A. Alexandre, J. Meunier, C. F. Koud, and J. , Plant impact on the biogeochemical 733 cycle of silicon and related weathering processes, Geochim. Cosmochim. Acta, vol.6, pp.677-682, 1997.

R. Allen, L. Pereira, R. D. Smith, and M. , Crop evapotranspiration: guidelines for 739 computing crop water requirements. FAO Irrigation and Drainage Paper 56, p.740, 1998.

K. Anupama, P. S. Reddy, and C. , Vegetation, land cover and land use changes of 742 the last 200 years in the Eastern Ghats (southern India) inferred from pollen analysis of 743 sediments from a rain-fed tank and remote sensing, Quat. Int, vol.325, pp.93-104, 2014.

F. Bartoli and W. , Dissolution of Biogenic Opal as a Function of its Physical 745 and Chemical Properties, Soil Sci. Soc. Am. J, vol.44, pp.873-878, 1980.

W. Brenchley and E. Maskell, The inter-relation between silicon and other elements in 748 plant nutrition, Ann. Appl. Biol, vol.14, pp.45-82, 1927.

S. Buvaneshwari, J. Riotte, M. Sekhar, M. Kumar, M. Sharma et al., , p.750

P. Giriraja, P. Yerabham, H. Moger, P. Durand, J. Braun et al., Groundwater 751 resource vulnerability and spatial variability of nitrate contamination: insights from high 752 density tubewell monitoring in a hard rock aquifer, Sci. Tot. Env, vol.579, pp.838-847, 2017.

J. Braun, M. Descloitres, J. Riotte, S. Fleury, L. Barbiero et al., , p.754

L. Ruiz, M. Sekhar, M. Kumar, M. Subramanian, S. Dupré et al., Regolith mass 755 balance inferred from combined mineralogical, geochemical and geophysical studies, 2009.

, Hole gneissic watershed, South India, Geochim. Cosmochim. Acta, vol.73, pp.935-961

D. Cardinal, J. Gaillardet, H. Hughes, S. Opfergelt, and L. André, Contrasting silicon 758 isotope signatures in rivers from the Congo Basin and the specific behaviour of organicrich 759 waters, Geophys. Res. Lett, vol.37, 2010.

L. Cary, A. Alexandre, J. Meunier, J. Boeglin, and J. Braun, Contribution of phytoliths 761 to the suspended load of biogenic silica in the Nyong basin rivers (Cameroon), 2005.

. Biogeochem, , vol.74, pp.101-114

B. Cheng, Some significant functions of silicon to higher plants, J. Plant Nutr, vol.5, p.1353, 1982.

W. Clymans, E. Struyf, G. Govers, F. Vandevenne, and D. Conley, Anthropogenic impact cycling from modern waters in the Nile Basin: implications for interpreting the Quaternary 770 record, Quat. Sci. Rev, vol.66, pp.4-21, 2011.

R. Crooks and P. Prentice, Extensive Investigation Into Field Based Responses to a Silica 772, 2016.

, Fertiliser. Silicon, vol.9, pp.301-304

L. Datnoff and F. Rodrigues, The role of silicon in suppressing rice diseases, APS net, p.774, 2005.

F. Story, , pp.1-28

S. Delstanche, S. Opfergelt, D. Cardinal, F. Elsass, A. L. Delvaux et al., Silicon 776 isotopic fractionation during adsorption of aqueous monosilicic acid onto iron oxide, 2009.

, Geochim. Cosmochim. Acta, vol.73, pp.923-934

M. Demarest, M. Brzezinski, and C. Beucher, Fractionation of silicon isotopes 779 during biogenic silica dissolution, Geochim. Cosmochim. Acta, vol.73, pp.5572-5583, 2009.

L. Derry, A. Kurtz, K. Ziegler, and O. Chadwick, Biological control of terrestrial 781 silica cycling and export fluxes to watersheds, Nature, vol.433, pp.728-731, 2005.

