مقارنة بين تأثير المحراثين المطرحي و القرصي باعماق مختلفة و بسرع مختلفة للساحبة في بعض الصفات الفيزيائية للتربة و حاصل الحنطة الموسمين 2004 و 2005

الملخص EN

The experiment was conducted to a companies the effect of between two plwo (moldboard plwo and disk plwo )of different with depth and tractor speed in some soil physical properties and yeild wheat two for season 2004 and 2005..

split unit with Randomized complete block design , with three replication 0.05was used in the study.

Two plows (mold board plow and disk plow) represent the main plot, three tillage depth (15,20and 25)cm represent sup- plot, and three tractors speed (L3,H1,H2)km\hr represent sup-sup plot, in some soil physical properties(soil mioistur, soil bulk density, soil total porosity and soil penetration resistance) and components(dry weight of root, number of seed in spike , weight of 1000speed and wheat yields) two for season studies 2003\2004and 2004\2005.

The experiment results showed the mold board plow was significant superior compared with disk plow in all study properties two for season studies..

Increase of tractors speed and tillage depth two for season studies .caused an increase in soil bulk density and soil penetration resistance.

but decrease soil mioistur , soil total porosity and all yield components two for season studies .The interaction between plows and tractor practical speed effect significant in some study properties, gave slow tractor practical speed(L3)4.248km\hr with plows in two for season studies .gave the best soil physical properties and best yield properties .but gave interaction between plows with three speed 6.932km\hr high some soil physical properties and less yield components two for season studies.

the interaction between tillage depth and tractor practical speed effect significant in some study properties two for season studies.

slow tractor practical speed(L3)4.248km\hr and tillage depth 15cm gave the best soil physical properties and best yield properties two for season studies.

The interaction between plows and tillage depth, effect significant in some study properties two for season studies, gave interaction between plows and tillage depth 15cm gave the best soil physical properties and best yield properties two for season studies .The interaction between plows with tillage depth and tractor practical speed, effect significant in all study properties two season studies.

gave The interaction between plows with slow tractor practical speed (L3)4.248km \ hr and tillage depth 15cm, the best soil physical properties and best yield properties, two for season studies.