Effect of nitrogen fertiliser on the nitrate contents of field vegetables grown in Britain
β Scribed by Duncan J. Greenwood; John Hunt
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 634 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0022-5142
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Two cultivars each of spinach, lettuce, cabbage, squash, and cauli#owers, as well as one cultivar of parsley were grown in open "elds. In addition, two cultivars each of squash, cucumber, and tomatoes were grown in polypropylene-covered greenhouses. The e!ects of cultivar and harvest date on the nit
## Abstract In a field experiment where sulphate of ammonia was applied in April at 0, 2, 4, 6, 8 and 12 cwt. per acre to three grass mixtures which were cut for silage in early June, the nitrateβN content of the herbage was detectable at the 4βcwt. level and considerable at the 12βcwt. level. A cl