V. Desplanques, L. Cary, J. Mouret, F. Trolard, G. Bourrie et al., , 2006.

, Silicon transfers in a rice field in Camargue (France), J. Geochem. Explor, vol.88, pp.190-193

M. Dettinger, Reconnaissance estimates of natural recharge to desert basins in Nevada, p.785, 1989.

, USA, by using chloride-balance calculations, J. Hydrol, vol.106, pp.55-78

D. Dietrich, S. Hinke, W. Baumann, R. Fehlhaber, E. Bäucker et al., G 2003 Silica accumulation in Triticum aestivum L. and Dactylis glomerata L. Anal. Bioanal

, Chem, vol.376, pp.399-404

T. Ding, D. Wan, W. C. Zhang, and F. , Silicon isotope compositions of dissolved and 790 suspended matter in the Yangtze River, China. Geochim. Cosmochim. Acta, vol.68, pp.205-216, 2004.

T. Ding, G. Ma, M. Shui, W. D. Li, and R. , Silicon isotope study on rice plants from the 792 Zhejiang province, China. Chem. Geol, vol.218, pp.41-50, 2005.

T. Ding, S. Tian, L. Sun, L. Wu, J. Zhou et al., Silicon isotope fractionation 794 between rice plants and nutrient solution and its significance to the study of the silicon cycle, 2008.

, Geochim. Cosmochim. Acta, vol.72, pp.600-615

Y. Environment-in, Cameroon using hybrid water fluctuation and hydrochemistry 801 methods, Environ. Earth. Sci, vol.64, pp.107-118

F. Fraysse, O. Pokrovsky, J. Schott, and J. Meunier, Surface chemistry and reactivity of 803 plant phytoliths in aqueous solutions, Chem. Geol, vol.258, pp.197-206, 2009.

P. Frings, C. W. Conley, and D. , Amorphous silica transport in the Ganges basin: 805 Implications for Si delivery to the oceans, Proc. Earth Planet. Sci, vol.10, pp.271-274, 2014.

P. Frings, W. Clymans, G. Fontorbe, W. Gray, G. Chakrapani et al.,

C. , Silicate weathering in the Ganges alluvial plain, Earth Planet. Sci. Lett, vol.427, pp.136-808, 2015.

P. Frings, W. Clymans, G. Fontorbe, C. De-la-rocha, and C. Conley, , 2016.

, Si cycle and its impact on the ocean Si isotope budget, Chem. Geol, vol.425, pp.12-36

J. Gaillardet, B. Dupré, P. Louvat, and C. Allègre, Global silicate weathering and CO 2 812 consumption rates deduced from the chemistry of large rivers, Chem. Geol, vol.159, pp.3-30, 1999.

R. Georg, B. Reynolds, F. M. Halliday, and A. , Mechanisms controlling the 814 silicon isotopic compositions of river waters, Earth Planet. Sci. Lett, vol.249, pp.290-306, 2006.

R. Georg, B. Reynolds, A. West, K. Burton, and A. Halliday, Silicon isotope 816 variations accompanying basalt weathering in Iceland, Earth Planet. Sci. Lett, vol.261, pp.476-490, 2007.

F. Guntzer, C. Keller, and J. Meunier, Benefits of plant silicon for crops: a review, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00930510

, Agronomy Sust. Dev, vol.32, pp.201-213

C. Henriet, L. Bodarwé, M. Dorel, X. Draye, and B. Delvaux, Leaf silicon content in banana 820 (Musa spp.) reveals the weathering stage of volcanic ash soils in Guadeloupe, Plant and Soil, vol.821, issue.313, pp.71-82, 2008.

H. Hughes, F. Sondag, C. Cocquyt, A. Laraque, A. Pandi et al., Effect 823 of seasonal biogenic silica variations on dissolved silicon fluxes and isotopic signatures in the 824, 2011.

, Congo River. Limnol. Oceanogr, vol.56, pp.551-561

H. Hughes, F. Sondag, R. Santos, A. L. Cardinal, and D. , The riverine silicon isotope 826 composition of the Amazon Basin, Geochim. Cosmochim. Acta, vol.121, pp.637-651, 2013.

K. Irfan, F. Trolard, T. Shahzad, L. Cary, J. C. Mouret et al., , vol.60, 2017.

, Intensive Rice Cropping on Clay Minerals in Soils Due to Si Exportation, American Journal 829 of Agriculture and Forestry, vol.5, pp.40-48

T. Klotzbücher, F. Leuther, A. Marxen, D. Vetterlein, F. Horgan et al., Forms and 833 fluxes of potential plant-available silicon in irrigated lowland rice production, 2015.

