The Potential of Agricultural Waste Compost to Elevate Growth and Rice Production with the SRI Method in Acid Sulfate Soils

Acid sulfate soil is a type of suboptimal wetland that has problems including high acidity, low nutrients, and high solubility of Al and Fe. These problems are often overcome by the use of lime and chemical fertilizers, but if we look closely, the unwise use of chemical fertilizers can have a negative impact on the land. The organic farming system through the System of Rice Intensification (SRI) can be an alternative solution for the development of rice cultivation in acid sulfate soils. Therefore, the application of organic matter in the form of compost from agricultural waste (rice straw, coffee grounds, and oyster mushroom baglog waste) is believed to be able to increase the growth and production of rice in acid sulfate soils. The purpose of this study was to determine the potential impact of agricultural waste compost on the growth and production of rice using the SRI method in acid sulfate soils. This research was carried out for six months, from March to September 2021, in Sungai Rangas Village, Martapura Barat District, Banjar Regency, South Kalimantan Province. This research method used a randomized block design (RBD) with 1 factor, namely the type of compost: a0 = without compost application, a1 = rice straw compost, a2 = coffee grounds compost, and a3 = oyster mushroom baglog waste compost. Each treatment consisted of five blocks, so there were 20 experimental units. The results showed that the application of agricultural waste compost has the potential to increase the growth and production of rice using the SRI method on acid sulfate soils. Rice straw compost (a1), coffee grounds compost (a2), and oyster mushroom baglog compost (a3) were able to increase plant height, number of productive tillers, weight of 1,000 grains of rice, and harvested dry grain weight compared to control (a0)

Pengaruh Nutrisi dan CaCl2 terhadap Pertumbuhan dan Hasil Tanaman Selada (Lactuca sativa L.) secara Hidroponik Sistem Wick

This study aimed to determine the effect of providing a combination of hydroponic nutrition and the addition of CaCl2 on the growth and yield of hydroponic lettuce (Lactuca sativa L.) with a wick system. The research was conducted at the Agricultural Instrument Standardization Center Banten Province and Lingkungan Sapiah, Panancangan, Cipocok Jaya, Serang City from April to June 2023. This study used a factorial Randomized Block Design (RBD) consisting of two factors. The first factor was a combination of nutrients with 3 levels, namely A1 (AB Mix 3 ml/l), A2 (AB Mix 1.5 ml/l + POC Nasa 3 ml/l), A3 (AB Mix 1.5 ml/l + Gandasil D 3 ml/l). The second factor was the concentration of CaCl2 with 2 levels, namely C1 (0 ppm) and C2 (650 ppm). The parameters observed were plant height, number of leaves, root length, stem diameter, plant wet weight, crown weight, weight loss, and stem hardness of lettuce. The results showed that the combination of AB Mix 3 ml/l + POC Nasa 3 ml/l gave he best effect on plant height 35 days after planting (DAP) (23.54 cm), number of leaves 35 DAP (7.81 leaves). The addition of CaCl2 concentrationof 650 ppm gave the best effect weight loss on 3 DAH (54.48%), 4 DAH (66.51%), 7 DAH (85.99%), and stem hardness on 0 DAH (0.96), 2 DAH (0.80), and 4 DAH (0.64). There was an interaction between the hydroponic nutrient combination treatment and the addition of CaCl2 on the parameters of plant height and number of leaves on 35 DAP

Pemanfaatan Kompos Eceng Gondok untuk Pertumbuhan dan Hasil Tanaman Pakcoy di Tanah Gambut

This study examines organic matter in the form of swamp plant-derived compost, namely water hyacinth.  The study's objective was to ascertain how water hyacinth compost affected on peat soil which is known to have low soil fertility and is a problem in pakcoy cultivation. This study was a polybag scale experimental study using a one-factor Completely Randomized Design (CRD), namely water hyacinth compost with 5 levels of treatment with 4 replications so that there were 20 experimental units, the treatment consisted of p0 = 0 g polybag-1 (without treatment), p1 = 45 g polybag-1 water hyacinth compost p2 = 89 g polybag-1 water hyacinth compost, p3 = 134 g polybag-11 water hyacinth compost, p4 = 178 g polybag-1water hyacinth compost. The research was started by making compost from water hyacinth added with chicken and cow manure to enrich the compost content. Once the compost has matured it is applied to the peat soil and incubated for a week. Pakcoy seedlings are planted when the plants have 2-4 leaves, then maintenance, observation of plant growth and yield, then harvesting will be carried out. In addition, an analysis of compost and soil samples after incubation was also carried out.  This indicates that the application of water hyacinth compost affected the growth of pakcoy plants and changed the chemical characteristics of peat soils.  134 g polybag-1 of water hyacinth compost has the greatest effect on the growth and yield of pakcoy plants, while the chemical characteristics of peat soils have varied effects and there has been an increase.KeywordsPeat Soil; Compost; Water Hyacinth; Pakco

