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    Wyświetlanie 1-7 z 7
    Tytuł:
    Effectiveness of potassium diformate in artificial feed against the growth rate of Nilem fish Osteochilus hasselti (Valenciennes, 1842) seed
    Autorzy:
    Yustiati, Ayi
    Chaerani, Amanda Shafira
    Rosidah, Rosidah
    Rostini, Iis
    Powiązania:
    https://bibliotekanauki.pl/articles/1068623.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Growth Rate
    Nilem Fish
    Osteochilus hasselti
    Potassium diformate
    Opis:
    Nilem fish is an endemic fish in West Java that has the potential to be developed into superior aquaculture products. The effect of feed additives on growth can help in increasing the protein synthesis process so that the fish growth process can be optimal. This research was carried out at the Ciparanje Experimental Pond Hatchery at the Faculty of Fisheries and Marine Sciences, Universitas Padjadjaran, from October 1 2018 to November 20 2018. The research method was carried out experimentally with Completely Randomized Design (CRD). This study used four treatments which were repeated three times. The treatment in this study consisted of adding potassium diformate to artificial feed at doses of 0%, 0.1%, 0.3%, and 0.5% per 100 grams of feed. The parameters observed in this study were survival, growth rate, feed efficiency, and water quality. The analysis used was the f test and descriptive analysis. The survival rate, growth rate and feed efficiency range from 87.08% -93.75%, 2.22% -2.26% and 41.21%-47.69% respectively. The addition of potassium diformate to artificial feed up to 0.5% per 100 grams of feed can be used as a feed additive in nilem fish cultivation.
    Źródło:
    World Scientific News; 2019, 132; 244-255
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Growth and Yield Response of Maize (Zea mays L.) to a Wide Range of Nutrients on Ferralsols of Western Kenya
    Autorzy:
    Otieno, Hillary M. O.
    Powiązania:
    https://bibliotekanauki.pl/articles/1075498.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Agronomic efficiency
    Zea mays
    crop growth rates
    fertilizer application
    maize
    micronutrients yield response
    nitrogen response
    phosphorus response
    potassium response
    relative growth rate
    Opis:
    Declining soil fertility is one of the main causes of low yields of maize. Farmers apply low rates of unbalanced nutrients leading to further nutrient mining. A randomized complete block nutrient omission trial with six replications was therefore set to determine maize response to the application of a wide range of nutrients from inorganic fertilizers on Ferralsols. The treatments were NK, NP, PK, NPK, and NPK + CaMgZnBS. The results showed that application of PK fertilizer resulted in low crop growth rate (CGR), and relative growth rate (RGR), and biomass compared to other treatments. Application of a wider range of nutrients (NPK + CaMgZnBS treatment) improved maize growth and yield compared to other treatments. In terms of grain response, Urea application recorded the highest yield (1800 kg/ha) followed by Triple Superphosphate (1300 kg/ha) then Muriate of potash (1100 kg/ha) and least by a combined application of secondary nutrients and micronutrients (ZnBMgCaS = 400 kg/ha). Highest agronomic efficiency of 32.5 kg grain /kg P applied was recorded due to P followed by K (27.5 kg grain /kg K) and least by N (15 kg grain /kg N). Based on the combined effect, application of N-P-K based fertilizers could give better yields. Use of micronutrients should be assessed further for conclusive recommendations.
    Źródło:
    World Scientific News; 2019, 129; 96-106
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of Exchange Rate on Economic Growth in Sri Lanka
    Autorzy:
    Aslam, A. L. Mohamed
    Powiązania:
    https://bibliotekanauki.pl/articles/1191250.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Exchange rate
    Economic growth
    Interest rate
    Colombo Consumer Price Index
    Opis:
    Exchange rate is identified as a factor for turning vector of the economic growth of countries which was empirically confirmed by several related studies. But in Sri Lankan context it was not confirmed. Therefore, the objective of this study was to test the impact of exchange rate on the economic growth in Sri Lanka. To achieve this objective, the annual time series data from 1970 to 2015 were used and the variables such as gross domestic product, exchange rate, inflation rate, and interest rate were considered and the multiple regressions model using Ordinary Least squared method was employed. Based on the outcome of the multiple regression model, this study confirmed that the exchange rate positively influenced on the economic growth in Sri Lanka at one percent significant level.
