Effects of Organic Manure Application from Different Sources and Amounts on Wheat Yield and its Component

Document Type : Research Paper

Author

Scientific Member of Khouzestan Agriculture Research Center and Natural Resources,

Abstract

Investigation of over 5000 soil samples of wheat fields in Khuzestan province showed that the amount of organic carbon (OC) is less than 1% in more than 80% of the fields. Application of organic manures is important to increasing of soil organic matters and wheat production. Therefore, a trail has been carried out for five years consecutively by split plot experiment design with two factors in permanent plots in the Shavoor Agriculture Research Station on the north of Ahwaz city. Main factors were kinds of manure, including: cattle and hen manures, filtercack and baggass of sugarcane and wheat straw which compared with a control (without any organic manures) and subplots were amounts of manure, including: 2.5, 5 and 10 t/ha. At first, manures were scattered on soil surface of each plot and then, mixed with topsoil by disc. The results showed that the best treatments to increase wheat yield and its components are filtercack, cattle and baggass of sugarcane, respectively. Also, the most suitable amount of manure is 2.5 t/ha, because there was no significant different between treatments. It is recommended that some organic manure apply together, for example, filtercack with baggass and cattle or hen manure with wheat straw.

Keywords

References

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Iranian Journal of Soil Research
Volume 20, Issue 2
February 2007
Pages 205-212

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