H. van Keulen

Some aspects of the role of organic matter in sustainable intensified arable farming systems in the West-African semi-arid-tropics (SAT)

N. de Ridder, H. van Keulen · Nutrient Cycling in Agroecosystems · 1990 · 181 citations

Agriculture, Soil Sciences, Sustainable Agriculture +14

Multiscale Methodological Framework to Derive Criteria and Indicators for Sustainability Evaluation of Peasant Natural Resource Management Systems

Santiago López‐Ridaura, H. van Keulen, M.K. van Ittersum et al. · Environment Development and Sustainability · 2005 · 161 citations

Social Sciences, Sustainable Agriculture, Sustainable Resource Management +17

Rare Cancers Europe (RCE) methodological recommendations for clinical studies in rare cancers: a European consensus position paper

Paolo G. Casali, Paolo Bruzzi, Jan Bogaerts et al. · Annals of Oncology · 2014 · 114 citations · Full text

Medicine, Clinical Sciences, Oncology +16

Nitrogen, phosphorus and potassium relations in five major cereals reviewed in respect to fertilizer recommendations using simulation modelling

N. van Duivenbooden, C.T. de Wit, H. van Keulen · Nutrient Cycling in Agroecosystems · 1995 · 74 citations

Agriculture, Agronomy, Soil Sciences +16

Nutrient balances at farm level in Machakos (Kenya), using a participatory nutrient monitoring (NUTMON) approach

L.N. Gachimbi, H. van Keulen, Elias Thuranira et al. · Land Use Policy · 2004 · 47 citations

Agriculture, Agronomy, Nutrition +16