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    Wyświetlanie 1-6 z 6
    Tytuł:
    The use of Pigeon pea (Cajanus cajan) for drought mitigation in Nigeria
    Autorzy:
    Emefiene, M.E.
    Salaudeen, A.B.
    Yaroson, A.Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/11437.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    pigeon pea
    Cajanus cajan
    Gandule bean zob.pigeon pea
    tropical green pea zob.pigeon pea
    kadios zob.pigeon pea
    Congo pea zob.pigeon pea
    gungo pea zob.pigeon pea
    drought
    mitigation
    desertification
    vulnerability
    Opis:
    Drought poses one of the most important environmental constraints to plant survival and productivity and by implication-food insecurity in the tropics. Pigeon pea (Cajanus cajan) has the potential of fertilizing the soil thereby improving agricultural production and ensure green environmental and ecosystem stability. Despite the ability of the plant to improve soil fertility and promote greening environment, it has not attracted adequate awareness as a soil improvement plant. This paper highlights the information on the plant in order to intensify awareness for its widespread adoption to achieve the much desired sustainable resource use for greening our economy and environmental management. The successful widespread adoption of the plant will translate to effective drought, desertification and sustainable climate change mitigation approach in Nigeria.
    Źródło:
    International Letters of Natural Sciences; 2013, 01
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Population Density and Spatial Arrangements of Pigeon pea (Cajanus cajan L. Millsp) on Productivity of Maize-Pigeon pea Intercropping
    Autorzy:
    Merkeb, Fitsum
    Powiązania:
    https://bibliotekanauki.pl/articles/1182881.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    LER
    Maize
    Pigeon pea
    monetary return
    population density
    spatial arrangement
    Opis:
    A field experiment was conducted to determine the effect of pigeon pea spatial arrangement and population density on the productivity of maize-pigeon pea intercropping. Treatments were consisted of two pigeon pea spatial arrangements and three population densities of pigeon pea using randomized complete block design with three replications. Spatial arrangement and population densities had significant influence on pigeon pea grain yield. Higher grain yield was obtained from the highest pigeon pea plant population density and 1:2 spatial arrangement (3.90 t/ha, 0.73 t/ha for maize and 3.74 t/ha, 0.75 t/ha for pigeon pea). Number of seeds/cob and biomass yield of maize were not significantly affected by pigeon pea spatial arrangement and population densities. The interaction effect of pigeon pea spatial arrangement and population density had a significant effect on maize biomass yield. The highest interaction effect on biomass yield was obtained from the lowest pigeon pea population density with 1:2 arrangements. Land use efficiency and monetary return was increased by increasing plant density and pigeon pea rows. Total LER of 1.16 and 1.24 was received from 1:2 and 250,000 plants ha-1. Under pigeon pea spatial arrangement of 1:2 and population density of 125,000 and 250,000 plants ha-1 maize-pigeon pea intercropping was found to be advantageous. The highest monetary return was also obtained from these treatments of 1:2 and 250,000 plants ha-1(28185 ETB ha-1 and 28106 ETB ha-1). Intercropping maize-pigeon pea gave a gross monetary advantage of 75% and 21% of their respective sole crops of maize and pigeon pea.
    Źródło:
    World Scientific News; 2016, 53, 3; 216-229
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of some water extraction models in predicting water uptake of pigeonpea
    Autorzy:
    Ogunremi, L.T.
    Powiązania:
    https://bibliotekanauki.pl/articles/25561.pdf
    Data publikacji:
    1996
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    water uptake
    soil
    genotype
    pigeon-pea
    water flow
    water extraction
    Źródło:
    International Agrophysics; 1996, 10, 2
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mutagenic effect on seed germination, seedling growth and seedling survival of pigeon pea (Cajanus cajan (L.) Millsp)
    Autorzy:
    Ariraman, M.
    Gnanamurthy, S.
    Dhanavel, D.
    Bharathi, T.