. Philippines, Plant and Soil

Y. Kuzyakov, J. Friedel, and K. Stahr, Review of mechanisms and quantification of 836 priming effects, Soil Biology & Biochemistry, vol.32, pp.1485-1498, 2000.

Y. Liang, M. Nikolic, R. Belanger, G. Haijun, and A. Song, Silicon in Agriculture. From 838 Theory to Practice, 2015.

E. Litchman, D. Steiner, and P. Bossard, Photosynthetic and growth responses of three 840 freshwater algae to phosphorus limitation and daylength, Freshwater Biology, vol.48, pp.2141-2148, 2003.

Y. Lucas, The role of plants in controlling rates and products of weathering: Importance 842 of Biological pumping, Annu. Rev. Earth Planet. Sci, vol.29, pp.135-163, 2001.

J. Ma and E. Takahashi, Soil, fertilizer, and plant silicon research in Japan, p.844, 2002.

. Amsterdam, , p.281

S. Makabe, K. Kakuda, Y. Sasaki, T. Ando, H. Fujii et al., Relationship between 846 mineral composition or soil texture and available silicon in alluvial paddy soils on the, 2009.

S. Plain, Japan. Soil Sci. Plant Nutr, vol.55, pp.300-308

J. Maréchal, J. Murari-r-r-v,-riotte, J. Vouillamoz, M. Kumar, M. Ruiz et al., , p.850, 2009.

, India. J. Hydrol, vol.364, pp.272-284

J. Maréchal, J. Braun, J. Riotte, B. Bedimo, J. Boeglin et al., Hydrological 852 Processes of a Rainforest Headwater Swamp from Natural Chemical Tracing in Nsimi, p.853, 2011.

. Watershed, Cameroon. Hydrol. Process, vol.25, pp.2246-2260

J. Maréchal, J. Riotte, C. Lagane, S. Subramanian, C. Kumar et al., , p.855

J. J. Braun, Chemical groundwater outputs from a small drainage watershed: Mule Hole, p.856, 2011.

, South India. Appl. Geochem, vol.26, pp.94-96

M. Méheut, M. Lazzeri, E. Balan, and F. Mauri, Equilibrium isotopic fractionation in, 2007.

, kaolinite, quartz, water system: prediction from first-principles density-functional theory

J. Meunier, J. Riotte, J. Braun, S. Muddu, F. Chalié et al., Controls 863 of DSi in streams and reservoirs along the Kaveri River, South India. Sci. Tot. Env, vol.502, p.113, 2015.

J. Meunier, D. Barboni, M. Anwar-ul-haq, C. Levard, P. Chaurand et al.,

R. , L. , R. , J. Keller, and C. , Effect of phytoliths for mitigating water 867 stress in durum wheat, New Phytol, vol.215, pp.229-239, 2017.

N. Nguyen, S. Dultz, F. Picardal, A. Bui, Q. Pham et al.,

N. Bui and H. , Simulation of silicon leaching from flooded rice paddy soils in the, vol.870, 2016.

. River-delta, . Vietnam, and . Chemosphere, , vol.145, pp.450-456

S. Opfergelt, G. De-bournonville, D. Cardinal, L. André, S. Delstanche et al., , 2009.

, Impact of soil weathering degree on silicon isotopic fractionation during adsorption onto iron 873 oxides in basaltic ash soils, Cameroon. Geochim. Cosmochim. Acta, vol.73, pp.7226-7240

S. Opfergelt, E. Eiriksdottir, K. Burton, A. Einarsson, C. Siebert et al.,

A. , Quantifying the impact of freshwater diatom productivity on silicon isotopes and 876 silicon fluxes: Lake Myvatn, Iceland. Earth Planet. Sci. Lett, vol.305, pp.73-82, 2011.

S. Opfergelt and P. Delmelle, Silicon isotopes and continental weathering processes: 878 Assessing controls on Si transfer to the ocean, C. R. Geoscience, vol.344, pp.723-738

S. Pati, B. Pal, S. Badole, and G. Hazra, , 2016.

Y. Growth and N. Uptake-of-rice, Commun. Soil Sci. Plant Anal, vol.47, pp.284-290

D. Piperno, Phytolith Analysis: An Archaeological and Geological Perspective, 1988.

K. Reddy, A. S. Mallikarjuna, and P. , Crop Coefficients of Some Selected 884 Crops of Andhra Pradesh, J. Inst. Eng. India Ser. A, vol.96, pp.123-130, 2015.

