1.

RELATIONSHIP BETWEEN NITRIFICATION INHIBITORS AND MANY OF ACETYLENIC COMPOUNDS IN SOILS

Pages 1527-1538
S. A. M. EI-Sayed
2.

ALLEVIATION OF NICKEL TOXICITY BY NITROGEN ADDED TO MAIZE (Zea mays L.) PLANTS

Pages 1539-1550
S. A. M. EI-Sayed
3.

EFFECT OF WATER REGIME, NITROGEN LEVEL AND ZINC APPLICATION ON MAIZE YIELD AND ITS WATER RELATIONS

Pages 1563-1572
M.A. Ghazy
4.

THE PROTECTIVE EFFECT OF ASCORBIC ACID AGAINST TOXICITY INDUCED BY CHLORPYRIFOS AND CYPERMETHRIN ON ACETYLCHOLINESTERASE, TRANSAMINASES AND PHOSPHATASES ACTIVITIES IN ALBINO RATS.

Pages 1573-1587
Samia M.l. Khalil; K. Weshah; W. EI-Sayed
5.

INFLUENCE OF NITROGEN SOURCES ON GROWTH, YIELD, SOME MACRO AND MICRONUTRIENTS CONTENT OF MAIZE PLANT (Zea mays, L.) IN SALT AFFECTED SOILS

Pages 1589-1602
S.H. Sarhan; M.R. Mohamed; H.Z. Abd El-Salam; M.M.A. Bader
6.

DIRECT AND RESIDUAL EFFECTS OF MIXING THE ADDED COMPOST TO A CALCAREOUS SOIL WITH SULPHUR AND PHOSPHORUS: 1- ON CROP YIELDS AND SOME SOIL PROPERTIES

Pages 1603-1614
M.G. Rehan; A.H. EI-Sayed; M. M. Hassan; M. A. Negm