Paper Information

Title: 

EVALUATION OF THE EFFECTS OF WHEAT RESIDUES AND DAY AND NIGHT TILLAGE ON WEED SUPPRESSION AND YIELD RESPONSE OF CORN (ZEA MAYS L.)

Type: PAPER
Author(s): MORADI TALEBBEIGI R.,EMAM Y.,EHSANJOO M.A.,PIRASTEH ANOSHEH H.
 
 
 
Name of Seminar: IRANIAN WEED SCIENCE CONGRESS
Type of Seminar:  CONGRESS
Sponsor:  ANKOMANE OLOME ALAFHAYE HARZE IRAN
Date:  2010Volume 3
 
 
Abstract: 

WHEAT RESIDUES APPLICATION AND CHANGE IN TILLAGE TIME ARE USUAL METHODS IN CONTROLLING WEEDS. TO EVALUATE THE EFFECTS OF WHEAT RESIDUE AND DIFFERENCE BETWEEN PLOW IN DAY AND NIGHT ON WEEDS DRY MATTER AND LEAF AREA, CORN DRY MATTER, CORN GRAIN YIELD, A STUDY WAS CONDUCTED IN 2008 AT DARAB AGRICULTURE COLLEGE, SHIRAZ UNIVERSITY. THIS EXPERIMENT WAS IN A SPLIT PLAT BASED ON RANDOMIZED COMPLETE BLOCKS DESIGN WITH FOUR REPLICATES. TILLAGE TIME WAS CONSIDERED AS MAIN PLOT IN TWO LEVELS; PLOW IN DAY AND PLOW IN NIGHT AND RESIDUE RATES WERE SUB FACTOR IN FOUR LEVELS; 0 (CONTROL), 25%, 50% AND 75%. THE RESULT SHOWED THAT THE TILLAGE TIME HAS SIGNIFICANT INCREASE EFFECTS ON CORN DRY MATTER AND CORN GRAIN YIELD AND WEEDS DRY MATTER, HOWEVER IT HAS NO SIGNIFICANT EFFECTS ON CORN LEAF AREA. THE EFFECTS OF RESIDUE ON CORN LEAF AREA, CORN DRY MATTER, CORN GRAIN YIELD AND WEEDS DRY MATTER WAS SIGNIFICANT. THE BEST RESIDUE RATE AND TILLAGE TIME WERE 50% AND TILLAGE IN NIGHT, RESPECTIVELY.

 
Keyword(s): RESIDUE, TILLAGE TIME IN DAY AND NIGHT, WEEDS AND CORN
 
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