Comparison of Different Tillage practices among various Wheat Varieties
Journal Title: Applied Science Reports - Year 2013, Vol 4, Issue 2
Abstract
Sowing of wheat in residual moisture through zero tillage technology not only facilitates the germination but also improves the soil fertility, soil physical properties and saves time hence increases net return on sustained basis. It causes minimal disturbance of soil structure and texture ultimately increases size of soil aggregates. Zero-tillage also reduces the cost of production and saves time for sowing of wheat by 10 -15 days as compare to conventional tillage. The minimum tillage and direct drilling system is energy and cost saving and environmentally friendly reducing the soil pollution as compared to conventional tillage practices. In case of conventional tillage system thermal conductivity, bulk density and compaction of soil increases due to use of heavy agricultural machinery which reduces infiltration rate, soil porosity and plant growth.Zero tillage is superior over conventional tillage because higher yield were recorded on zero tillage farms than that of conventional tillage wheat farms in addition to its edge of eco-friendly practice. Little amount of plant residue changing into microbial mass in case of conventional tillage system, because tillage increase the CO2 emission from soil which badly disturbs and slows down the microbial activity. Seed placement is important for its suitable germination and nutrients absorption. In case of deep placement most of the seeds remains dormant due to less availability of oxygen and sunlight, ultimately recommended population cannot be attained. In zero tilled field placement of seed is ensured at proper depth with zero-tillage drill. Zero tillage technology can help to reduce the weed infestation and also enable timelyseeding of the wheat crop. Zero till wheat is being introduced to avoid late planting and poor land preparation. It ensures timely planting, better stand establishment and higher grain yield than conventional method. It also saves 30% on irrigation and land preparation costs.
Authors and Affiliations
Perviz Ahmad, Muhammad Hussain, Sarfraz Ahmad, Muhammad Ahmad Raza Tabassam, Imran Shabbir
Keywords
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