nitrogen | Environmental Information Service Namibia: eLibrary

An essential nutrient in the food supply of plants and the diets of animals. Animals obtain it in nitrogen-containing compounds, particularly amino acids. Although the atmosphere is nearly 80% gaseous nitrogen, very few organisms have the ability to use it in this form. The higher plants normally obtain it from the soil after micro-organisms have converted the nitrogen into ammonia or nitrates, which they can then absorb. (Source: WRIGHT)

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McDonagh JF, Hillyer AEM 2003. Grain legumes in pearl millet systems in northern Namibia: an assessment of potential nitrogen contributions. Experimental Agriculture 39 (4) 349-362

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Grain_legumes_in_pearl_millet_systems_in_northern_namibia_an_assessment_of_potential_nitrogen_contributions_169.pdf	113.02 KB

Clousley-Thompson JL 1991. Water Balance and Nitrogenous Excretion. Ecophysiology of Desert Arthropods and Reptiles 80-101

Website link:http://link.springer.com/chapter/10.1007/978-3-642-75337-4_5

Schulze ED, Lange OL, Ziegler H, Gebauer G 1991. Carbon and nitrogen isotope ratios of misteltoes growing on nitrogen and non-nitrogen fixing hosts and on CAM plants in the Namib desert confirm partial heterotrophy. Oecologia 88 (4) 457 - 462

Website link:http://www.springerlink.com/content/h322kn46h15q3378/

Schulze ED, Gebauer G, Ziegler H, Lange OL 1991. Estimates of nitrogen fixation by trees on an aridity gradient in Namibia. Oecologia 88 451 - 455

Website link:http://www.jstor.org/pss/4219815

Schiller P, Heilmeier H, Hartung W 1998. Uptake of amino acids by the aquatic resurrection plant Chamaegigas intrepidus and its implication for N nutrition. Oecologia 117 63 - 69

Website link:http://www.jstor.org/pss/4222134

Heilmeier H, Ratcliffe RG, Hartung W 2000. Urea: A nitrogen source for the aquatic resurrection plant Chamaegigas intrepidus Dinter. Oecologia 123 9 - 14

Website link:http://www.jstor.org/pss/4222586

Wasmund N, Struck U, Hansen A, Flohr A, Nausch G, Grüttmüller A, Voss M 2015. Missing nitrogen fixation in the Benguela region. Deep Sea Research Part I: Oceanographic Research Papers 1 30-41

Website link:http://www.sciencedirect.com/science/article/pii/S0967063715001788

Ramond J-B, Woodborne S, Hall G, Seely M, Cowan D 2018. Namib Desert primary productivity is driven by cryptic microbial community N-fixation. Scientific Reports (8)

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Namib Desert primary productivity is driven by cryptic microbial community N_fixation.pdf	1.92 MB

Mubyana T, Krah M, Totoloz O, Bonyongo MC 2003. Influence of seasonal flooding on soil total nitrogen, organic phosphorus and microbial populations in the Okavango Delta, Botswana. Journal of Arid Environments 54 (2) 359-369

Website link:https://www.sciencedirect.com/science/article/abs/pii/S0140196302910955

Lamont BB, Eccles NS, Lamont HC 2025. Leaf thickness as key to the contrasting water and nutrient relations of eight arid-climate species, including water-loss resistance. Plant Ecophysiology 1 (2)

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Leaf thickness as key to the contrasting water and nutrient relations of eight arid_climate species.pdf	828.15 KB

Strydom PJ, Smith WA 1996. The effect of condensed tannins and polyethelene glycol on voluntary intake, nutrient digestability, nitrogen retention and energy partitioning in sheep. Agricola 9 67 - 71

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The effect of condensed tannins and polyethelene glycol_1996.pdf	633.99 KB

Rowell MJ 2000. Measurement of soil organic matter: A compromise between efficacy and environmental friendliness. Agricola 11 66 - 69

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Measurement of soil organic matter_2000.pdf	1.73 MB

Shiningavamwe KL, de Waal HO, Schwalbach L, Els J 2010. Growth performance and carcass characteristics of Dorper wether lambs fed Opuntia-based diets with different nitrogen sources in the feedlot. Agricola 20 26 - 32

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Growth performance and carcass characteristics of Dorper wether lambs fed Opuntia_based diets.pdf	4.27 MB

Shiningavamwe KL, de Waal HO, Schwalbach L, Els J 2010. The effects of Opuntia-based diets with different nitrogen sources on feed intake and digestibility by Dorper wether lambs in the feedlot. Agricola 20 18 - 25

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The effects of Opuntia_based diets _Dorper wether lambs in the feedlot.pdf	342.84 KB

Alweendo T 2003. Management of inorganic fertilizers for cotton.

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Spotlight_064.pdf	2.67 MB