ABSTRAK.Teknik perbenihan perlu diperhatikan untuk mendapatkan benih wortel bermutu. Hal ini terjadi dikarenakan oleh teknik perbenihan / pemilihan umbella sebagai sumber bibit kurang tepat. Penelitian bertujuan untuk meningkatkan produksi dan mutu benih wortel melalui perlakuan pemangkasan cabang dan pemberian pupuk boron. Penelitian dilakukan pada bulan JanuariMei 2014 di Kebun Percobaan Berastagi, dengan ketinggian ± 1.340 m dpl, jenis tanah Andisol. Rancangan yang digunakan adalah rancangan acak kelompok faktorial dengan tiga ulangan, di mana faktor 1= teknik pemangkasan (P 0 = tanpa pemangkasan, P 1 = pemangkasan cabang tersier, P 2 = pemangkasan cabang primer dan tersier) dan faktor 2 = dosis pupuk boron (Bo = 0, B1 = 5 kg/ ha, B2 = 10 kg/ha, dan B3 = 15 kg/ha). Hasil penelitian menunjukkan bahwa pemangkasan cabang tersier pada perbenihan wortel dapat meningkatkan jumlah cabang sekunder 15,12 -23,91%, diameter cabang sekunder 17,87 -19,97%, bobot kotor benih 66,87 -70,62%, bobot bersih benih 62,85 -70,62%, dan menurunkan persentase benih hampa 32,82 -44,52%. Pemberian pupuk boron dengan dosis 15 kg/ha dapat meningkatkan jumlah cabang sekunder 60,89%, bobot kotor benih 59,85%, bobot bersih benih 67,68%, dan menurunkan persentase benih hampa ±58,32% dibanding tanpa pemberian boron. Persentase tumbuh benih dapat ditingkatkan (49,28 -51,89%) dengan perlakuan pemangkasan cabang tersier dan pemberian pupuk boron 5-10 kg/ha. Kata kunci: Daucus carota; Pemangkasan cabang; Pupuk boron ABSTRACT. Seeding techniques need considered to get a quality carrot seeds. This occurs due to the seeding technique/umbella election as seed sources are less precise. This study aims to improve the production and quality of carrot seeds by treatment branch pruning and fertilizer application boron. The study was conducted from January to May 2014 in Berastagi Experimental Gardens, with an altitude of ± 1,340 m asl, Andisol soil type. The design used was a factorial randomized block design with three replications. Factor 1: pruning techniques (P 0 = without pruning, P 1 = pruning tertiary branches, P 2 = pruning primary and tertiary branches) and factor 2 = dose boron fertilizer (Bo = 0, B 1 = 5 kg/ha, B 2 = 10 kg/ha and B 3 = 15 kg/ha). The results show that tertiary branch pruning can increase the number of secondary branches 15.12-23.91%, the diameter of the secondary branch 17.87-19.97%, gross weight of seed 66.87-70.62%, net weight of seed 62.85-70.62% and reduced the percentage of empty seed 32.82-44.52%, boron fertilizer with a dose of 15 kg/ha can increase the number of secondary branches of 60.89, 59.85% seed gross weight, net weight of seeds of 67.68%, and reduced the percentage of empty seed ± 58.32% than without boron. The percentage of good growing seed can be improved ha (49.28-51.89%) by tertiary branch pruning and fertilizer application 5 to 10 kg/ha.
No abstract
Penggunaan pupuk organik sebagai alternatif pengganti pupuk anorganik dapat mengurangi pencemaran lingkungan. Tujuan dari penelitian ini adalah mengetahui pengaruh jenis dan konsentrasi pupuk organik cair (POC) terhadap pertumbuhan dan hasil brokoli (Brassica oleracea). Penelitian dilaksanakan di IP2TP Berastagi pada bulan Mei sampai dengan September 2020. Penelitian menggunakan Rancangan Acak Kelompok (RAK) dengan 3 kali ulangan dan 10 perlakuan. Perlakuan yang diuji adalah sebagai berikut: A: tanpa POC (Kontrol), B: POC kotciplus 10 ml/L, C: POC kotciplus 20 ml/L D: POC kotciplus 30 ml/L, E: POC kipait 10 ml/L, F: POC kipait 20 ml/L, G: POC kipait 30 ml/L, H: POC limbah buah 10 ml/L, I: POC limbah buah 20 ml/L, J: POC limbah buah 30 ml/L. Hasil penelitian menunjukkan bahwa POC yang terbaik adalah POC kotciplus. POC kotciplus 20 ml/L, dan POC kotciplus 30 ml/L menunjukkan diameter kanopi terlebar yaitu masing-masing (52,35 cm dan 51,71 cm). Pemberian POC kotciplus 30 ml/L mampu meningkatkan hasil brokoli dilihat dari diameter bunga, bobot bunga per tanaman, bobot kuntum dan bobot bunga per plot.