    Źródło:
    World Scientific News; 2016, 54; 252-266
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Growth performance and survival rate of giant gourami fingerlings (Osphronemus goramy Lacepede, 1801) with potassium diformate addition
    Autorzy:
    Nugraha, Algi Azmi
    Yustiati, Ayi
    Bangkit, Ibnu
    Andriani, Yuli
    Powiązania:
    https://bibliotekanauki.pl/articles/1030092.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Osphronemus goramy
    giant gourami
    growth
    potassium diformate
    survival
    Opis:
    This research aims to determine the method of adding potassium diformate to commercial feed to increase survival and growth in gourami juvenile. The method used in this research is an experimental method using a Completely Randomized Design (CRD), consists of four treatments and four replications. The treatments used are (A) Without giving Potassium diformate (control), (B) giving potassium diformate by 0.3%, (C) giving potassium diformate by 0.5% and (D) giving potassium diformate by 0.8%. The test fish used was 300 giant gourami with a length of 4-6 cm. The containers used in this research were aquariums with a size of 40 × 30 × 40 cm3 that reared in 16 aquariums. The density of giant gourami fingerlings during the research was 10 fish per aquarium. The rearing period was 40 days. The feed given was 3% of body mass. Water quality parameters (temperature, pH and dissolved oxygen) were observed every 10 days. Other parameters are the daily growth rate, feed efficiency, the survival rate and the acidity of intestinal and stomach which were observed every 10 days. The results showed that the addition of potassium diformate by 0.3% gives the best results of daily growth rate of 1.31%, feeding efficiency of 37.18%, survival rate of 100% and decreased acidity in the intestine and stomach which helps in the process of protein absorption.
    Źródło:
    World Scientific News; 2020, 143; 103-114
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Growth Drivers on Cooperative Societies
    Autorzy:
    Akpoviroro, Kowo Solomon
    Amos, Akinbola Olufemi
    Olalekan, Akinrinola
    Powiązania:
    https://bibliotekanauki.pl/articles/1166076.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Growth Drivers
    Interest Rate
    Patronage
    Savings Plan
    Welfare
    Opis:
    A cooperative society has remained a major concern especially in the developing countries like Nigeria. This study was born out of necessity to provide answers to fundamental questions raised on cooperatives societies. The objectives of this research was to ascertain the significant relationship between growth drivers and cooperative societies and to investigate significant relationship between cooperative societies and growth drivers such as interest rate, savings plan and to determine if amount borrowed has assisted to increase welfare and satisfaction of members. The primary data was gathered using structured questionnaire. The survey method was used and a cross-sectional design was adopted. The two institution chosen are the Federal University of Agriculture, Abeokuta (FUNAAB), and Covenant University (CU). Total population of the selected cooperative society in FUNAAB is 573 and the total population of the selected cooperative society in CU is 697. The data was analysed using statistical package for the social sciences, (SPSS). It also made use of analysis of variance (ANOVA), Simple linear regression analysis was used to test hypotheses one and correlation analysis was employed to test hypothesis two. The study indicate that interest rate of cooperative societies is a significant predictor of patronage of the cooperative, it was revealed that there exist a relationship between loan repayment periods, savings plan and the satisfaction of members of the cooperative The study recommended the need for the improvement in the performance of the cooperative societies.
    Źródło:
    World Scientific News; 2018, 106; 117-130
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Budget Deficit and Economic Growth in Sri Lanka: An Econometric Dynamic Analysis
    Autorzy:
    Aslam, A. L. Mohamed
    Powiązania:
    https://bibliotekanauki.pl/articles/1192692.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Dynamic relationship
    Budget deficit
    Economic growth
    Export earnings
    Exchange rate and Inflation
    Opis:
    Budget deficit is a debating word in developing countries; it maintains a relationship with economic growth of countries in different aspects. The objective of this study was to test the dynamic relationship between the budget deficit and the economic growth of Sri Lanka using annual time series data from 1959 to 2013.To test this objective, the budget deficit of Sri Lanka was used as main independent variable and the gross domestic product in constant price was utilized as dependent variable. The exports earnings, exchange rate, inflation rate were used supportive independent variables of this study. The Johansen cointegration technique and Vector Error Correction Model were employed to test the long and short - run dynamic relationship between the budget deficit and the economic growth of Sri Lanka. This study found that all variables were cointegrated at 1st difference form. In the meantime the budget deficit and economic growth of Sri Lanka had preserved a long- run dynamic relationship during the study period but no short- run dynamic relationship. In addition, the budget deficit had positive relationship with economic growth of Sri Lanka.
    Źródło:
    World Scientific News; 2016, 46; 176-188
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of different methods of fertilizer application on the growth of maize (Zea mays L.). for increase production in south Nigeria
    Autorzy:
    Adiaha, M. S.
    Agba, O. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1191226.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Ring method; NPK fertilizer; Zea mays; application rate; influence; indicate; corn
    Ring method
    NPK fertilizer
    Zea mays
    application rate
    influence
    indicate
    corn
    Opis:
    The study was conducted to determine the influence of different methods of fertilizer application on the growth of maize (Zea mays L.) at the Teaching and Research Farm, Faculty of Agriculture and Forestry, Cross River University of Technology. Maize seed variety Ikom Local White were treated to one level of NPK (15:15:15) fertilizer (0.128 kg ha-1) and four methods of fertilizer application (Broadcasting, Ring Application, Hole Application and Liquid Application). The experiment was laid out in a Randomized Complete Block Design (RCBD). The treatments were replicated four times to give a total of sixteen field plots. The result obtained indicated that NPK (15:15:15) significantly (p< 0.05) increase growth parameters (plant height and number of leaves) of maize obtained at 0.128 kg ha-1 and Ring method of application seems appropriate for maize production at 1 m spacing between plants on bed.
    Źródło:
    World Scientific News; 2016, 54; 73-86
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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