Effect of the added weight on the rear wheels and inflating pressure in agricultural Tractor type (New Holland 2WD) on the performance of Mold Board Plow in terms of some mechanical & physical properties of the soil

Volume 18 , Issue 1 , March 2016 , Pages 213-220

Authors

¹ Faculty of Agricultural Science-Sulaimani University, Bakrajo Street, Sulaimaniyah-Iraq

Experiment was conducted in one fields of Agricultural Sciences College in

Sulaymaniyah University with Silty-clay soil in order to study the effect of different

weights added to the rear wheels for agricultural tractor type New Holland 2WD,

with the effect of pressure bloating of rear wheels on the performance of triple Mold

Board in terms of some properties represented by: The amount of fuel consumption,

plowing practical speed, Slippage percent, soil penetration resistance, covered soil

volume, number of clods which have a diameter more than 10 cm. Split- plot design

used in this research under randomized complete block design RCBD, where added

weights factor on rear wheels wear put in the main plots represented by two levels

which are without weights and added weights by 100 kg per each rear wheel, While

bloating pressure factor of the wheels has been developed in sub plots by three levels

included 80, 100 and 120 Kpa. The results showed that the added weight had a

significant effect on all studded properties except of fuel consumed amount. While

bloating pressure factor of the wheels was significantly difference in the level 80 Kpa

on 100 Kpa level, which in turn significantly differs on the third level 120 Kpa in all

studied properties. As to the interaction between the factors, the weights 200 kg

factor with bulging pressure wheels 80Kpa recorded best significant effect on the

rest of interactions in all studded properties except in fuel consumed property which

the differences between the factors was In favor for the factor without weights with

the bulging pressure wheels 80 Kpa, as the results showed that there is no significant

differences between number of interactions for all studded properties in the

experiment except soil penetration resistance property, where was significant

differences between its levels.

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