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Low concentrations of nitrate and ammonium stimulate nodulation and N₂ fixation while inhibiting specific nodulation (nodule DW g^-1 root dry weight) and specific N₂ fixation (N₂ fixed g^-1 root dry weight) in soybeanYINBO GAN; STULEN, Ineke; VAN KEULEN, Herman et al.Plant and soil. 2004, Vol 258, Num 1-2, pp 281-292, issn 0032-079X, 12 p.Article

Designing a target-tree for maximizing gross value of product in patagonian sweet cherry orchardsDANIEL CITTADINI, Eduardo; VAN KEULEN, Herman; LUIS PERI, Pablo et al.International journal of fruit science. 2006, Vol 6, Num 3, pp 3-22, 20 p.Article

A method for assessing frost damage risk in sweet cherry orchards of South PatagoniaCITTADINI, Eduardo Daniel; DE RIDDER, Nico; PERI, Pablo Luis et al.Agricultural and forest meteorology. 2006, Vol 141, Num 2-4, pp 235-243, issn 0168-1923, 9 p.Article

Measuring the accuracy of agro-environmental indicatorsMAKOWSKI, David; TICHIT, Muriel; GUICHARD, Laurence et al.Journal of environmental management. 2009, Vol 90, issn 0301-4797, S139-S146, SUP2Article