Astana 2012

S.Seifullin Kazakh Agro-Technical University

Technical faculty

Department of Agricultural and post-harvesting Machines

LABORATORY WORK

) on subject) on subjecton subject «Adjustment and linkage of Agricultural machines»

Theme: Ploughs

Astana 2012

Authors: Yeskhozhin К. – Candidat of Techical Sciense, Associate Professor of the Department of Agricultural and post-harvesting Machines.

Educational-methodical __________ is designed for training on discipline "Fundamentals of tractors" for students on specialty 5B080600 - "Agricultural techniques and technology"

Educational-methodical instructions are made according to the working curriculum of specialty.

Methodical instructions are intended for students of specialties 5В080600 – « Agricultural techniques and technology» and includes laboratory occupation tasks and independent work, educational literature lists and control questions for self-examination.

Reviewers: Doctor of Technical Science, Professor S.O. Nukeshev;

Reviewed and recommended at a meeting of the Department of Agricultural and post-harvesting Machines.

Protocol № ___, of "__" ___________ 2012.

Reviewed and recommended at a meeting of the methodical commission of Technical Faculty.

Protocol № ___, of "__" ___________ 2012.

Purpose of the work:

1. To study the construction of plough and its important functions.

2. To study the construction of plough components and its functions.

3. To study the body types of ploughs.

4. Controls and adjustments

5. Ploughing systems

6. Subsoilers

The plough is a primary cultivation tool which has been used in its various forms for many centuries as the first step in seedbed preparation. The main aims of ploughing include:

• Complete burial of surface trash, crop residues and farmyard manure.

• Improvement of drainage and air movement through the soil.

• Restoration of soil structure damaged by heavy farm machinery.

Leaving the land in a condition which permits production of seedbeds with the minimum number of passes with cultivation machinery.

Primary tillage implements are generally used on uncultivated land or after the harvest of the previous crop to break down the soil and incorporate plant residues. Implements used for primary tillage are ploughs, subsoilers and e.c.

Plowing is still the most common primary tillage operation carried out after harvesting a crop. Implements used for plowing are moldboard plows, disk plows, chisel plows and rotary plows.

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