Effects of direct drilling and ploughing on root distribution in spring barley, and on the concentrations of extractable phosphate and potassium in the upper horizons of a clay soil

✍ Scribed by Malcolm C. Drew; Leslie R. Saker

• Publisher: John Wiley and Sons
• Year: 1978
• Tongue: English
• Weight: 405 KB
• Volume: 29
• Category: Article
• ISSN: 0022-5142
• DOI: 10.1002/jsfa.2740290302