Agroplantae: Jurnal Ilmiah Terapan Budidaya dan Pengelolaan Tanaman Pertanian dan Perkebunan

PENGARUH KOMBINASI NUTRISI TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SELADA MERAH (Lactuca sativa var. Lollorosa) PADA HIDROPONIK SISTEM WICK

Ridwan Kusuma Wardhana — 2023-08-06

Lettuce is a plant whose leaves are taken to be used as vegetables or salad. The purpose of this study was to obtain a combination of nutrients that can increase the growth and best yield of red lettuce (Lactuca sativa var. Lollorosa) with hydroponic wick system. The research method used in this study was a single-factor Randomized Group Design (RAK) consisting of 7 treatments repeated 4 times. The treatments applied were A (AB Mix 3.2 EC), B (AB Mix 1.5 EC + Bayfolan 6 ml), C (AB Mix 1.8 EC + Bayfolan 3 ml), D (AB Mix 1.2 EC + Bayfolan 9 ml), E (AB Mix 1.5 EC + POC 6 ml), F (AB Mix 1.8 EC + POC 3 ml), and G (AB Mix 1.2 EC + POC 9 ml). Giving a combination of nutrients gives a real effect on the growth and yield of red lettuce plants (Lactuca sativa var. Lollorosa) at the age of 2 weeks after planting, 3 weeks after planting, 4 weeks after planting, 5 weeks after planting. Number of leaves at plant age 3 weeks and 5 weeks. Leaf area, root length, fresh weight of plants with roots, fresh weight of plants without roots. Treatment E, namely AB Mix 1.5 EC + POC 6 ml, gave the highest results on plant height, which was 20.96 cm, root length of 26.94 cm, leaf area of 100 cm2, fresh weight with roots of 13.3 g, and fresh weight without roots of 11.49 g

PENGARUH KONSENTRASI DAN LAMA PERENDAMAN ZPT AUKSIN DALAM MEMPERCEPAT PERTUMBUHAN TUNAS BULBIL PORANG (Amorphophallus muelleri Blume)

Qurrota Ayun Fahra Hasanah — 2023-08-06

The use of growth regulators before planting porang is one way to increase the growth of porang bulbils. The research was conducted with the aim of getting the length of immersion that gives the best effect on each concentration of auxin ZPT in accelerating the growth of bulbil porang (Amorphophallus muelleri Blume) shoots.. The research method used is experimental method using factorial Randomized Group Design (RBD) 4x4, which consists of 16 treatments and repeated 2 times. The first factor is concentration which consists of 4 levels, namely k₀ (control), k₁ (200mg/l), k₂ (300mg/l), and k₃ (300mg/l). The second factor is immersion time which consists of 4 levels, namely l₁ (60 minutes), l₂(120 minutes), l₃ (180 minutes), and l₄ (240 minutes). There is an interactiont between concentration and immersion time on sprouting time, vigor index, and diameter of bulbil porang shoots at 42 and 56 days after planting. The concentration of 200mg/l (k₁) at a immersion time of 180 minutes (l₃) gave the fastest sprouting time of 15.2 days. The concentration of 200mg/l (k₁) at 180 minutes immersion time (l₃) gave the highest vigor index value of 100%. The length of immersion l₄ (240 minutes) at the growth regulator concentration k₁(200mg/l) gave the best bulbil porang shoots diameter of 2.96 mm.

