@inbook{54f97a42fc12407ab890e092b05c1e64,
title = "Yields and yield determining factors: availability of nutrients and fertilizer use.",
author = "O. Boxman and B.H. Janssen",
year = "1990",
language = "English",
isbn = "9789067541725",
series = "Wageningen Agricultural University papers",
publisher = "Agricultural University",
number = "90-5",
pages = "73--99",
editor = "B.H. Janssen and J.F. Wienk",
booktitle = "Mechanized annual cropping on low fertility acid soils in the humid tropics : a case study of the Zanderij soils in Suriname",
}