Pengaruh Konsentrasi Nutrisi AB MIX Terhadap Pertumbuhan dan Hasil Tiga Varietas Pakcoy (Brassica rapa L.) pada Hidroponik Sistem Sumbu

This study aimed to determine the effect of AB Mix nutrient concentration on the growth and yield of three varieties of pakcoy. This study was carried out form April to May 2024 at Manjun Village, Rancabuaya Village, Jambe District, Tangerang Regency, Banten Province. The study was structured in a Randomized Group Design with two factors. The first factor is the nutrient concentration of AB Mix consisting of three levels : P1= 15 ml/l, P2= 20 ml/l, and P3= 25 ml/l. The second factor is that the pakcoy variety consists of three levels: V1 = Pakcoy variety Nauli F1, V2 = Pakcoy variety Flamingo F1, and V3 = Pakcoy variety Emone-26. The study results showed that P1 treatment gave the best results in the parameters of plant height, plant fresh weight and root shoot ratio. The V3 treatment showed the best results in the parameter of plant height, while the V1 showed the best results in the number of leaves parameter. There was no interaction between AB Mix concentration and pakcoy varieties on all observed parameters. Gived AB Mix with a concentration of 15 ml/l can provide the best growth for pak choy plants. The Pakcoy Emone-26 and Nauli F1 varieties have the best plant growth

Pengaruh Pemberian Beberapa Dosis Pupuk NPK dan Komposisi Media Tanam Terhadap Pertumbuhan dan Hasil Tanaman Cabai Merah (Capsicum annuum L.)

Red chilli is a crucial vegetable crop in Indonesia, facing a rising demand that calls for increased production. Enhancements in red chilli production may be achieved by adopting polybag cultivation techniques. This study aims to find the interaction between various NPK fertilizer dosages and planting media compositions on the best growth and yield of red chilli plants and to determine the best NPK fertilizer dosage and plant media composition for the growth and yield of red chilli plants. The research was conducted at the net house, Faculty of Agriculture, Andalas University, from March to August 2023. This investigation was a factorial experiment organized in a Completely Randomized Design (CRD), comprising two factors with three replicates each. The first factor was the dosages of NPK fertilizer: 300, 400, and 500 kg/ha. The second factor concerned the composition of the planting medium, consisting of ultisol soil, cow manure, and cocopeat in ratios of 2:1:1, 2:2:1, and 2:1:2. Data analysis was conducted using the F-test followed by DNMRT at a 5% significance level. The findings indicated no interaction between the dosages of NPK fertilizer and the composition of the planting medium concerning the growth and yield of red chilli plants. The application of NPK fertilizer at a dosage of 400 kg/ha positively influenced the variables of dichotomous branch number and the number of fruits per plant, whereas the planting medium composition of 2:2:1 exerted the most favourable effect on plant height, flowering age, number of fruits per plant, and fruit weight per plant

Pertumbuhan dan Hasil Kentang G1 Melalui Modifikasi Media Tanam dan Aplikasi Zat Pengatur Tumbuh

Success in cultivating potatoes is the use of good quality potato seeds. Good quality potato seeds are produced through several stages starting from in vitro culture to extension seed production. One of the important stages in potato seed production is the production of first generation (G1) potato seeds. Efforts to increase the yield of G1 tubers can be made through modifying the planting media and applying growth regulators. This research aims to produce G1 potato tubers by adjusting the composition of the planting media (cocopeat, cocofiber, charcoal husk) and applying a growth inhibitor (Daminozide). The research consisted of four series of experiments. Each experiment was carried out using a Completely Randomized Design (CRD) with six treatments, each repeated four times. Experiment 1 (a. Cocopeat 100% + 0% husk charcoal; b. Cocopeat 20% + 80% husk charcoal; c. Cocopeat 40% + 60% husk charcoal; d. Cocopeat 60% + 40% husk charcoal; e. Cocopeat 80% + Charcoal Husk 20%; f. Cocopeat 0% + Charcoal Husk 100%. Experiment 2 (a. Cocofiber 100%; b. Cocopeat 100%; c. Cocopeat 20% + Cocofiber 80%; d. Cocopeat 40% + Cocofiber 60%; e. Cocopeat 60% + Cocofiber 40%; f. Cocopeat 80% + Cocofiber 20%. Experiment 3 (a. Cocopeat + Cocofiber + husk charcoal (1 : 1 : 1); b. Cocopeat + Cocofiber + charcoal husk (1 : 1 : 2); c. Cocopeat + Cocofiber + husk charcoal (1 : 2 : 1); d. Cocopeat + Cocofiber + husk charcoal (2 : 1 : 1). Experiment 4 (a. Daminozide 0 ppm; b. Daminozide 500 ppm; c. Daminozide 1000 ppm; d. Daminozide 1500 ppm). From the research results it can be concluded: 1) The combination treatment of 80% cocopeat + 20% cocofiber is the best treatment combination in the vegetative growth phase; 2) Composition treatment 60% cocopeat + 40% husk charcoal is the best treatment for the growth and number of G1 potato tubers; 3) Treatment of the composition of the planting media with cocopeat, cocofiber, and husk charcoal with a composition of 1:1:1 produces the highest number of tubers; 4) The best concentration of daminozide for the growth and production of G1 potato seed tubers is 3500 ppm

