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DESI AGIL PUTRI HAPSARI

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Abstrak (Bhs. Indonesia)

Penelitian ini bertujuan untuk 1) Mengetahui pengaruh komposisi pupuk majemuk NPK-ZEO Granul terhadap serapan N dan pertumbuhan bawang merah (Allium ascalonicum L.) pada Ultisols, 2) mengetahui komposisi pupuk majemuk NPK-ZEO Granul yang paling baik pengaruhnya terhadap serapan N dan pertumbuhan tanaman bawang merah (Allium ascalonicum L.)  pada Ultisols, 3) mengetahui pengaruh pupuk organik terhadap serapan N dan pertumbuhan bawang merah (Allium ascalonicum L.) pada Ultisols, 4) mengetahui adanya pengaruh interaksi antara pupuk majemuk NPK-ZEO Granul dengan pupuk organik terhadap serapan N dan pertumbuhan bawang merah (Allium ascalonicum L.) pada Ultisols. 
Penelitian dilaksanaan di screen house fakultas Pertanian Universitas Jenderal Soedirman Purwokerto, serta di Laboratorium Tanah dan Laboratorium Agronomi dan Hortikultura. Peneltian ini dilaksanakan pada 6 September 2019 sampai 18 Maret 2020. Rancangan percobaan yang digunakan yaitu Rancangan Acak Kelompok Lengkap dengan 2 perlakuan yaitu pupuk majemuk NPK Zeo Granul dan pupuk organik. Faktor dikombinasikan, diperoleh 6x2 perlakuan sehingga didapatkan 12 kombinasi perlakuan. Variabel yang diamati adalah serapan N, tinggi tanaman, jumlah daun, jumlah anakan, kandungan klorofil, bobot umbi basah, bobot umbi kering dan bobot tanaman segar.
Hasil Penelitian menunjukkan bahwa tidak terdapat pengaruh yang nyata pada perlakuan pupuk majemuk NPK Zeo Granul terhadap serapan N dan pertumbuhan bawang merah kecuali pada jumlah anakan. Pada variabel pertumbuhan komposisi pupuk majemuk NPK Zeo Granul meningkatkan jumlah anakan dengan hasil rata – rata tertinggi 5,39 pada komposisi M4. Pupuk organik memberikan pengaruh yang sangat nyata terhadap serapan N dengan rata – rata 1.265,51 mg/tan.  Pupuk organik meningkatkan tinggi tanaman sebesar 36,38 cm. Pupuk organik meningkatkan jumlah daun sebesar 9,98 helai, bobot umbi basah 10,41 g, bobot umbi kering 1,41 g dan bobot tanaman segar 12,74 g. Interaksi antara kedua perlakuan tidak berpengaruh nyata terhadap semua variabel pengamatan.

Abtrak (Bhs. Inggris)

ABSTRACT

This study aims to 1) Determine the effect of NPK-ZEO Granule compound fertilizer on N uptake and growth of shallots (Allium ascalonicum L.) on Ultisols, 2) determine the composition of NPK-ZEO Granule compound fertilizer which has the best effect on N uptake and growth onion plants (Allium ascalonicum L.) on Ultisols, 3) determine the effect of organic fertilizers on N uptake and growth of shallot (Allium ascalonicum L.) plants on Ultisols, 4) know the influence of the interaction between NPK-ZEO Granule compound fertilizer with organic fertilizer on N uptake and growth of onion (Allium ascalonicum L.) on Ultisols. 
The research was conducted at the screen house of the Faculty of Agriculture of Jenderal Soedirman University in Purwokerto, as well as in the Soil Laboratory and the Agronomy and Horticulture Laboratory. This research was conducted from 6 September to 18 March 2020. The experimental design used was a Randomized Complete Group Design with 2 treatments, namely NPK Zeo Granul compound fertilizer and organic fertilizer. Combined factors, obtained 6x2 treatments so that 12 treatment combinations were obtained. The observed variables were N uptake, plant height, number of leaves, number of tillers, chlorophyll content, bulb wet weight, bulb  dry weight and plant wet weight. 
The results showed that there was no significant effect on the treatment of NPK Zeo Granul compound fertilizer on N uptake and onion growth except for the number of tillers. In the growth variable of the NPK Zeo Granul compound fertilizer composition increased the number of tillers with the highest average yield of 5.39 on the composition of M4. Organic fertilizers had a very significant effect on N uptake with an average of 1,265.51 mg / plant. Organic fertilizers increase plant height by 36.38 cm. Organic fertilizers increased the number of leaves by 9.98, 10.41 g of bulb wet weight, 1.41 g of bulb  dry weight and 12.74 g of fresh plant weight. The interaction between the two treatments did not significantly affect all the observed variables.

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