J. Riotte, J. Maréchal, A. S. Kumar, C. Bedimo, J. Ruiz et al.,

R. Tarak, . Varma-m-r-r, C. Lagane, P. Reddy, and J. Braun, Vegetation impact on 887 stream chemical fluxes: Mule Hole watershed (South India), Geochim. Cosmochim. Acta, vol.145, pp.116-138, 2014.

K. Sandhya, Biogeochemistry of silicon in different rice ecosystems of Karnataka, 2016.

N. Savant, L. Datnoff, and G. Snyder, Depletion of plant available silicon in soils: A 894 possible cause of declining rice yields, Comm. Soil Sci. Plant Anal, vol.28, pp.1245-1252, 1997.

S. Schabhüttl, P. Hingsamer, G. Weigelhofer, T. Hein, A. Weigert et al., , 2013.

, Temperature and species richness effects in phytoplankton communities, Oecologia, vol.171, pp.897-527

A. Seyfferth, B. Kocar, J. Lee, and S. Fendorf, Seasonal dynamics of dissolved 899 silicon in a rice cropping system after straw incorporation, Geochim. Cosmochim. Acta, vol.123, pp.120-133, 2013.

T. Shah, Groundwater Governance and Irrigated Agriculture, p.902, 2014.

, Global Water Partnership, Technical Committee (TEC).. 71p. (TEC Background Papers 19) 903

S. Sivapalan, Water Balance of Flooded Rice in the Tropics, Irrigation and Drainage, 2015.

,

S. Soumya, B. Sekhar, M. Riotte, J. Banerjee, A. Braun et al., Characterization of 908 groundwater chemistry under the influence of lithologic and anthropogenic factors along a 909 climatic gradient in Upper Cauvery basin, South India. Env. Earth Sci, vol.69, pp.2311-2335, 2013.

E. Struyf, A. Smis, S. Van-damme, J. Garnier, G. Govers et al., , p.911

O. Batelaan, E. Frot, W. Clymans, F. Vandevenne, C. Lancelot et al., , 2010.

, Historical land use change has lowered terrestrial silica mobilization, Nat. Comm, vol.1, p.129

L. Sun, L. Wu, T. Ding, and S. Tian, Silicon isotope fractionation in rice plants, an 914 experimental study on rice growth under hydroponic conditions, Plant and Soil, vol.304, pp.291-300, 2008.

,

Y. Sun, L. Wu, and X. Li, Experimental Determination of Silicon Isotope Fractionation 917 in Rice, PLoS ONE, vol.11, issue.12, p.168970, 2016.

N. Tyagi, D. Sharma, and S. Luthra, Determination of evapotranspiration and crop 919 coefficients of rice and sunflower with lysimeter, Agri. Water Manag, vol.45, pp.41-54, 2000.

F. Vandevenne, E. Struyf, W. Clymans, and P. Meire, Agricultural silica harvest: have 924 humans created a new loop in the global silica cycle? Frontiers in Ecology and the 925 Environment, vol.10, pp.243-248, 2012.

F. Vandevenne, L. Barão, B. Ronchi, G. Govers, P. Meire et al., , 2015.

, Silicon pools in human impacted soils of temperate zones, Global Biogeochem. Cycles, vol.29, p.928

F. Vandevenne, C. Delvaux, H. Hughes, L. André, B. Ronchi et al.,

J. Govers, G. Meire, P. Struyf, and E. , Landscape cultivation alters ? 30 Si signature in 931 terrestrial ecosystems, Scientific reports, vol.5, p.7732, 2015.

T. Zambardi and F. Poitrasson, Precise Determination of Silicon Isotopes in Silicate Rock 933, 2011.

, Reference Materials by MC-ICP-MS. Geostandards and Geoanalytical Res, vol.35, pp.89-99

K. Ziegler, O. Chadwick, A. White, and M. Brzezinski, ? 30 Si systematics in a granitic 935 saprolite, Geology, vol.33, pp.817-820, 2005.