H. Van Keulen

Introduction: Water for Food and Ecosystems: How to Cut which Pie?

J. F. Warner, P. S. Bindraban, H. Van Keulen, 2006 .

Agro-Ecological Indicators (AEIs) for Dairy and Mixed Farming Systems Classification: Identifying Alternatives for the Cuban Livestock Sector

H. Van Keulen, F. R. Funes-Monzote, H. Keulen, 2009 .

Exploring the potential for improved internal nutrient cycling in dairy farming systems, using an eco-mathematical model

W.A.H. Rossing, H. Van Keulen, W. Rossing, 2003 .

Modelling the quantitative evaluation of soil nutrient supply, nutrient use efficiency, and fertilizer requirements of wheat in India

H. Van Keulen, H. Keulen, R. Roetter, 2003, Nutrient Cycling in Agroecosystems.

Nitrogen management on experimental dairy farm ‘De Marke’; farming system, objectives and results

H. Van Keulen, H. van Keulen, J. Oenema, 2001 .