scholarly journals Pengaruh Kompos Tandan Kosong Kelapa Sawit dan Larutan Mikroorganisme Lokal Eceng Gondok terhadap Pertumbuhan Tanaman Kedelai(Glycine max L. Merill)pada Tanah Pasca Tambang

2019 ◽  
Vol 1 (2) ◽  
pp. 129
Author(s):  
Aulya Rochimah ◽  
Ansyahari Ansyahari ◽  
Roro Kesumaningwati

The research was conducted to determine: 1) some chemical properties of oil palm empty fruit bunches (EFB) compost withbio-activator of water hyacinth local microorganism solution; 2) the best dose of local microorganism solution and compost of empty fruit bunches on the growth of soybean.The research was conducted from April until November 2016 in the Laboratory of Soil,Faculty of Agriculture,Mulawarman University,Samarinda.The experiment wasarranged in Completely Randomized Design (CRD) with five treatments and fivetime replications. The treatment was dose of compost,consisted of: 0 (control);200;400;600;and 800 g per polybag. Data were analyzed by analysis of variance (Anova) with F-test and if there was significantly different among treatments, continued withleast significant difference (LSD) test of 5%. Results of the chemical properties analysis of oil palm empty fruit bunchescompost with 300 mL local microorganism solution L-1as follows: pH 9.10; Organic-C 35.32%; total-N 1.34%; C/N ratio 26.36%; P2O5 0.08%; and K2O 1.88%.The dose of 800 g compost per polybag is the best dose of compost to the plant height at 14, 21, 28, 35, and 42 days after planting respectively 14.00; 18.32; 21.52; 24.54; and 27.36 cm, number of pods 8.80,and dry seed weight of soybean 1.99 g.

2021 ◽  
Vol 8 (2) ◽  
pp. 309-315
Author(s):  
Maidia Solfianti ◽  
Amsar Maulana ◽  
H Herviyanti ◽  
Teguh Budi Prasetyo

Gromoxone 267 SL Herbicide (GH) is widely used in weed control, and its contamination in the soil has the potential for contamination in agricultural land. The purpose of this study was to explore the effect of the application of soluble Gromoxone 267 SL herbicide on changes in the chemical properties of Inceptisols. This study used a completely randomized design with 4 treatments and 3 replications, namely A = 0% R (0.00 mL GH 7.34 mL H2O); B = 50% R (0.03 mL GH 7.34 mL-1 H2O); C = 100% R (0.06 mL-1 HG 7.34 mL-1 H2O) and D = 150% R (0.09 mL HG 7.34 mL-1 H2O), where 100% recommended soluble Gromoxone 267 SL herbicide (soluble) is assumed to be equivalent to (~) 100% Paraquat Dichloride (276 g L-1) in the Gromoxone 267 SL herbicide. The results of this study showed that 150% application of the recommended soluble Gromoxone 267 SL herbicide had a very significant effect on reducing CEC, total N, K, Ca and Mg-dd. It also had a significant effect on organic C and N of Inceptisols compared with control or without application of Gromoxone 267 SL herbicide.


2017 ◽  
Vol 2 (2) ◽  
pp. 7-13
Author(s):  
Muhammad Akhsan Akib ◽  
Henny Setiawati

Whey waste contains organic materials, particularly high complex proteins and amino acids in the form of suspended and dissolved solids, however the utilization of whey as a organic liquid fertilizer still has a less attention. Thus the Utilization of the whey waste through anaerobic process to be used as a organic liquid fertilizer is the purpose of the research. This research was conducted using factorial design with completely randomized design (CRD) which consists of two factors: the yeast concentration (without yeast; 0.25 and 0.50 g/500 ml of whey waste) and the fermentation time (0, 3, and 5 days). The variables measured were the content of organic C, C/N Ratio, and Total N, P2O5 and K2O contents. The results showed that the fermented whey waste on the different fermentation time and yeast concentration had increased the organic C and C/N ratio, but decreased P2O5 and K2O contents. The utilization of whey combined with solid or other liquid wastes gave a chance to produce a quality organic liquid fertilizer 


2016 ◽  
Vol 96 (4) ◽  
pp. 400-412 ◽  
Author(s):  
A.B. Syuhada ◽  
J. Shamshuddin ◽  
C.I. Fauziah ◽  
A.B. Rosenani ◽  
A. Arifin

