scholarly journals ASSESSMENT OF SEAFOOD PROCESSING SLUDGE AFTER COMPOSTING ON GROWTH OF TAGETES PATULA L.

2021 ◽  
Vol 1 (42) ◽  
pp. 102-108
Author(s):  
Tho Van Nguyen ◽  
Vien My Tran ◽  
Binh Phan Khanh Huynh
Keyword(s):  
Mekong Delta ◽  
Chicken Manure ◽  
Viet Nam ◽  
Tagetes Patula ◽  
E Coli ◽  
Pollution Research ◽  
Trichoderma Fungi ◽  
Seafood Processing ◽  
Sludge Composting ◽  
Composted Sludge

Sludge of seafood processing factories discharged directly into the environment can lead to environmental pollution. Research on the use of seafood processing sludge as compost for agriculture in the Mekong Delta is encouraged. The objectives of this study were (1) to evaluate the chemical composition of seafood processingsludge after 60 days composting and (2) to evaluate the growth of Tagetes patula L planted with composted sludge. The sludge composting experiment was carried out with 3 treatments: sludge + Trichoderma fungi; sludge + chicken manure + Trichoderma fungi; sludge + straw + chicken manure + Trichoderma fungi. The results showed that the treatment of sludge + straw + chicken manure + Trichoderma fungi had a betterquality than the other two treatments. The pH, TC, TN, NH+ 4 , NO- 3 , TP, PO3 4- and heavy metal(Pb, Cd, Cr, Cu, Ni, Zn and Hg) contents of sludge meet the environmental standard of Viet Nam (10TCN526:2002). E. coli and Salmonella were not present at the end of the composting experiment. Tagetes patula L grew and flowered on all 4 treatments: control – composted straw; sludge + Trichoderma fungi; sludge + chicken manure + Trichoderma fungi; sludge + straw + chicken manure + Trichoderma fungi. However,Tagetes patula L grew best on the sludge + Trichoderma fungi experimental condition .

scholarly journals Use of local inoculants to produce organic fertilizer from the brewing industry

2017 ◽  
Vol 20 (K3) ◽  
pp. 25-30
Author(s):  
Nguyet Thi Nhu Nguyen ◽  
Bien Khac Nguyen ◽  
Huyen Thi Bich Trinh ◽  
Hanh Vu Bich Dang
Keyword(s):  
Nitrogen Fixation ◽  
Rural Development ◽  
Total Nitrogen ◽  
Organic Fertilizer ◽  
Post Treatment ◽  
Viet Nam ◽  
Brewing Industry ◽  
E Coli ◽  
Windrow Composting

This paper presents the possibillity of using native microoganisms from the brewery’s post-treatment sludge in order to create fertilizers by the windrow composting. The result showed that there are 3 representive useful microoganisms in the following: C1, C4 and C6. At the same time, the change in the composition of supplementary fiber into 4 treatment has resulted in the following : the everage C/N ratio of treatment are from 20 to 29, the average pH of the ratios is 7,82; total nitrogen fixation average is 2108; the highest is 5108; the smallest is 8107, microoganisms which are capable of decomposing cellulose average is 7 x 106; the highest is 9106, the lowest is 5106. Total Salmonella and E. coli are 0; the after-testing products meet the standard in the Viet Nam Bank for Agriculture and Rural Development.

scholarly journals THE CHANGE OF SANDY SOIL PROPERTIES AFTER ADDING CHARCOAL PRODUCED FROM A TRADITIONAL KILN IN THE MEKONG DELTA, VIET NAM

2021 ◽  
Vol 1 (42) ◽  
pp. 109-115
Author(s):  
Binh Phan Khanh Huynh ◽  
Tho Van Nguyen ◽  
Vien My Tran
Keyword(s):  
Soil Properties ◽  
Bulk Density ◽  
Sandy Soil ◽  
Organic Matter Content ◽  
Mekong Delta ◽  
Exchange Capacity ◽  
Matter Content ◽  
Raw Material ◽  
Control Treatment ◽  
Viet Nam

