Tillage is usually can be divided in two types primary and secondary. While primary tillage is needed to be done to open new fields, the primary purpose of secondary tillage is to restrict water movement from the surface layers. Different types of equipment are used in both tillage systems. Know more in detail about the Primary and secondary tillage. Primary Tillage Primary tillage is usually done after the last harvest as the first soil tillage or to open or turn new fields for sowing. It is generally performed when the soil has enough moisture to allow ploughing and strong enough to provide reasonable intensities of traction. Primary tillage is required immediately after the harvesting previous crop or at the start of the next rainy season. But in case if sufficient power is available on a farm some soil can be ploughed dry also. The Purpose of Primary Tillage is –
Implement used in Primary Tillage The most commonly used tillage implement in primary tillage system is the mould-board ploughs. In soil with hardpan layers, the fields have to be entirely saturated on a regular basis before tillage can be carried out. In soils with lighter texture such as sandy soil, tillage can be done as per the moisture levels under the field. In 2-wheel powered systems a disc plough with one-way discs and mould-board plough both are used. The disc plough are usually preferred in hard, rocky and rooted areas as it uses less power and can deal with any obstacles more easily. Three to seven disc and offset ploughs are also commonly used attached to a tractor in primary tillage system. Secondary Tillage After completing the primary tillage, secondary tillage is required give soil the final structure to prepare a perfect seedbed for sowing seeds. The Purpose of Secondary Tillage is
Implement used in Secondary Tillage Secondary tillage is usually lighter and less aggressive in comparison to primary tillage. The mold board plough, disc harrow and the rotovator are some commonly used equipment in secondary tillage. In some cases, where necessary, disc harrows are used in place of rotovators. Tined cultivators, offset disc ploughs, seven-disc ploughs and rotovator are also commonly used equipment in secondary Tillage system. Before planting seeds, normally when 2-3 secondary tillage round after primary tillage if soil needs more rounds will depend on multiple factors such as
Generally in most of the countries the primary and secondary tillage is done using tractor ploughs and the final seedbed is prepared using harrows.
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11/23/2023 02:15:22 am
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