@inbook{1afb857c5ca148cebbbad21c3f45f549,
title = "Yields and yield determining factors: relationships between water and nutrients.",
author = "O. Boxman and B.H. Janssen and R.L.H. Poels",
year = "1990",
language = "English",
isbn = "9789067541725",
series = "Wageningen Agricultural University papers",
publisher = "Wageningen Agricultural University",
number = "90-5",
pages = "99--106",
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",
address = "Netherlands",
}