A Comparative Study of Conventional and Modified Tine Types of Subsoiler and Their Effect on Some Performance Characteristics

Yıl 2018, Cilt: 14 Sayı: 1, 47 - 55, 30.12.2018

Hussain Th. Tahır Nazat H. Jeejo Tariq H. Karım

Öz

The
current study was conducted at the experimental field, College of Agriculture,
University of Salahaddin in Erbil at Gerdarasha. Corn was selected as a
sensitive plant to soil compaction that was grown on a silty clay loam soil
texture during the summer and autumn. In this study a new design of tine was
provided, then machinery indicators and crop indices were evaluated and
compared to conventional one manufactured in Massey Ferguson Corporation. A
factorial experiment was conducted by using completely randomized block design
with split plot and three replications and Duncan test were used to compare the
means of treatment at 5%. The first factor was subsoil tillage depth at three
deepness of (20 – 25), (30 – 35), and (40 – 45) cm. The second factor included
type of tine (conventional and modified with wings).

The
summarized important points were: Draft force, effective field capacity and, soil
volume disturbance, they increased by depth increment. Furthermore, using
modified tine type illustrated greater records in contrast to conventional one.
Moreover, field efficiency was considerably affected by tine type. Better
results were considered by applying modified tine type. Meanwhile slippage
percentage was only affected by tillage depth that increased by depth
increment. Briefly, by comparison between two tine types, it was observed that
all plant indicators showed greater values by equipping the subsoiler with
modified tine, although, this superiority was not significant in some indices.

Anahtar Kelimeler

Subsoiler tine, draft force

Kaynakça

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