اعلانات هامة

Field experiment was conducted during the growing season (2010 - 2011) and (2011 - 2012) in Agricultural Research Center of the province of Deir al- Zour to find out the impact of the number of irrigation and fertilization two elements phosphorus and zinc in some chemical properties of soil and grain yield of maize ( Variety Ghouta - 82 ), experiment carried out using the method of sectors under the dissident occupied the main plots of irrigation, and fertilization rates of the phosphate blocks (dissident) and fertilization rates of zinc cut under the dissiden. The most important results of average seasons : 

1 - Increase the number of irrigations led to a decrease in the average values electrical conductivity of saturated paste extract (EC) in the depth (0-20) cm. And add excelled treatment of phosphorus and zinc at rate (Zn5 P150 ) increase in the value of the same indicator is small compared with the rest of the transactions during the two phases form filaments Aernos wax and maturity. 

2- Achieved given the treatment ( 9 ) irrigations and add phosphorus and zinc at rate ( Zn5 P150 ), a higher rate increase in the average weight (100) grain and grain yield compared with the rest of the transactions 

3 - The existence of significant differences in weight (100) grain and grain yield, and the content of maize leaves of phosphorus and zinc. It was also noted the lack of significant differences in the average values of electrical conductivity of saturated paste extract (EC) resulting from the impact of irrigation and add different fertilizer phosphorus , zinc , and interact with each other during the two phases filaments Aernos wax and maturity