DAYA ADAPTASI PERTUMBUHAN TANAMAN CABAI RAWIT PADA SISTEM AGROFORESTRI TANAMAN KARET

Yulius Budi Prastiyo — 2023-08-18

The growth adaptability of cayenne pepper plant will be greatly influenced by the capacity of growth environment obtained in agroforestry systems or monoculture systems. This research aims to obtain data on the growth adaptability of cayenne pepper plant in rubber plant agroforestry system and compare it with monoculture systems. The research was located in Sumber Sari Village, Sebulu District, Kutai Kartanegara Regency. This research used two planting system treatments (P), it’s monoculture system planting (p1) and rubber plants agroforestry system (p2) with 6 plots as replicates each. The variables measured were plant height, number of leaves, age of plant started flowering. Data were analyzed using Independent Sample t-test with a significant level (α) of 5%. The results showed that the cayenne pepper plant had a plant height increase of 16.03 cm in the rubber plant agroforestry system and 15.37 cm in the monoculture system. The number of leaves of cayenne pepper in the rubber plant agroforestry system was 36 and in monoculture system was 37. The age of cayenne pepper started flowering in rubber agroforestry system was 39 day after transplanting and 35 day after transplanting in monoculture system. This result indicates that cayenne pepper has good adaptability to the rubber plants shade at the age of ≤ 3 years with a canopy cover of 40-60% in agroforestry systems. The growth adaptability of cayenne pepper plant in rubber agroforestry system went well and was able to adapt the same as the monoculture planting system.

PEMANFAATAN LAMPU PERANGKAP UNTUK MENGENDALIKAN POPULASI ULAT BAWANG, Spodoptera exigua HUBNER (Lepidoptera : Noctuidae) PADA PERTANAMAN BAWANG MERAH

Ahdin - Gassa — 2023-08-29

Since ancient times, leeks (Allium cepa L.) have been widely cultivated and consumed by people around the world, the cultivation of shallot plants cannot be separated from the problem of plant disrupting organisms, especially Spodoptera exigua pests. The purpose of this study was to measure the effectiveness of trap lights on the intensity of S. exigua attacks on onion plants. This study is a field experiment that compares two types of trap lamp treatment, namely yellow and blue trap lights, to the intensity of S. exigua pest attacks on onion plants. The results showed that the average intensity of S. exigua attacks on yellow trap light treatment was lower (10.63%) than blue trap lamp treatment (11.05%). The total production of shallot wet bulbs in the yellow light trap treatment was around 4.66 tons/ha lower than the blue light trap of 6.86 tons/ha. Analysis of the T test of both treatments showed markedly different results only in observations of 7 and 23 days after planting.

ANALISIS GC-MS (GASS CROMATOGRAPHY-MASS SPECTROMETRY) TERHADAP BATANG KELAPA SAWIT (Elaeis guineesis Jaq.)

Susi Indriani — 2023-09-09

Oil palm is the plant that produces the highest oil among other plants and the level of cholesterol compounds contained in palm oil is relatively lower compared to other plants. Therefore, this study aims to determine the content of compounds contained in oil palm plants using the GC-MS instrument. The results of the GC-MS analysis on the sample carried out showed that 14 peaks were detected representing 11 compound components. Based on the analysis of 11 compound components, three compounds were found that had the most significant percent area value, namely the compound 2-Propenoic acid, 1,7,7-trimethylbicyclo[2.2.1]hept-2-yl ester, exo- by 39.06%; Isobornyl propionate compound by 16.21% and the last compound is Cyclopentanecarboxylic acid, 3-methylene-,1,7,7-trimethylbicyclo[2.2.1]hept-2-yl ester (CAS) CYCLOPENTANIC with a percent area value of 12.99%.

BIOCHAR DIPERKAYA Pleurotus ostreatus GUNA MENINGKATKAN PERTUMBUHAN DAN PRODUKSI BAWANG MERAH (Allium cepa) DI TANAH LEMPUNG BERPASIR