Response of ornamental plant Aster to inoculation of various inoculant of soil microbial consortia

The Aster (Callistephus chinensis L) is an important commodity and is cultivated by using NPK fertilizer. The other nutrient source in environmental-friendly agriculture is biofertilizer contains mixed strains of beneficial microbes. The purpose of a field experiment was to observe the influence of various biofertilizer composed of mixed strain of Nitrogen-fixer bacteria and Phosphate-solubilizer microbes on Aster plant growth and yield of flower. The research design was a randomized block design consisted of four biofertilizer types and one control. The results verified that biofertilizer increased plant height at 9 weeks after application but have not affected the initial generative stadia. The consortia of Pseudomonas diminuta, P. Cepaceae, Penicillium sp., and Aspergillus sp. showed the best effect on the plant health, flower number per plot, and flower diameter. The experiment confirmed that all biofertilizers could be used as the source of biostimulants for Aster.

Pengujian Biologis Formulasi Bioenkapsulasi Bacillus sp. untuk Menghambat Penyakit Layu Bakteri pada Tanaman Cabai

Bacterial wilt disease is a serious threat to cayenne pepper plants because it can cause a significant reduction in production. Although Bacillus sp. has been applied using liquid formulations, the results have not been optimal. Therefore, bioencapsulated formulations in the form of Beads have been tested as an alternative to increase their effectiveness. These Beads were made using sodium alginate cross-linked with CaCl2 through an extrusion technique. The application of Beads with the K2W1 treatment combination showed the lowest disease intensity level, which was 55.5%, and the effectiveness of inhibition reached 44.5%. From the results of this study, it can be concluded that the beads formulation is significantly potentian in inhibiting bacterial wilt disease on chili plan

Pertumbuhan Bibit Kopi Liberika Tungkal Komposit pada Aplikasi Pupuk Kandang Ayam

One of the efforts to increase the growth of Liberica coffee of Tungkal composite seedlings is through organic fertilization as considered inorganic fertilizers replacement. The purpose of this study was to look for the best dose of chicken manure for the growth of Liberica coffee of Tungkal composite seedlings. This study used a randomized block design with 4 replications with one factor, namely chicken manure consisting of 7 treatment levels, namely 0, 50, 100, 150, 200, 250 and 300 g of chicken manure/polybag. The variables observed were increase in seedling height, increase in stem diameter, increase in number of leaves, leaf area, crown dry weight, and root dry weight. The results showed that the application of chicken manure was able to increase the increase in seedling height, increase in stem diameter, increase in the number of leaves, and crown dry weight of liberica coffee seedlings, but was not able to increase leaf area and root dry weight. The recommended dose of chicken manure to increase the growth of liberica coffee seedlings was 211 g of chicken manure/polybag

Keragaan dan Mutu Buah Cabai pada 2 Jenis lahan Ultisol di Kabupaten Bangka Barat

Cayenne pepper is a horticultural crop commodity. Cayenne pepper cultivation on ultisol land is an effort to utilize marginal land as an agricultural sector. Cayenne pepper development activities are carried out incorrectly to maintain the source of availability. The purpose of this study was to determine the morphology of the types of cayenne pepper on ultisol land in West Bangka Regency, to determine the quality and level of productivity of cayenne pepper types on ultisol land in West Bangka Regency and to determine the content contained in cayenne pepper. This research was conducted at 2 (two) locations for cayenne pepper cultivation in Kelapa Village and Tebing Village, Kelapa District, West Bangka Regency, Bangka Belitung Islands Province in February - April 2023. The results of the study on cayenne pepper of the Cakra variety had better morphology in character plant height, branch height, fruit length, leaf length, fruit diameter and leaf width. The production of cayenne pepper cultivation of the Cakra variety in Tebing Village yields 7 tonnes/ha. Cayenne pepper of the Bogor variety cultivated in Kelapa Village has a high vitamin C content of 13% and cayenne pepper of the Bogor variety cultivated at Tebing Village has a high Total Dissolved Solids of 5 brix.Keywords:  Bogor, Cakra,  Cayenne Pepper, Ultisol Land, West Bangk