Abstract
The research effects of liquid calcium fertilizers on the growing and producing of potatoes (Solanum tuberosum L.) had properly done. The research was carried out on Lau Gumba Village, Berastagi Sub-district, Karo Regency, North Sumatra, December 2018- May 2019. Randomize Block Design with two factors i.e. Faktor I: Concentration of “BF” fertilizer, B0: control, B1: 2, 5 ml/96 ml of water, B2: 5 ml/ 96 ml of water, B3: 7, 5 ml/ 96 ml of water. Factor II: concentration of “BC” fertilizer, C0: control, C1: 1 ml/ 96 ml of water, C2: 2 ml/ 96 ml of water, C3: 3 ml/ 96 ml of water. The results of the study show that the concentration of the liquid calcium fertilizer had significantly impact (p < 0.05) to the growing and the production of tubers. The concentration of B3 (7,5 ml/96 ml of water) and C3 (3 ml/96 ml of water) had highest score 39.4 cm of plants’ height, The concentration of B3 (7, 5 ml/96 ml of water) and C3 (3 ml/96 ml of water) had significant impact to tubers’ weight.
Highlights
The research effects of liquid calcium fertilizers on the growing and producing of potatoes (Solanum tuberosum L.) had properly done
Root zone calcium modulates the response of potato plants to heat stress
Evidence for the existence of functional roots on potato tubers and stolons: Significance of water transport to the tubers
Summary
Tanaman perkebunan, tanaman pangan dan ternak dihasilkan di lahan pegunungan. Untuk mengetahui pengaruh positif dari pupuk cair kalsium “BF” dan “BC” terhadap pertumbuhan dan produksi tanaman kentang (Solanum tuberosum L.) 2. Hasil penelitian ini membuktikan bahwa pupuk kalsium “BF” dan “BC” dapat digunakan untuk budidaya tanaman kentang termasuk untuk mempercepat pertumbuhan. Nasren dan A Abdelhady (2015), melakukan penelitian di daerah Deta Nile, Mesir, untuk mengetahui efek kalsium dan potasium pada pertumbuhan dan hasil tanaman kentang dan menemukan bahwa rata-rata berat umbi yaitu 158,70 g dan terendah 124,87 g. Karamina & Fikrinda (2016) melakukan penelitian tanaman kentang dengan menggunakan pupuk cair organik, diperoleh hasil berat umbi tertinggi 725,77 g, dan terendah 77,93 g. Produksi berat umbi menggunakan pupuk kalsium nitrat juga berbeda, meningkat secara signifikan (P ≤ 0,01) di atas kontrol (T1) dan perbedaan di sini secara signifikan (P ≤ 0,01) ditemukan pada suatu perlakuan dibandingkan dengan peerlakuan lainnya. Ukuran diameter umbi tertinggi pada B1 (2,5 ml/96 ml air) < 3 cm dan terendah B0 (kontrol)
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