This study aimed to use charcoal derived from the bamboo and melaleuca produced by traditional kiln applied to sandy soil growing mustard green (Brassica juncea L.). The charcoals were applied at three ratio (1%,2%, and 3%, which correspond to 10, 20, and 30 g charcoal/kg soil in pots) and the control treatment without charcoal. Soil properties were investigated including bulk density, pH, electrical conductivity (EC), cation exchange capacity (CEC), organic matter content, total nitrogen, and total phosphorous. The results showed that bulk density decreased in charcoal-treated soils. pH and EC were in the suitable range for plants.Nutrients and CEC of the soil in the charcoal treatment were significantly higher compared with the control (CEC increase 6.8% to 16%; TC increase 80% to 115%; TN increase 37.5 to 75%). Green mustard growing on charcoalamended soil had greater height (higher 3% to 21%), bigger leaves, and higher yield (increase18% to 81%) than those of plants groomed in the control treatment. This study showed the potential of using charcoal as supplying nutrient to the poor soil. Moreover, the abundant of raw material and easy to produce, it is suitable for applying in the Mekong Delta, Viet Nam, and other countries with similar conditions and infrastructure. 

Human leptospirosis in the Mekong delta, Viet Nam

1998 ◽  
Vol 92 (6) ◽  
pp. 625-628 ◽  
Author(s):  
Cao T.B. Van ◽  
Nguyen T.T. Thuy ◽  
Ngo H. San ◽  
Tran T. Hien ◽  
G. Baranton ◽  
...  
Keyword(s):  
Mekong Delta ◽  
Viet Nam ◽  
Human Leptospirosis

scholarly journals Fertilizer Formulation and Method of Application Influence Bedding Plant Growth and Nitrogen Leaching in Urban Landscapes

2002 ◽  
Vol 20 (4) ◽  
pp. 204-213
Author(s):  
James E. Altland ◽  
Charles H. Gilliam ◽  
James H. Edwards ◽  
Gary J. Keever ◽  
Donna C. Fare ◽  
...  
Keyword(s):  
Plant Growth ◽  
Immediate Release ◽  
Water Soluble ◽  
Chicken Manure ◽  
N Leaching ◽  
Urban Landscapes ◽  
Tagetes Patula ◽  
Inorganic Fertilizers ◽  
Bedding Plant ◽  
Industry Practice

Abstract Two experiments were conducted to evaluate fertilizer formulation, method of application, and frequency of application on growth of landscape bedding plants and nitrogen (N) leaching. In the first experiment, ‘Peppermint Cooler’ vinca (Catharanthus roseus (L.) G. Don ‘Peppermint Cooler’), ‘Bonanza Yellow’ marigold (Tagetes patula L. ‘Bonanza Yellow’), and ‘Hawaii Blue’ ageratum (Ageratum houstonianum Mill. ‘Hawaii Blue’) were planted in raised beds. Four inorganic fertilizer formulations used included 13N–5.6P–10.9K (13–13–13) and 15N–0P–12.6K (15–0–15) granular water soluble (GWS) fertilizers, Osmocote 14N–6.0P–11.6K (14–14–14) (3 to 4 month release) controlled-release fertilizer (CRF), and Osmocote 17N–3.0P–10.1K (17–7–12) (12 to 14 month release) CRF. Each fertilizer was applied at a rate of 4.9 g N/m2 (1 lb N/1000 ft2) either incorporated into the top 10.2 cm (4 in) pre-plant or topdressed postplant. Additional treatments included an industry practice of incorporating 13N–5.6P–10.9K (13–13–13) pre-plant and topdressing 17N–3.0P–10.1K (17–7–12) post-plant; and a pre-plant incorporation of an organically-based fertilizer composed of recycled newspaper amended with chicken manure (caged layer manure). In Expt. 2, a similar experimental setup was used with ‘Peppermint Cooler’ vinca, ‘Red Vista’ salvia (Salvia splendens F. Sellow ex Roem. & Schult. ‘Red Vista’), and ‘Strata’ salvia (Salvia farinacea Benth. ‘Strata’). Inorganic fertilizers were applied in either single or multiple applications. Inorganic fertilizers included 15N–0P–12.6K (15–0–15) GWS fertilizer, Osmocote 14N–6.0P–11.6K (14–14–14) CRF, and Osmocote 17N–3.0P–10.1K (17–7–12) CRF. Three organically-based fertilizers were applied pre-plant and were composed of recycled newspaper amended with either chicken, beef cattle, or dairy cow animal manures. Summarizing across both experiments, plants treated with GWS fertilizers appeared to benefit with improved foliar color from immediate release of nutrients, while those treated with CRFs required at least 4 weeks to achieve dark foliar color. Nutrient leaching below plant roots was greater for GWS compared to CRFs. The industry practice treatment provided some improved plant growth in both experiments; however, it also caused initially high levels of soil-water-N (SWN) in Expt. 1. The organically-based fertilizer resulted in larger, more attractive (higher foliar color ratings) plants than inorganic fertilizers, though it also resulted in the highest levels of SWN compared to all other treatments.

