EFFECTIVENESS OF GYPSUM APPLICATION AND PLOWING IN IMPROVING SEVERELY DETERIORATED CLAY SOIL CHARCTERISTICS AND WHEAT GROWTH AT QAROUN LAKE SHORE LINE, FAYOUM GOVERNORATE

Document Type : Research articles.

Author

Soil and Water Department, Faculty of Agriculture, Fayoum University

Abstract

Wide areas of severely deteriorated lands at Quaroun Lake
shoreline have been left bare since a long time , although many attempts
were made to cultivate some parts but all failed. A field experiment was
carried out in a private field during the season 2014-2015 at the north of
Fayoum Governorate (about 200 m from Quaroun Lake, Sinours
District).Nine treatments were tested including the control, shallow and
deep plowing ( 20 and 60 cm ), application of 50% and 100 % of
estimated gypsum requirements and their combinations. Remarkable
decreases were found in the values of soil bulk density, ECe values,
soluble cations and anions, soil paste pH and removal sodium efficiency (
RSE). Values of total porosity, hydraulic conductivity, field capacity,
permanent wilting point, available water increased with soil deep plowing
and gypsum application. Also, grain and straw yields of grown wheat crop < br />were enhanced with soil deep plowing together with gypsum application
and leaching with required amounts of water in comparison with those of
the control treatment . Deep plowing with the application of 100 % of
estimated gypsum requirements resulted in the best improvement of both
soil characteristics and plant growth among all other treatments. Results
of the present experiment that was conducted in a private farm has
actually encouraged farmers of the studied area to start land reclamation
and cultivation of their lands that were left bare since a long time.

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Fayoum Journal of Agricultural Research and Development
Volume 32, Issue 1
January 2018
Pages 19-30

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