| تطور مساحة
وإنتاج وغلة الحبوب 1990,1980,1970-2011 |
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| Development of area, production and yield of
cereals 1970,1980,1990,2011 |
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| المساحة : ألف هكتار | الانــتاج : ألف طن | الـغـلـة : طن/ه | ||
| Area: 1000 hectare | production: 1000 ton | Yield: ton / ha | ||
| السنوات | مساحة | إنتــاج | غلـــة | |
| Years | Area | Production | Yield | |
| 1970 | 2502 | 885 | 0.4 | |
| 1980 | 2700 | 3883 | 1.4 | |
| 1990 | 4138 | 3100 | 0.7 | |
| 1991 | 3569 | 3289 | 0.9 | |
| 1992 | 3723 | 4360 | 1.2 | |
| 1993 | 3624 | 5386 | 1.5 | |
| 1994 | 3519 | 5392 | 1.5 | |
| 1995 | 3680 | 6093 | 1.7 | |
| 1996 | 3249 | 5989 | 1.8 | |
| 1997 | 3413 | 4322 | 1.3 | |
| 1998 | 3342 | 5270 | 1.6 | |
| 1999 | 3071 | 3300 | 1.1 | |
| 2000 | 3055 | 3510 | 1.1 | |
| 2001 | 3054 | 6919 | 2.3 | |
| 2002 | 2974 | 5930 | 1.9 | |
| 2003 | 3117 | 6223 | 1.9 | |
| 2004 | 3182 | 5278 | 1.7 | |
| 2005 | 3287 | 5627 | 1.7 | |
| 2006 | 3144 | 6297 | 2.0 | |
| 2007 | 3085 | 5007 | 1.6 | |
| 2008 | 2992 | 2683 | .9 | |
| 2009 | 2772 | 4735 | 1.7 | |
| 2010 | 3165 | 3898 | 1.2 | |
| 2011 | 2874 | 4825 | 9,4 | |