Paper Information

Journal:   NEW FINDINGS IN AGRICULTURE   WINTER 2009 , Volume 3 , Number 2 (10); Page(s) 120 To 134.
 
Paper: 

EFFECTS OF IRRIGATION INTERVAL AND NITROGEN DEGREE ON DRY MATER YIELD AND WATER USAGE EFFICIENCY OF CORN IN MAZANDARAN PROVINCE

 
 
Author(s):  REZAEI SOKHT ABANDANI R.*, CHARATI ARAEI A., AKBARI NODEHI D., MOBASSER H., RAMEZANI M.
 
* ISLAMIC AZAD UNIVERSITY, QAEMSHAHR BRANCH, IRAN
 
Abstract: 

In order to study irrigation interval effects and various using Nitrogen on yield of corn (K.Sc 704) was accomplished during 2008-2009. The experiment was carried on as split plot based on RCBD with 3 replications in Bayekola research farm of agricultural research campus in Neka in Mazandaran province. Traits were selected as irrigation interval are in four levels (I1 , I2 , I3 and I4 respectively as 75, 100, 125 and 150 mm accumulation evaporation of evaporation pan A class) as maim plot and three levels of Nitrogen (0, 92 and 184 kg Nitrogen that respectively substitute zero, 200 and 400 kg urea in hectare) as sub plots. Results showed that minimum of dry mater weight and yield was related to 150 mm evaporation of evaporation pan A class. The maximum forage yield and water usage efficiency obtained in I3. Bush height, dry weight in square meter, corn length, wet forage weight in hectare, efficiency of water usage, efficiency of dry material water usage, percent of water than dry weight and efficiency of water usage was largest 184 kgN/ha and lowest degree was gained under treatment without usage of called characteristics Nitrogen. Maximal of water percent than dry weight, efficiency of dry material water and maximal of water usage biological efficiency according to production of evaporation pan Aclass was gained with usage of 184 kgN/ha, maximal efficiency of water usage with 150 mm evaporation of evaporation pan a class was gained with usage 184 kgN/ha.

 
Keyword(s): FORAGE CORN, IRRIGATION INTERVAL, NITROGEN, WATER USAGE EFFICIENCY, DRIED MATER YIELD
 
References: 
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