    Murugan, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/11271.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    mutagenic effect
    seed germination
    seedling growth
    seedling survival
    pigeon pea
    Cajanus cajan
    Opis:
    In the present investigation the seeds of Pigeon pea (Cajanus cajan (L.) Millsp) were treated with different doses of gamma radiation (05KR, 10KR, 15KR, 20KR, 25KR, 30KR, 35KR, 40KR, 45KR, and 50KR) and concentration of Ethyl Methane Sulphonate (05mM, 10mM, 15mM, 20mM, 25mM, 30mM, 35mM, 40mM, 45mM, and 50mM) for studying seed germination, seedling height, (shoot and root), seedling injury, seedling vigour index, and seedling survival of plants at 30th day. The seed germination percentage was decreased with increased in the concentration/doses when compared to control. The LD50 (Lethal dose) value was determined based upon the seed germination percentage. The 50 percentage of seed germination and reduction was observed in 20KR of gamma rays and 25mM of EMS and it is considered as LD50 value for both the treatments. The decrease in seed germination was more prominent with gamma rays than that of EMS treatments. The seedling parameters of gamma rays and EMS treated seedlings were progressively decreased with increase dose/concentration in all mutagenic treatments when compared to control. The maximum seedling parameters were observed in 05KR of gamma rays and 05mM of EMS. Minimum seedling parameters were observed in 50mM of EMS and 50KR of gamma rays respectively.
    Źródło:
    International Letters of Natural Sciences; 2014, 16
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Some physical parameters in relation to water extraction by roots of two pigeonpea genotypes
    Autorzy:
    Ogunremi, L.T.
    Powiązania:
    https://bibliotekanauki.pl/articles/25012.pdf
    Data publikacji:
    1996
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    soil
    genotype
    physical parameter
    pigeon-pea
    hydraulic resistance
    water extraction
    root conductivity
    root
    Źródło:
    International Agrophysics; 1996, 10, 1
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bioethanol production from agro waste – Pigeon pea (Cajanus cajan (L.) Millsp.) stalk using solid state fermentation
    Autorzy:
    Kirti, Kirti
    Patil, Ravikumar S.
    Londonkar, Ramesh L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1076037.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Aspergillus niger
    Bioethanol
    Cajanus cajan
    Pigeon pea
    Saccharomyces cerevisiae
    agro waste
    biomass
    lignocellulose
    Opis:
    In view of raising prices of crude oil and due to increasing demands the need for alternative sources of bioenergy is expected to increase sharply in the coming years. Cajanus cajan Stalks is the major agricultural residue, more than 25% primary energy demands met through imports mainly in the form of crude oil and natural gas. Biofuels as a domestic renewable energy source can significantly reduce India’s dependence on foreign oil and fossil fuels. The Plant cell wall is a composite material in which cellulose, hemicelluloses & lignin are closely associated. The major constraint in successful bioconversion process is the lignin. The study was conducted for various pretreatment methods. The best is the steam pretreatment method. This method serves as best and effective pretreatment with the maximum removal of lignin and isolation of more reducing sugars and less pentose’s. The alkaline method specially NaOH treatment is used for extraction of more pentose’s in crude extract. Finally, our approach was to find out the best pretreatment method that result in release of maximum reducing sugars. Steam pretreatment serves to be best followed by saccharification by cellulose. Further, these fermentable sugars can be utilized for bioethanol production. Cajanus cajan stalk is mostly cultivated in Kalaburagi district of Karnataka for that can be used for ethanol production. Screening for isolation of S. cereviceae was carried out by using baker’s yeast and was grown in YPD media. The optimization of culture condition was carried out for growth of yeast showed optimum temperature at 30 ºC and optimum pH at 5. Optimum Cellulase enzyme activity was found to be at temperature 40 ºC and pH 4.5. The ethanol production reaction was optimized by the maximum utilization of sugars by yeast was optimized by providing hexose and with combination of xylose at temperature 30 ºC and pH 5.0 and the inoculum size was optimized at 5% volume of total volume for SSF. From the above results, it is clear that the cellulase enzyme isolated from Aspergillus niger has ability to grow and produce hexoses under conditions of optimum temperature and acidic pH. The reducing sugar and pentose’s both can be used together for ethanol production. The obtained reducing sugar and pentose’s sugar conc. were 1.025 gm/500 ml & 0.5 gm/500 ml. This is only possible by using biological enzymatic pretreatment. The resultant substrate can used for making 2-3% ethanol. Thus fermentable sugars by these methods can be utilized for bioethanol production. The ethanol produced from this agro waste is 2-3% in lab scale. Then go for pilot scale 4-5% and later for industrial scale 7-8% by treat with different pretreatment methods using SSF. This helps in increases the utilization of wastes for economic use and improves the biofuel production resources.
    Źródło:
    World Scientific News; 2019, 117; 59-81
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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