首页   按字顺浏览 期刊浏览 卷期浏览 Effect of nitrogen nutrition and global radiation on yield and nitrate content of lettu...
Effect of nitrogen nutrition and global radiation on yield and nitrate content of lettuce grown under glass

 

作者: J.P.N.L. Roorda van Eysinga,   M.Q. van der Meijs,  

 

期刊: Communications in Soil Science and Plant Analysis  （Taylor Available online 1985）
卷期: Volume 16, issue 12  

页码: 1293-1300

 

ISSN:0010-3624

 

年代: 1985

 

DOI:10.1080/00103628509367687

 

出版商: Taylor & Francis Group

 

关键词: glasshouse lettuce;nitrogen fertilisation;nitrate content;global radiation

 

数据来源: Taylor

 

摘要:

Eleven trials with lettuce (Lactuca sativaL.) different rates of ammonium nitrate limestone (0–2.6 kg N/100 m2) were carried out in commercial glasshouses. The objectives of the study were to find the optimum nitrogen dressing for maximum production or a suboptimum of not less than 90% of maximum production, in combination with a crop nitrate content not exceeding the official limit.

 

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