The treatment is J₁P₁; Planting time 70 x 20 cm with a dose of 100 kg NPK / ha, J₁P₂; Planting time 70 x 20 cm with a dose of NPK fertilizer 200 kg / ha, J₁P₃; Planting time 70 x 20 cm with a dose of NPK fertilizer 300 kg / ha, J₂P₁; Planting time 70 x 30 cm with a dose of NPK fertilizer 100 kg / ha, J₂P₂; Planting time 70 x 30 cm with a dose of NPK fertilizer 200 kg / ha, J₂P₃; Planting time 70 x 40 cm with a dose of NPK fertilizer 300 kg / ha, J₃P₁; Planting time 70 x 40 cm with a dose of NPK fertilizer 100 kg / ha, J₃P₂; Planting time 70 x 40 cm with a dose of NPK fertilizer 200 kg / ha, J₃P₃; Planting time 70 x 40 cm with a dose of fertilizer 300 kg NPK / ha. The results showed that the Planting time of 70 x 40 cm and the use of NPK fertilizer gave the best growth compared with other treatments.