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PERTUMBUHAN DAN HASIL TANAMAN KEDELAI TERHADAP KOMBINASI PUPUK ANORGANIK DAN POC KEONG MAS (Glycine max L.) Rudi Wardana; Dini Arij Nabila; Tirto Wahyu Widodo; Liliek Dwi Soelaksini
Jurnal Javanica Vol. 3 No. 2 (2024): Jurnal Terapan Agribisnis
Publisher : Politeknik Negeri Banyuwangi Jl. Raya Jember km. 13 Labanasem, Kabat, Banyuwangi, Jawa Timur (68461) Telp. (0333) 636780

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57203/javanica.v3i2.24.77-86

Abstract

Produksi kedelai di Indonesia hingga saat ini belum mampu mencukupi kebutuhan masyarakat Indonesia. Rerata kebutuhan kedelai secara nasional mencapai 3,4-3,6 juta ton pertahun, sedangkan produksinya hanya 20%-30% dari kebutuhan tersebut. Berdasarkan hal tersebut perlu adanya upaya untuk meningkatkan produksi tanaman kedelai yaitu dengan cara pemberian POC keong mas. Penelitian ini bertujuan untuk mengkaji pengaruh pemberian kombinasi pupuk anorganik dan POC keong mas terhadap pertumbuhan dan hasil tanaman kedelai. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) Non faktorial yang terdiri atas 7 perlakuan yaitu tanpa POC (100% pupuk anorganik), konsentrasi POC 250 ml/l +50% anorganik, 300 ml/l+50% anorganik, 350 ml/l +50% anorganik, 400 ml/l +50% anorganik, 450 ml/l+50% anorganik dan 500 ml /l+50% anorganik. Sebanyak 4 kali ulangan. Hasil penelitian menunjukkan bahwa konsentrasi POC 500 ml/l+50% anorganik menunjukkan hasil tertinggi pada tinggi tanaman, jumah cabang produktif, berat biomassa tanaman kedelai, jumlah polong persampel, berat segar polong persampel, berat kering polong persampel dan berat kering biji persampel.
APLIKASI NUTRISI ABC MIX DAN GA3 PADA SISTEM TANAM SOILLESS PADI MERAH Annisa' Dyah amiril laksita; Tirto Wahyu Widodo; Ilham Muhklisin; Mahindra Dewi Nur Aisyah; Ahya Ibadina Syahida; Epi Nindia Pustika Ningtias
Jurnal Penelitian Pertanian Terapan Vol 26 No 2 (2026)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v26i2.4353

Abstract

The use of AB mix as a nutrient in soilless rice cultivation actually prolongs the vegetative phase which results in late flowering and suboptimal grain filling. This study aims to examine the effect of ABC Mix (AB Mix + silica) and gibberellin nutrients on flowering age, growth, and yield of red rice in a soilless cultivation system. This experiment was designed using a split plot design, where ABC mix nutrients were the main plot while gibberellins were the subplots and replicated three times. The concentration of ABC Mix nutrients consisted of 4 levels, namely 750-800 ppm, 1000-1050 ppm, 1250-1300 ppm, and 1500-1550 ppm, while the concentration of gibberellins consisted of 2 levels, namely 0 ppm (control) and 200 ppm. The results showed that there was a significant interaction between the ABC Mix 750-800 ppm and GA3 200 ppm treatments on plant height (192.0 cm). The single treatment of GA3 200 ppm showed a significant effect on plant height (192.0 cm), while the ABC Mix treatment of 750-800 ppm showed a significant effect on the total number of tillers (60.03 stems), the number of productive tillers (23.03 stems), panicle length (55.42 cm), and plant height (192.0 cm). However, the addition of silica to the AB Mix (ABC Mix) and the applied GA3 was not able to accelerate the flowering phase, where the flowering time was still above 80 days after planting. This was suspected to be due to the inappropriate timing of GA3 application, while the activation of the flower meristem gene takes about 5 days after GA3 application. The inaccuracy in the timing of GA3 application actually resulted in the growth of gigas plants (twice as much as normal plants) and a low number of productive tillers (±38% of the total number of tillers).