Nitrate, ammonium and urea nitrogen as fertilizers for wheat and rye in a field experiment
In a five-year field experiment on a well-limed sandy soil five nitrogen fertilizers were compared. They were urea, ammonium sulphate, calcium nitrate, calcium ammonium nitrate and a mixture of ammonium sulphate and calcium nitrate. The crops in successive years were spring wheat, winter rye, winter...
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| Format: | Article |
| Language: | English |
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Scientific Agricultural Society of Finland
1978-07-01
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| Series: | Agricultural and Food Science |
| Online Access: | https://journal.fi/afs/article/view/71985 |