Search Results - Emcees~

  1. Enhancing farming system water productivity through alternative land use and improved water management of rainfed agriculture in Vertisol areas by Erkossa, Teklu, Haileslassie, Amare, MacAlister, C.

    Published 2013
    “…The areas have been classified into three slope classes including areas where artificial drainage is not feasible, where Broad Bed and Furrows (BBF) can be used to drain the excess water and naturally drained areas, represented by areas with 0–2%, 2–5% and over 5% slope steepness, respectively. …”
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    Book Chapter
  2. Exploring basin scale salinity problems using a simplified water accounting model: the example of Zayandeh Rud Basin, Iran by Droogers, Peter, Salemi, H.R., Mamanpoush, A.R.

    Published 2001
    “…However, if salinity levels are not to exceed 2 dS m-1, mean annual water release requirements from the reservoir will increase from 52 to 64 m3 s-1, and peak requirements during the irrigation season will increase from 85 to 112 m3 s-1. …”
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    Journal Article
  3. Plant-available P for maize and cowpea in P-deficient soils from the Nigerian Northern Guinea savanna : Comparison of E- and L-values by Pypers, Pieter, Loon, L. van, Diels, J., Abaidoo, Robert C., Smolders, E., Merckx, Roel

    Published 2006
    “…We hypothesize that this plant-induced mobilization of P can be demonstrated if the plant accessible P assessed by isotopic dilution ( L-value ) exceeds the corresponding values assessed in soil extracts ( E-values ). …”
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    Journal Article
  4. Earth observation-based assessment of the water production and water consumption of Nile Basin agro-ecosystems by Bastiaanssen, Wim G.M., Karimi, P., Rebelo, Lisa-Maria, Duan, Z., Senay, Gabriel B., Muttuwatte, L., Smakhtin, Vladimir U.

    Published 2014
    “…Groundwater-dependent ecosystems withdraw large volumes of groundwater, which exceed water withdrawals for the irrigation sector. …”
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    Journal Article
  5. Antimicrobial use in developing countries by Grace, Delia, Lindahl, Johanna F., Hung Nguyen-Viet, Kakkar, M.

    Published 2015
    “…In developing countries as much as several hundred thousand tons may be used every year, agricultural use probably exceeds medical use, and most use is probably in intensive systems. …”
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    Ponencia
  6. Practicas sencillas para aumentar el rendimiento del cultivo de la yuca (Manihot esculenta Crantz) by Leihner, D.E., Castro Merino, A.

    Published 1979
    “…It is recommendable to carry out planting on well-prepared land, using ridges if the soil is of a clay texture and if annual rainfall exceeds 1200 mm. Recommended planting practices are: planting the cutting in a vertical position, at a depth of 10 cm, using an optimum density (normally not less than 10,000 plants/ha) and a spatial arrangement adequate for the form of cultivation used (monoculture or association, mechanized or manual labor). …”
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    Conference Paper
  7. Adaptation of the SCS [Soil Conservation Service] runoff equation for a (Sub) humid monsoon climate by Yilak, Debebe L., Tilahun, Seifu A., Schmitter, Petra S., Nakawuka, Prossie, Haile, Alemseged Tamiru, Kassawmar, N. T., Guzmán, Christian D., Steenhuis, Tammo S.

    Published 2015
    “…The adaptation is based on the fact that in many humid areas the main mechanism for direct runoff is saturation excess and in monsoon climates the contributing area expands as a function of the cumulative effective rainfall ( Pe). …”
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    Conference Paper
  8. Estimating shallow groundwater availability in small catchments using streamflow recession and instream flow requirements of rivers in South Africa by Ebrahim, Girma Yimer, Villholth, Karen G.

    Published 2016
    “…Using the Desktop Reserve Model, instream flow requirements necessary to meet the present ecological state of the streams were determined, and baseflows in excess of these flows were converted into a conservative estimates of allocatable groundwater storages on an annual basis. …”
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    Journal Article
  9. Synthesis and review: tackling the nitrogen management challenge: from global to local scales by Reis, S., Bekunda, Mateete A., Howard, C., Karanja, N., Winiwarter, W., Yan, X., Bleeker, A., Sutton, M.A.

    Published 2016
    “…Issues of concern range from an excess of fixed nitrogen resulting in environmental pressures for some regions, while for other regions insufficient fixed nitrogen affects food security and may lead to health risks. …”
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    Journal Article
  10. Development and field performance of nitrogen use efficient rice lines for Africa by Selvaraj, Michael Gomez, Valencia Ortiz, Milton Orlando, Ogawa, Satoshi, Lu, Yingzhi, Wu, Liying, Downs, Christopher, Skinner, Wayne, Lu, Zhongjin, Kridl, Jean C., Ishitani, Manabu, Boxtel, Jos van

    Published 2017
    “…Nitrogen (N) fertilizers are a major input cost in rice production, and its excess application leads to major environmental pollution. …”
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    Journal Article
  11. Economic and technical aspects of smallholder milk production in Northern Tanzania. by Zalla, T.M.

    Published 1982
    “…For grade cows the marginal value product of resources invested in providing water, salt, grain products and forage are all considerably in .excess of their marginal factor cost and the potential for increasing milk production quite significant. …”
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    Tesis
  12. Implication of livestock feeding management on soil fertility in smallholder farming systems. by Delve, Robert J.

    Published 1998
    “…In contrast, the feeding of poultry manure, a supplement containing highly degradable N, resulted in larger excretions of excess rumen ammonia as N in the urine, 17.5 and 23.2 mg kg-1 W d-1 for 15% and 30% supplementation respectively. …”
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    Tesis
  13. Mapping soil erosion hotspots and assessing the potential impacts of land management practices in the highlands of Ethiopia by Tamene, Lulseged D., Adimassu, Zenebe, Ellison, James, Yaekob, Tesfaye, Woldearegay, Kifle, Mekonnen, Kindu, Thorne, Peter J., Le, Quang Bao

    Published 2017
    “…The scenario analysis results showed that targeting hotspot areas where soil loss exceeds 10 t ha− 1 yr− 1 could reduce net soil loss to the tolerable limit (< 2 t ha− 1 yr− 1). …”
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    Journal Article
  14. Recent progress in cassava varietal improvement and agronomy research in Malaysia by Tan, Swee Lian, Chan, S.K.

    Published 1995
    “…Physiological studies on the effect of water stress (in excess and in short supply) were carried out in lysimeters and large containers, respectively. …”
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    Book Chapter
  15. Economic impact of aflatoxin contamination in SubSaharan Africa by Coulibaly, O., Hell, K., Bandyopadhyay, Ranajit, Hounkponou, S., Leslie, John F.

    Published 2008
    “…Losses from rejected export sh ipments and lower prices due to poor quality may exceed 100% if the product is destroyed a nd the exporter is paying for the shipping. …”
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    Book Chapter
  16. Co-solving groundwater depletion and seasonal flooding through an innovative managed aquifer recharge approach: converting pilot to a regional solution in the Ram Ganga Sub-basin by Gangopadhyay, Prasun K., Sharma, Bharat R., Pavelic, Paul

    Published 2018
    “…A community owned pond was retrofitted with recharge wells and associated infrastructure to draw excess monsoon water from a nearby flood-prone river. …”
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    Book Chapter

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