Red beans (Phaseolus vulgaris L.) or jogo beans are in great demand by the public, because of their good nutritional value and can be made in various dishes. Low-cost agriculture can be carried out through an environmentally friendly agricultural system by utilizing local natural materials around the location such as kipait, rabbit manure, fish fertilizer, vegetable and fruit waste without reducing the quality and quantity of vegetables. This study aims to determine the increase in growth and yield of kidney beans (Phaseolus Vulgaris L) through the application of Liquid Organic Fertilizer (LOF) based on local resources. This research was conducted in the IP2TP Berastagi garden, Karo Regency, with an altitude of ± 1340 meters above sea level, andisol soil types. This research was carried out from May to September 2020. The design used in this study was a Randomized Block Design (RBD) with 3 replications and 10 treatments, namely: A=Without LOF (Control), B=Kotciplus LOF, 10 ml / l water, C=LOF Kotciplus, 20 ml / l water, D=LOF Kotciplus, 30 ml / l water, E=LOF Kipait, 10 ml / l water, F=LOF Kipait, 20 ml / l water, G=LOFKipait , 30 ml / l water, H=LOF Market Waste, 10 ml / l water, I=LOF Market Waste, 20 ml / l water, J=LOF Market Waste, 30 ml / l water. The results showed that the application of several types and concentrations of POC on kidney beans did not have a significant effect on growth or yield. However, there was a tendency that in general the plants treated with POC showed a higher yield compared to the yields of plants that were not given POC. Likewise, for each type of POC the higher the concentration the higher the yield.
<p>Pola tanam tumpang sari merupakan salah satu cara untuk meningkatkan efisiensi penggunaan lahan sekaligus meningkatkan pendapatan, melalui usaha penanaman beberapa jenis tanaman pada lahan dan waktu yang sama. Cabai merah merupakan komoditas sayuran yang memiliki nilai permintaan yang tinggi di masyarakat Indonesia, demikian juga dengan tanaman kentang, bawang merah, dan buncis. Penelitian bertujuan untuk mengkaji efisiensi penggunaan lahan sistem tanam monokultur dan tumpang sari dengan kentang, bawang merah, dan buncis tegak. Penelitian dilakukan di Kebun Percobaan Berastagi dengan ketinggian tempat 1.340 m dpl dan jenis tanah Andisol. Penelitian dilaksanakan pada bulan Juni hingga Desember 2015. Rancangan yang digunakan adalah rancangan acak kelompok (RAK) yang terdiri atas enam perlakuan dengan empat ulangan. Perlakuan yang diuji adalah : (a) sistem tanam tumpang sari cabai merah + (kentang + bawang merah); (b) sistem tanam tumpang sari cabai merah + buncis tegak; (c) sistem tanam tumpang sari cabai merah + kentang; (d) sistem tanam tumpang sari cabai merah + bawang merah, (e) sistem tanam tumpang sari cabai merah + (buncis tegak + bawang merah); dan (f) sistem tanam cabai monokultur. Hasil penelitian menunjukkan bahwa pertumbuhan vegetatif tanaman tumpang sari cabai merah tidak berbeda nyata dengan monokultur. Sistem tanam monokultur lebih tinggi dari tumpang sari, yaitu 21,53 kg/20 m2. Nilai kesetaraan lahan pola tanam tumpang sari cabai merah lebih besar dari 1 dan yang tertinggi adalah tumpang sari cabai merah dengan buncis tegak, yaitu 1,48. Tumpang sari cabai merah dengan bawang merah dan buncis menghasilkan keuntungan bersih yang lebih tinggi dari pola tanam monokultur dan tumpang sari lainnya, yaitu Rp191.408,00/20m2. Usahatani tumpang sari cabai dengan kentang dan bawang merah merupakan usahatani yang paling menguntungkan terutama apabila dibandingkan dengan monokultur.</p><p><strong>Keywords</strong></p><p>Capsicum annum L; Tumpang sari; Solanum tuberosum L.; <em>Allium cepa</em> L; <em>Phaseolus vulgaris</em> L</p><p><strong>Abstract</strong></p><p>Intercropping system is one way to improve the efficiency of land use through the efforts of the planting of crops on the land and the same time. Hot pepper is a vegetable commodity that has value in high demand in Indonesian society, so we need to research that aims to assess the efficiency of land use with monoculture and intercropping system hot pepper with beans, potatoes and shallot. The study was conducted in Berastagi Experimental Garden with less altitude of 1,340 m above sea level and type of soil Andisol. The research was conducted from June to December 2015. The design used was a randomized block design (RAK) nonfactorial with four replications. The treatments tested were: (a) intercropping system hot pepper + (potato + shallot); (b) intercropping system hot pepper + beans; (c) intercropping system hot pepper + potato; (d) intercropping system hot pepper + shallot; (e) intercropping system hot pepper + (beans + shallot);( f) monoculture. The results showed that: Hot pepper intercropping plant vegetative growth was not significantly different with monoculture. Generative growth of hot pepper intercropping is significant different than monocultures, where the monoculture of hot pepper produce higher yields 21.53 kg / 20 m2. Land equivalent ratio of hot pepper intercropping system is greater than one and the highest intercropping hot pepper with beans, 1.48. Hot pepper intercropping with shallot produce a higher net profit than monoculture and another intercropping, Rp191 408,00 / 20m2. Intercropping hot pepper with potato and shallot is the most profitable farming, especially when compared to monoculture.</p>
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