Paper Information

Journal:   IRANIAN JOURNAL OF FIELD CROPS RESEARCH   2004 , Volume 1 , Number 2; Page(s) 179 To 190.
 
Paper:  EVALUATION OF WEED POPULATION IN DIFFERENT CROP ROTATIONS AND FALLOW TREATMENTS
 
Author(s):  KHARGAHANI F., RASHED M.H., NASIRI M.
 
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Abstract: 

Weed population of bean, corn, suger beet and fallow treatments were studied following three years of crop rotation of fallow- corn- winter barley in a completely randomized design arrangement with four treatments and four replications per treatment during 2002 growing season. The treatments under study were included of four following rotations: Fallow, corn, barley, corn., Fallow, corn, barley, bean., Fallow, corn, barley, sugerbeet., Fallow, corn, barley, fallow. Population density and species diversity of weed seedlings within quadrat mounted in each plot were studied four times during growing season for each rotation treatments. The results indicated that crop species indirectly influenced on weed population obtained from soil seed bank. Therefore, the average weed seedlings density presented within crop rotation treatments were significantly different from fallow treatment. The effect of crop on weed seedling germination, produced from seedbank indicated that using a crop following fallow, corn and barley resulted in reduction of weed seedling during growing season.

 
Keyword(s): WEED POPULATION, CROPS SPECIES, WEED SEED BANK, SEED DENSITY, WEED DYNAMICS
 
References: 
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