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Abstract
This study was conducted farm Faculty of Agriculture, Kafr El-Sheikh University Tntakhlal seasons of 2002 and 2003 to study the effect of integration between chemical and biological fertilizers on rice category Sakha 104, and study consists of two parts as follows:
First: response class Sakha 104 rice to potassium fertilization and bio-fertilizer combinations and nitrogen fertilizer.
Two field experiments were conducted in seasons 2002/2003 and use the split plot design implementation was distributed potassium fertilization levels in the main plots and sources of nitrogen fertilizer (chemical and biological) in pieces Alhqihashoaúaa AS FOLLOWS:
A - levels of potassium fertilization (main plots):
1 - without fertilization potassic
2 - 48 kg Bo 2a / acre in the form of potassium sulfate (48% K2O a)
B - sources of nitrogen fertilizers (naughty pieces):
Was used ten transactions is a combinations among the bio-fertilizers and nitrogen fertilizer Alkimary in the form of urea.