A study was conducted to investigate the impact of biochar amendment on chemical properties and corn nutrient uptake in a sandy Podzol soil. Four rates of biochar (0, 5, 10, and 15 g kg−1) and two rates of inorganic fertilizer (0 and local recommendation rate for corn) were randomly applied to a completely randomized design with four replicates. Corn was grown for 45 d in a glasshouse using sandy Podzol. The increase in pH of the soil was concomitant with a decrease of exchangeable Al. The fertilized soil significantly increased total N, with a concomitant decrease in soil pH due to a N nitrification. Positive changes did occur in the soil due to biochar application, leading to a significant increase in dry matter yield and corn height. Corn N and K uptakes were significantly increased by the addition of biochar, but the same was not true for Ca and Mg. However, it was found that the concentrations of N, Ca, and Mg in the corn tissue were still lower than their critical level. Our results demonstrate that application of biochar alone is not able to supply enough nutrients for the healthy growth of corn.


Pro Food ◽  
2020 ◽  
Vol 6 (2) ◽  
pp. 685
Author(s):  
Ni Made Neni Parmiutari ◽  
Eko Basuki ◽  
Rucitra Widyasari

ABSTRACT             This study aims to determine the chemical properties (moisture content, pH and total dissolved solid), physical properties (texture and color) and organoleptics (taste, color, aroma, texture) in the different formulation of slice jam from mixture straw jackfruit and pineapple. This study used a Completely Randomized Design (CRD) with 6 treatments and 3 time replications and analyzed using Analysis of Variance at the 5% level and followed by Least Significant Difference test at the 5% level. These treatments include P0 (100 % pineapple), P1 (80% pineapple: 20% straw jackfruit), P2 (65% pineapple: 35% straw jackfruit), P3 (50% pineapple: 50% straw jackfruit), P4 (35% pineapple: 65% straw jackfruit), dan P5 (20% pineapple: 80% straw jackfruit). Observations made on moisture content, pH, total dissolved solid, texture, color and organoleptic taste, color, texture and aroma (scoring and hedonic). The results showed that the P3 treatment (50% straw jackfruit: 50% pineapple) was the preferred treatment for the panelists on the parameters of color, taste, and texture with the characteristics of moisture content 23.35%, pH 4.86, total dissolved solids 32,46oBrix, L value 44.79 and Hue value 70.67o and brownish yellow color, slightly pineapple taste, chewy texture and pineapple aroma and slightly jackfruit aroma. Keywords: pineapple, slice jam, straw jackfruit ABSTRAK       Penelitian ini bertujuan untuk mengetahui sifat kimia (kadar air, pH dan total padatan terlarut), sifat fisik (tekstur dan warna) dan organoleptik (rasa, warna, aroma, tekstur) pada formulasi selai lembaran dari campuran dami nangka dan buah nanas yang berbeda. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan 6 perlakuan dan 3 kali ulangan dan dianalisis menggunakan analisis keragaman (Analysis of Variance) pada taraf 5% dan dilanjutkan dengan uji Beda Nyata Terkecil pada taraf 5%. Perlakuan diantaranya P0 (100 % buah nanas), P1 (80% buah nanas: 20% dami nangka), P2 (65% buah nanas: 35% dami nangka), P3 (50% buah nanas: 50% dami nangka), P4 (35% buah nanas: 65% dami nangka), dan P5 (20% buah nanas: 80% dami nangka). Pengamatan dilakukan terhadap kadar air, pH, total padatan terlarut, tekstur, warna dan organoleptik rasa, warna, tekstur dan aroma (skoring dan hedonik). Hasil penelitian menunjukkan bahwa perlakuan P3 (50% dami nangka : 50% buah nanas) merupakan perlakuan yang agak disukai panelis pada parameter warna, rasa, dan tekstur dengan karakteristik kadar air 23,35%, pH 4,86, total padatan terlarut 32,46oBrix, nilai L 44,79 dan nilai Hue 70,67o serta warna kuning kecokelatan, agak berasa asam nanas, tekstur kenyal dan beraroma nanas dan sedikit beraroma nangka. Kata kunci: buah nanas, dami nangka, selai lembaran