scholarly journals Kajian Budidaya Daphnia magna Menggunakan Air Rebusan Kedelai Dan Air Cucian Beras

PELAGICUS ◽  
2021 ◽  
Vol 2 (1) ◽  
pp. 45
Author(s):  
Hernika Simanjuntak ◽  
Ernik Yuliana ◽  
Sinar Pagi Sektiana
Keyword(s):  
Escherichia Coli ◽  
Population Growth ◽  
Daphnia Magna ◽  
Design Method ◽  
Chicken Manure ◽  
Natural Food ◽  
Feed Water ◽  
E Coli ◽  
Significant Difference ◽  
Boiled Water

ABSTRAKDaphnia magna memiliki banyak keunggulan sebagai pakan alami pada budidaya ikan fase larva. Tujuan penelitian ini adalah membandingkan pertumbuhan Daphnia magna pada budidaya dengan menggunakan beberapa sumber air pupuk/pakan. Penelitian ini dilakukan secara eksperimental dengan metode Rancangan Acak Lengkap (RAL) dengan perlakuan yaitu pemberian pupuk pakan: kotoran ayam, air cucian beras, dan air rebusan kedelai, masing-masing pada konsentrasi 2%, 5% dan 10% dengan 3 kali pengulangan. Analisis data yang digunakan adalah uji statistik ANOVA dan dilanjutkan dengan uji beda nyata terkecil (BNT). Hasil penelitian menunjukkan bahwa pertumbuhan populasi yang lebih baik adalah dengan penambahan pakan/pupuk air rebusan kedelai dengan konsentrasi berturut-turut 10%, 5%, dan 2%. Hasil uji ANOVA menunjukkan perbedaan yang siginifikan antar perlakuan, namun tidak berbeda signifikan pada penggunaan konsentrasi yang berbeda. Hasil uji BNT menunjukkan bahwa air rebusan kedelai konsentrasi 5% dan 10% memberikan respon yang lebih baik dengan rata-rata pertumbuhan populasi 346 ekor dan 534 ekor. Hasil pengujian kandungan protein dan lemak didapatkan hasil bahwa air rebusan kedelai lebih tinggi dibanding yang lainnya yaitu rata-rata sebesar 2,50% dan 5,77%. Pengujian kandungan Escherichia coli didapatkan hasil jika semua perlakuan menunjukkan kandungan E. coli yang negatif.ABSTRACTDaphnia magna has many advantages as natural food in larval stage fish culture. This study aims to compare the growth of Daphnia magna in cultivation using several sources of fertilizer/feed water. This research was conducted experimentally with a completely randomized design method with the treatment of feeding fertilizer: chicken manure, rice washing water, and soy boiled water, each at a concentration of 2%, 5% and 10% with 3 repetitions. The data analysis used was the ANOVA statistical test and continued with the least significant difference test (LSD). The results indicated that the better population growth was the addition of soybean boiled feed/water fertilizer with concentrations of 10%, 5%, and 2%, respectively. The results of the ANOVA test indicated that was a significant difference between treatments, but not significantly different at the use of different concentrations. LSD test results indicated that soybean boiled water with a concentration of 5% and 10% gave a better response with an average population growth of 346 and 534 individuals. The results of testing the protein and fat content showed that the cooking water for soybeans was higher than the others, namely 2.50% and 5.77%, respectively. The test for Escherichia coli content was obtained if all treatments showed negative E. coli content.

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