Syamsiar Zamzam — 2023-09-09

Sandy loam soil is one alternative to support food security by using rice husk biochar enriched with Pleurotus ostreatus as an organic waste agricultural soil conditioner. This study aims to increase the growth and production of shallots (Allium cepa) in sandy loam soil with the application of Biochar enriched rice husk Pleurotus ostreatus. The research method used a non-factorial Randomised Group Design (RAK) with 4 levels, namely: 1) No treatment, 2) Rice husk biochar enriched with Pleurotus ostreatus 10 grams, 3) Biochar rice husk enriched with Pleurotus ostreatus 15 grams and 4) Biochar rice husk enriched with Pleurotus ostreatus 20 grams. The use of organic matter biochar rice husk enriched with Pleurotus ostreatus had no significant effect on sprouting speed, number of shoots, and weight of tuber clump-1. The use of organic matter biochar rice husk enriched Pleurotus ostreatus significantly affects the root diameter (πm) of shallot plants with the best treatment produced organic biochar rice husk enriched Pleurotus ostreatus 20 grams which is 0.42πm. The use of rice husk biochar enriched with Pleurotus ostreatus with the right dose can increase the growth rate and production of shallot plants in sandy loam soil

EVALUASI KEBERADAAN DAN STATUS AMBANG EKONOMI Lepidiota stigma F. PADA BEBERAPA LAHAN KOMODITI PERKEBUNAN

Andi Ridwan — 2023-09-25

Lepidiota stigma is known as a major pest and very destructive in sugarcane plants and some plantation commodities such as cocoa, coffee, and oil palm plants. The research aimed to determine of the presence and status of L. stigma as an initial anticipatory step in control activities. This research was designed as quantitative descriptive research on four fields, namely cocoa plantations, coffee plantations, oil palm fields, and empty land (thatch). The sample structure and observations were made following a diagonal line, which the observations of L. stigma were carried out when digging holes at a depth of 5 cm, 10 cm, and 15 cm in the sample area at a size of 1 x1 m., and five samples were taken from each field. The average observation results were analyzed descriptively with reference to the economic threshold value. The research results showed that L. stigma was found on all types of lands with a status below the economic threshold.

ABSTRAK

Hama Lepidiota stigma dikenal sebagai hama utama dan sangat merusak pada tanaman tebu dan beberapa komoditi perkebunan seperti kakao, kopi dan tanaman kelapa sawit. Penelitian bertujuan untuk melihat keberadaan dan status hama tersebut sebagai langkah antisipasi awal pada kegiatan pengendaliannya. Penelitian ini dirancang sebagai penelitian kuantitatif deskriptif yang menggunakan empat lahan, yaitu lahan tanaman kakao, lahan tanaman kopi, lahan sawit dan lahan kosong (ilalang). Struktur dan pengambilan sampel mengikuti garis diagonal pada lahan, dimana . pengamatan L. stigma dilakukan saat menggali lubang pada kedalaman 5 cm, 10 cm, dan 15 cm di dalam kuadran sampel pada ukuran 1 x 1 meter dan pada setiap lahan diambil sebanyak lima sampel.. Rerata hasil pengamatan dianalisis secara deskriptif dengan mengacu pada nilai ambang ekonominya. Hasil penelitian menunjukkan bahwa L.stigma ditemukan pada semua jenis lahan dengan status dibawah ambang ekonomi

DINAMIKA STATUS HARA LAHAN KERING MENGGUNAKAN TABUNG HARA BIOCHAR BERMIKORIZA

Harsani Harsani — 2023-09-30

Soil is a home for some microorganisms and a place for plants to grow; it is also a provider of both micro and macronutrients. This study aimed to determine the nutrient status on dry land using biochar and mycorrhiza nutrient tubes. This research was carried out on moorland using descriptive quantitative research in three treatments: control (B0), biochar nutrient tubes (B1), biochar tubes + Mycorrhiza nutrients (B2). The variables observed in this study were soil chemical properties, including N, P, C-organic, and pH. The results of nutrient analysis after the application of biochar and mycorrhiza for 3 and 6 months showed that the nutrient tube + mycorrhiza treatment showed the best results on soil chemical properties parameters, namely c-organic, N, P, and soil pH..

