@book{95fc75689d8e4a9bbdf1350bf31a694b,
title = "Plant density in relation to tulip bulb growth",
keywords = "tulipa, tulpen, bloembollen, plantdichtheid, tulipa, tulips, ornamental bulbs, plant density",
author = "{van der Valk}, G.G.M. and M.J.G. Timmer",
note = "Overdr.: Scientia horticulturae 2 (1974) p. 69-81",
year = "1974",
language = "English",
series = "Technical bulletin / Institute for Land and Water Management Research",
publisher = "Institute for Land and Water Management Research",
number = "no. 89",
}