In case 1 unused land is available and mechanization leads to output growth-the more so, the higher the elasticity of final demand. The best example is the United States in the second half of the century: an impressive horse-based mechanization led to massive agricultural growth because land was rapidly opened up and export markets in Europe provided a highly elastic demand for agricultural products. Milling, threshing, chopping, sugarcane crushing, pumping of water, and the like are extremely power-intensive but need little control. Moreover, both stationary and mobile sources of power can be used for them.
Weed control is vital to agriculture, because weeds decrease yields, increase production costs, interfere with harvest, and lower product quality. Weeds also impede irrigation water-flow, interfere with pesticide application, and harbour disease organisms.
Even when oilseeds (esterified, partially refined or crude) are used as diesel fuel extenders, the economic difficulty still persists and will continue until such time as diesel oil supplies begin to dwindle or until a more appropriate substitute fuel (renewable or nonrenewable) should emerge. Should diesel fuel supplies run out and an appropriate substitute fuel fail to emerge, tractors and other engine-driven equipment could convert to spark-ignition engines. These are more versatile in terms of fuel use (e.g. renewable alcohol, as well as nonrenewable hydrocarbons) even if less suited to the heavy workloads in agriculture.
By 1852 the number of threshing machines in France had already reached nearly one-third of its peak 1929 level, though they spread more slowly in Germany. Except for some animal-drawn primary tillage, stationary machines for powerintensive operations preceded all other forms of mechanization in Japan. In South Asia animals have long driven Persian wheels, sugarcane crushers, and oil crushers.Sowing seeds with a tractor can be an efficient and effective way to plant crops. Here are the basic steps for sowing seeds with a tractor:
Choose the right equipment: You will need a tractor with a seed drill attachment or a planter attachment. You will also need the correct type of seeds for your crop and the soil conditions in your field.
Prepare the field: Before planting, you will need to prepare the field by clearing any debris, tilling the soil, and leveling the ground as needed.
Set the seed drill or planter: Adjust the seed drill or planter to the correct seed rate and spacing for your crop. Make sure the seed hopper is filled with seeds, and check that the drill or planter is functioning properly.
Start planting: Begin planting by driving the tractor in straight rows across the field. The seed drill or planter will automatically deposit the seeds into the ground as you go. Make sure to follow the recommended planting pattern for your crop.
Monitor and maintain: As you plant, monitor the seed drill or planter for any issues, and make adjustments as needed. After planting, you may need to perform additional tasks such as fertilizing or irrigating to ensure that the seeds have the best chance of germinating and growing.
By following these steps, you can efficiently and effectively sow seeds using a tractor.