PERTUMBUHAN DAN PRODUKSI KACANG TANAH (Arachis hypogaea L.) PADA BERBAGAI DOSIS KALIUM ORGANIK

Syamsia Syamsia — 2023-09-30

Organic potassium fertilizer and liquid organic fertilizer are an alternative to reduce the use of chemical fertilizers in peanut cultivation. This research aims to determine the dose of organic potassium, the dose of liquid organic fertilizer (LOF) from cow urine on the growth and production of peanuts. This research was structured using a Randomized Block Design (RBD) with 2 treatments, namely doses of organic potassium and cow urine liquid organic fertilizer (LOF). The parameters observed were plant height (cm), number of leaf stalks (stalk), seed weight per 1000 (g), number of pods (fruit), fresh weight (g), and dry weight (g). The results of the study showed that treatment with doses of organic potassium and cow urine LOF had no significant effect on the growth and production of peanuts. The best organic potassium dose for growth and production is organic potassium equivalent to a KCl dose of 75 kg ha^-1. The best dose of cow urine LOF is 75 ml L^-1.

EFEKTIFITAS BIOAMELIORAN SEBAGAI PEMBENAH TANAH PADA TANAMAN CABAI KERITING (Capsicum annuum L.)

Mu'minah Mu'minah — 2023-09-30

Bioameliorant as a soil enhancer acts as a bioferlizer because it can provide fertility to the soil and improve the physical, chemical and biological properties of the soil. This research aims to see and determine the effect of various concentrations of Bioameliorant (soil enhancer) and organic materials on the growth of curly red chili plants. This study used a Randomized Block Design (RAK) with 4 doses of bioameliorant treatment, namely: control (B0) without bioameliorant, (B1) 10 ml/l water (B2) 15 ml/l water and (B3) 20 ml/l water. Each treatment consisted of 2 units consisting of 3 groups so there were 24 experimental units. The dose of organic material given is 30 tons/ha or the equivalent of 53 grams/polybag. The experimental results showed that giving bioameliorant to curly chili plants with a concentration (B3) of 20 ml/l of water showed the highest growth in plant height (109.66 cm), large number of leaves (31.33), large number of branches (15.33 branches). , the highest number of fruit (22.66 pieces) and the heaviest fruit weight (61.96 grams) and the heaviest root weight (18.02 grams). Based on the experimental results, it can be concluded that the application of bioameliorants (soil amendments) and organic materials gave the best results in treatment with a concentration of 20 ml/liter of water on the growth of curly chili plant

KAJIAN KARAKTERISTIK LAHAN UNTUK MENDUKUNG PENYUSUNAN MODEL DECISION SUPPORT SYSTEM (DSS) OPTIMALISASI LAHAN DI KABUPATEN PANGKEP

Nurmiaty Nurmiaty — 2023-09-30

The biophysical characteristics and environmental conditions of the land are required for the development of a Decision Support System (DSS) model for land optimization. The purpose of this study was to examine the characteristics of land cover, and the biophysical and environmental conditions of the land in Pangkep Regency. Suboptimal land identification and analysis of land and climate characteristics are carried out on the basis of secondary data obtained from satellite images, both land cover data in 2022, data in the form of three-dimensional DEM (Digital Elevation Model), and land characteristic data in the form of land system maps produced by the Geospatial Information Agency. The land cover in the Pangkep Regency area consists of fourteen types of land cover dominated by jungles, rice fields, and ponds. Flat topography with slopes of 0-2% and geological formations of alluvium and coastal deposits, Tonasa Formation, and Sekala Formation are dominant in Pangkep Regency. The dominant soil characteristic in this region is a lithosol soil type, soil depth more than 150 cm, soil pH is slightly acidic (5.6-6.5), clay texture, soil drainage criteria are inhibited and good, soil salinity in the range of 0.33%, C-Organic content with very low and low criteria, medium soil CEC, low total N value with a range of 0.1–0.21% and medium with 0.22–0.51%, Soil potassium content including very low criteria (<10 mg/100g) is in the range of 0.05 – 0.2 mg/100g and dominant 0.2 mg/100g, and rock abundance is 100+. The rainfall in this region is predominantly 2500 mm.th^-1 and the average temperature is 23 - 32°C.