PENGARUH PEMBERIAN DOSIS DAN BENTUK PUPUK NPK MAJEMUK TERHADAP PERTUMBUHAN DAN HASIL BENIH KENTANG (Solanum tuberosum L.)GENERASI SATU (G1)VARIETAS GRANOLA

Deden, Fatchullah (2016) PENGARUH PEMBERIAN DOSIS DAN BENTUK PUPUK NPK MAJEMUK TERHADAP PERTUMBUHAN DAN HASIL BENIH KENTANG (Solanum tuberosum L.)GENERASI SATU (G1)VARIETAS GRANOLA. PROSIDING SEMNAS PERTANIAN 2016.

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Abstract

The experiment was conducted in Screen House of Indonesian Institute for Vegetables Research in September to Desember 2015. The purpose of this experiment was to get the best dosage and form of NPK (granules or liquid) on growth and seed yield of potato (Solanum tuberosum L.), first generation (G1) Granola varieties.The method used was randomized block design (RBD) factorial with 8 treatments and 4 replications. The first factor was form NPK with two level: P1( granules) and P2 (liquid) and second factor was dosage NPK compound with five level, D1 (0.5 gr/plant), D2 (1.0 gr/plant), D3 (1.5 gr/plant), D4 (2.0 gr/plant). The result showed that there were not interaction between dosage and form of fertilizer of NPK compound on all variables observed. The individual effect of NPK compound dosage was significant by on plant height and seed yield of potatos (Solanum tuberosum L.)Generation one (G1) Granola variety. The highest of plant heigh 53.95 cm in 42 day old was obtained by treatment P2 (liquid) until the highest seed yield. The individual effect of fertilizer dosage of 407.22 gr/ plot was obtained by treatment P2 (liquid)and the form of liquid. The individual effect of form of liquid NPK compound fertilizer the highest of seed yield 538.17 gr/plot was obtained by treatment D4 (2.0 gr/plant).

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