IN ORDER TO EVALUATE THE POSSIBILITY CONTROL OF CAMEL THORN (ALHAGI PSEUDOALHAGI) IN FALLOW LANDS, TOW SEPARATE EXPERIMENTS WERE CARRIED OUT IN COMPLETELY RANDOMIZED DESIGN WITH THREE REPLICATIONS IN 2007 AND 2008 AT AGRICULTURAL AND NATURAL RESOURCES RESEARCH CENTRE IN YAZD (WITHOUT WATER STRESS) AND TAFT (WITH WATER STRESS). TREATMENTS OF BOTH EXPERIMENTS WERE INCLUDED 2, 4-D+MCPA AT 1, 1.5, 2.2.5 AND 3 LIT/HA, GLYPHOSATE AT 4, 4.5, 5, 5.5 AND 6 L/HA WITH AMMONIUM SULPHATE 2%, TANK MIXTURE OF 2, 4-D+MCPA AND GLYPHOSATE AT (1+4), (1.5+4.5), (2+5), (2.5+5.5) AND (3+6) LIT/HA WITH AMMONIUM SULPHATE 2%, CLOPYRALID AT 0.6 & 0.8 LIT/HA, BROMOXYNIL+MCPA AT 2 LIT/HA AND TWO CONTROLS WERE SHOOT CUT AND NON-CONTROL. THE RESULT SHOWED THAT, 2, 4-D+MCPA AT 2.5, 3 LIT/HA AND ALSO ALL TREATMENTS OF TANK MIXTURE OF 2, 4-D+MCPA AND GLYPHOSATE PLUS AMMONIUM SULPHATE 2%, WERE THE BEST TREATMENTS FOR CONTROLLING CAMEL THORN. CLOPYRALID IN SECOND YEAR, CONTROLLED COMPLETELY THIS WEED IN BOTH SITES. ALTHOUGH TREATMENTS OF GLYPHOSATE AND BROMOXYNIL+MCPA DID NOT HAVE SATISFACTORY EFFECT ON CONTROLLING CAMEL THORN IN THE FIRST YEAR, BUT IN THE SECOND YEAR, CAMEL THORN WERE CONTROLLED SUFFICIENTLY.