2019 ◽  
Vol 8 (1) ◽  
pp. 7
Author(s):  
Zainudin Zainudin ◽  
Abdul Rofik

Palm oil is an export commodity of the plantation sector which began to develop rapidly in East Kalimantan with an area until 2017 reaching 1,192,342 Ha consisting of 284,523 Ha as plasma / smallholder plants, 14,402 Ha owned by SOEs as the core and 893,417 Ha owned by Large Private Plantation.Empty bunches (Tankos) are solid waste that is produced by palm oil mills in the process of managing palm fruit bunches into crude palm oil (CPO). In each processing 1 ton of fruit bunches will produce Tankos as much as 21-23%. Oil palm empty fruit bunches that are not managed properly will become waste that does not provide benefits. Compost technology using a local microorganism starter (MOL) can be used to produce quality organic fertilizer considering the process involves decomposing bacteria of organic ingredients. Compost technology from tankos waste is very possible to be developed, both at the level of farmers and private oil palm companies. This study aim to determine the potential of palm oil mill effluent (POME) as an bioactivator for composting oil palm empty fruit bunches, and to determine the chemical quality of oil palm empty fruit bunch compost with MOL bioactivator liquid waste as organic fertilizer. Through this research, it is expected that the palm oil mill's liquid waste can be utilized as a bioactivator for compost production and can be applied to the production of oil palm empty fruit bunch compost.This research was conducted for one year. The stages of the research are as follows: 1. Chemical analysis of POME waste, 2. Making LM POME, 3. Chemical analysis of LM POME, and 4. Making EFB Compost, and Chemical Analysis of oil palm empty fruit bunch compost. Compost making using randomized block design (RBD) with 5 treatments and 4 replications include: P0 = 0 ml / liter of water, P1 = 100 ml / liter of water, P2 = 300 ml / liter of water, P3 = 600 ml / liter of water, P4 = 900 ml / liter of water.The analysis showed that there was an increase in the chemical properties of POME after becoming an LM POME activator. Increased chemical properties such as phosphorus from 0.01 to 0.02, potassium from 0.19 to 0.27, and organic carbon from 0.90 to 1.30, but some chemical properties such as pH decreased from 7.20 to 3, 37 and nitrogen decreased from 0.37 to 0.05. The EFB compost analysis results showed that the highest pH was p2 with a value of 8.23, the highest organic C at p4 treatment with a value of 57.65, the highest total N at p3 with a value of 1.80, P2O5 the highest total at p3 with a value of 0.64, and the highest total K2O at p4 with a value of 2.68. 


Author(s):  
Dwi Astutik ◽  
Ratih Rahhutami ◽  
Aline Sisi Handini ◽  
Ahmad Sutopo

<em>A planting medium that rich in nutrients is needed for oil palm, especially in the nursery phase. This study aimed to determine the effect of various doses of EM4 and to get the best dose of EM4 on the growth of oil palm seedlings in the pre-nursery. The research method used was a non-factorial completely randomized design with 4 treatments, namely 0 ml EM4 (A1), 4 ml EM4 (A2), 8 ml EM4 (A3), and 12 ml EM4 (A4). Each treatment was repeated 6 times so that there were 24 experimental units. The data obtained were analyzed for variance at the 5% level, if the effect was real, it was followed by the least significant difference (LSD) test. Based on the results of the study, it could be concluded that application of various EM4 doses had a significant effect on plant height (4-12 MST), the number of leaves (4-8 MST), trunk girth (4-12 MST), and shoot wet weight but did not significantly affect the number of leaves (12 MST), the volume of roots, length of roots, root wet weight and shoot dry weight, dry weight root, the best dose was shown at a dose of 12 ml EM4.</em>


2021 ◽  
Vol 4 (2) ◽  
pp. 53-59
Author(s):  
Priyono Prawito ◽  
Impetus Hasada Windu Sitorus ◽  
Zainal Muktamar ◽  
Bandi Hermawan ◽  
Welly Herman

Understanding the relation of agroecosystem types, ages, and soil properties are vital in maintaining good quality soil. This study aims to explore the variation of selected soil properties with agroecosystem types and ages. The research has been conducted in North Bengkulu, Indonesia. Soil properties on agroecosystems of 5-yr, 10-yr, 15-yr oil palm plantation, 5-yr, 10-yr, 15-yr rubber plantation, food cropland, and scrubland were evaluated. The study found that soil in oil palm and rubber plantations of any age have a similar texture, bulk density (BD), and actual soil moisture (ASM). All plantation agroecosystems and scrubland have higher clay and lower silt content than that in food cropland. In addition, the scrubland has the highest ASM content among the agroecosystems. On the other hand, both agroecosystems enhances soil chemical properties than food cropland and scrubland as indicated by the improvement of organic-C, total-N, available P, exchangeable K and CEC of Ultisols. Older plantation also provides higher soil chemical improvement than younger one. This finding is significant for management of sub optimal soil mainly Ultisols for oil palm and rubber plantation.


