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Paper Information

Journal:   DYNAMIC AGRICULTURE   SUMMER 2008 , Volume 5 , Number 2; Page(s) 133 To 153.
 
Paper: 

EFFECT OF ZINC AND BORON ON YIELD AND CONCENTRATION OF NITROGEN, PHOSPHOROUS AND POTASSIUM IN THE CORN GRAIN

 
 
Author(s):  AREF FARSHID*
 
* ISLAMIC AZAD UNIVERSITY FIROUZ ABAD BRANCH
 
Abstract: 
For the purpose of studying the effect of Zn and B fertilizers on the yield, concentration and uptake of N, P and K in the corn grain, a factorial experiment consisting of five levels of Zn (0, 15, 30 and 45 kg/ha Zn, as Zn solution spray) and four levels of B (0, 4, and 8 kg/ha as B, and B solution spray) in a completely randomized block design was conducted in three replications during 2002 in Fars Neyriz region of Iran,. A corn variety Single Cross 401 was the test crop. The effects of Zn and B on N, P and K concentration in the grain were insignificant. Application of Zn and B in all levels increased uptake of N and K in the grain.
Application of Zn, only to the soil, increased P uptake in the grain. The use of 4 kg/ha and spraying of boric acid, increased P uptake by the grain. The lowest grain uptake of N, P and K were seen at no Zn and B levels. A high Zn content in the soil helped increasing the concentration and uptake of N in the grain by B application. Therefore, at high levels of Zn, there was a synergism between B and N. Boron spraying helped with increasing the concentration and uptake of N in the grain by Zn application. Boron application at low Zn levels had no effect on P and K concentration in the grain, but at high Zn level, increased P and K concentration in the grain. Boron use had no effect on K uptake by the grain at any level of the Zn, but at high Zn levels, it increased P grain uptake. High level of Zn in the soil helped with increase in P and K concentration as well as P grain uptake by B application.
 
Keyword(s): CORN GRAIN, NITROGEN, PHOSPHOROUS, POTASSIUM, ZINC, BORON
 
References: 
  • ندارد
 
  Persian Abstract Yearly Visit 66
 
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