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Effect of sources and levels of organic matter on some soil physical properties and corn yield(Zea mays L | ||
| journal of al-qadisiyah for pure science(quarterly) | ||
| Article 1, Volume 10, Issue 3, 2010, Pages 59-76 PDF (0 K) | ||
| Author | ||
| Jabir I.AL-Hadithi | ||
| Abstract | ||
| The aim of this research were studied the effect of the sources and the levels of organic matter in some soil physical properties and corn yield. A field experiment was conducted during spring 2009 in the farms of the College of Agriculture /University of Baghdad in a Silty Clay Loam soil and classify in gratgroup (Typic Torrifluvent) . Three sources of organic matter were used as: sheep manure ,cow manure and dry alfalfa with four levels 8,16,24 and 32 ton.ha-1 in addition to the control treatment according to randomized complete block design and a split plot arrangement .The results were showed that the increasing of organic matter improved soil physical properties in level obvious at the 32 ton.ha-1 lead to low bulk density from 1.29 in control treatment to 1.15 Mg. m-3, increased of mean weight diameter form 617 to 1109 µ , increased of saturated hydraulic conductivity from 1.42 to 3.34 cm . hr-1 and decreased penetration coefficient from 191 to 134 Kpa .The corn yield was increased by addition of organic matter and the same level of 32 ton.h-1 was increasing in yield for the all sources of organic matter from 5.59 to | ||
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