Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCE (UNIVERSITY OF TABRIZ)   SPRING 2012 , Volume 22 , Number 1; Page(s) 117 To 126.
 
Paper: 

THE EFFECTS OF DIFFERENT PLANTING TIME OF COVER CROPS AND MEDICAL PLANT ON GRIAN YIELD AND YIELD COMPONENTS OF MAIZE AND WEED BIOMASS

 
Author(s):  YEGANEHPOOR F.*, ZEHTAB SALMASI S., VALIZADEH M.
 
* UNIVERSITY OF TABRIZ, IRAN
 
Abstract: 

In order to study different times of cultivating and type of medical and cover plants on performance and weed biomass of corn (single cross 504), the experiment was carried out in 2010-2011 in research farm of the agriculture faculty of university of Tabriz. The experiment was carried out in a factorial arrangement with the base of randomized complete block design in three repetications. The treatments of this experiment included type of medical and cover plant in 4 levels (Clover, hairy vetch, basil and dill) as first factorial and time of cultivating cover and medical plant in tow levels (synchronic cultivation with corn and cultivation 15 days after corn cultivation) as second factorial. The results showed that the ear height, the number of grain row per ear and yield of grain lied under effect of the time of cultivation and the type of cover plants as the highest amount of these traits were seen in treatment of the corn with clover and the lowest amount were seen in the treatment of the corn with dill. Treatment composition of cover plant × the time of cultivation on ear diameter and weight of 100 grain was significant and in both traits, ear diameter and weigh of 100 grain, the treatment of synchronic cultivation of corn with clover and the treatment of dill with 15 days delay in comparison of the cultivation of corn had the highest and lowest amount, respectively. Also, the highest weed biomass was seen in dill treatment with 15 delay than corn cultivation and the lowest amount was seen in synchronic cultivation of clover with corn.

 
Keyword(s): CORN, MEDICAL CROPS, COVER CROPS, YIELD, WEED
 
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