No-tillage is defined as planting a crop with out plowing.
No-till farming is an agriculture techniques for growing crops or pasture without distrubing the soil through tillage
No- till or zero tillage also known as direct drilling.
In india no-till apptoach starts from 1960s by farmer of india.
There are certain reason why farmer are depending on zero till are as follow:-
1. Yield
No-till can increase yield because of higher water infiltration and storage capacity, and less erosion. Acc. To KFMA programms the yield per acre of corn soybean, wheat, and grain sorghum for no till farms has a higher yield than the average yield from other tillage practice for the same region and crop .
2. Profit
Some studies have found that no till farming can be more profitble in some case. It may reduce labour, fuel, irrigation, and machinery costs. The farmer can save higher amount of money from these reduces.
3. Environment
No-till improve the climate change in the atmosphere. No till improve the environment condition due to less gases released due to crop residue burning or ploughing.
According to 2003 study agriculture has released an estimated 78 billion metric tons of carbon in the last few centuries. Due to release of carbon dioxide and other gases cause global warming. No till farming also reduce the climate stress in the atmosphere.
4. Soil
No-till Improve soil properties and reduce soil erosion. No ploughing also help in less airborne dust. It maintain the soil moisture and improving the water retention intensity.
5. Water
Improve water retention i. e crop residue helps from natural precipitation and irrigation to infiltration the soil.
Reduce evaporation, conservation water. Evaporeation from tilling reduces the amount of water by around 1/3 to 3/4 inches.
6. Greenhouse gases
Acc. To 2003 study agriculture has released an estimated 78 billion metric tons of carbon in the last few centuries. The agricultrure preactice may realese 5% of the gases to the atmosphere that help in a climate change and cause global warming.
No till farming reduces nitrogen oxide emission by 40-70% depending on rotation.
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