@article{97f41d4399d04804a30ddbabacc4c951,
title = "The influence of soil steaming on some properties of the soil and on the growth and heading of winter glasshouse lettuce. III. The influence of nitrogen form, manganese level and shading studied in sand culture experiments with trickle irrigation.",
author = "G. Jager and \{van der Boon\}, J. and G.J.G. Rauw",
year = "1970",
doi = "10.18174/njas.v18i3.17339",
language = "English",
volume = "18",
pages = "158--167",
journal = "Netherlands Journal of Agricultural Science",
issn = "0028-2928",
publisher = "KLV",
number = "3",
}