2020 ◽  
Vol 10 (2) ◽  
pp. 58
Author(s):  
Windy Natasha Putri ◽  
Nelvia Nelvia ◽  
Idwar Idwar

Oil palm plantations in Riau are very extensive and developed on marginal land. The utilization of oil palm plant for soybean cultivation is an alternative to increasing soybean production in Riau, because soybeans are classified as plants that tolerant to shade. The research aimed to study the interaction of biochar and Calopogonium mucunoides green fertilizer on growth and yield of soybeans and diversity of soil macrofauna in inter-rows of oil palm plant. The research was conducted in Pekanbaru, carried out in 7-year-old oil palm plant and soil science laboratory of the Faculty of Agriculture, University of Riau from April-August 2018. The research was done experimentally in a 3x3 factorial form using a completely randomized design (CRD). The first factor is biochar from coconut shell consists of 3 levels (0, 2,5 and 5 ton.ha-1). The second factor is Calopogonium mucunoides green fertilizer consists of 3 levels (0, 2,5 and 5 ton.ha-1). The parameters observed were plant height, pods per plant, percentage of pithy pods, seeds per plant, seed weight per plot, weight of 100 seeds, population density and relative density of soil macrofauna, and diversity index of soil macrofauna. The results showed 2,5 ton.ha-1 biochar followed by 2,5 ton.ha-1 Calopogonium mucunoides green fertilizer increased the number of pods per plant compared to controls. The total individuals and population of soil macrofauna increased at 5 ton.ha-1 biochar followed by 5 ton.ha-1 Calopogonium mucunoides green fertilizer with the family that was often found, namely Scarabaeidae. The diversity index of soil macrofauna is low.


2019 ◽  
Vol 33 (1) ◽  
pp. 75-84
Author(s):  
Fauzan Abadi ◽  
Nelvia Nelvia

The research aims to study the effect of inorganic and organic ameliorant dressing on ultisol subsoil medium on the growth of oil palm (Elaeis gueneensis Jacq)seedling in the main nursery. The research was conducted at greenhouse AgricultureFaculty, Riau University Pekanbaru from June to November 2016.The experiment in form factorial using Completely Randomized Design (CRD).The first-factor is an organic ameliorant ei.fly ash and dregs consist of 4 levels (without ameliorant, 50 g fly ash, 50 g dregs and 25 fly ash + 25 dregs per polybag). The second factor is organic ameliorant ei.cocopeat and oil palm empty fruit bunches compost (OPEFBC)consist of 6 levels (without ameliorant, 100 g cocopeat, 100 g OPEFBC, 50 g cocopeat + 50 g OPEFBC, 100 g cocopeat + 50 g OPEFBC and 50 g cocopeat + 100 g OPEFBC per polybag). The parameters observed were the addition of plant height, number of leaves, a diameter of the stump, length of leaf midrib and leaves. The results showed that the combination of 50 g dregs/polybag with 100 g OPEFBC/polybag increased the plant height and combination of 25 g fly ash + 25 g dregs with 50 g cocopeat + 50 OPEFBC increased diameter of stump and length of leaf midrib significantly compared to without ameliorant, but non significantly compared to another combination.


2018 ◽  
Vol 23 (1) ◽  
pp. 1-9
Author(s):  
Jauhari Syamsiyah ◽  
Sumarno Sumarno ◽  
Suryono Suryono ◽  
Winda Sari ◽  
Muhammad Anwar

One effort that can be done to improve soil fertility and crop yields is fertilization. Fertilization using a mixed source fertilizer (MSF) is an option to overcome the impact of inorganic fertilizer use and organic fertilizer drawbacks. This study aims to evaluate the effects of MSF application on the chemical properties of Inceptisol and rice yields. A field experiment was conducted using a completely randomized block design (RCBD) with two factors and three replications. The first factor was the three formulas of MSF (F1, F2, F3) and the second factor was MSF doses (0, 2.5, 5, 7.5, 10 Mg ha-1). The results show that there is no significant difference on the total soil N, available soil P, plant height and total number of tillers of rice plants applied with the three MSF formulas. The increased MSF doses applied significantly improve the soil chemical properties of Inceptisol and rice yields. The application of 10 Mg ha-1 MSF increases total- N (57.89%), available-P (29.13%), exchangeable-Ca and -Mg (117% and 250%, respectively), plant height (40%) and total number of tillers (43.2%) in comparison to those without MSF application. There are interaction effects between formulas and doses of MSF on the amount of exchangeable-K, organic-C content, and CEC of the soil and rice yields. The application of 10 Mg ha-1 MSF F3 results in better effects on the amount of exchangeable-K, organic-C content and CEC of the soil, and number of productive tillers and rice yields than the application of other MSF formulas. The MSF can be used as an alternatif fertilizer that can improve Inceptisol productivity.  


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