Role of tractors, tubewells and plant breeding in increasing cropping intensity in Pakistan's Punjab

✍ Scribed by Khaleel Tetlay; Derek Byerlee; Zulfiqar Ahmad

• Book ID: 113291994
• Publisher: Elsevier Science
• Year: 1990
• Tongue: English
• Weight: 925 KB
• Volume: 4
• Category: Article
• ISSN: 0169-5150
• DOI: 10.1016/0169-5150(90)90017-u