Check all that apply.

What were some innovations in farm machinery that led to improved results in agriculture in the Great Plains?

grain drill

self-winding watch

tractor

twine binder

steel plow

steam-powered reaper (combine)

cotton mill

The innovations in farm machinery that led to improved results in agriculture in the Great Plains were:

- Grain drill
- Tractor
- Twine binder
- Steel plow
- Steam-powered reaper (combine)

Among the given options, the innovations in farm machinery that led to improved results in agriculture in the Great Plains include:

1. Grain drill: The grain drill was an important innovation in planting crops, allowing farmers to sow seeds at a controlled and consistent rate, resulting in better crop yields.

2. Tractor: The introduction of tractors revolutionized farming on the Great Plains by replacing animal power with mechanical power. Tractors increased efficiency in plowing, planting, and harvesting.

3. Twine binder: The twine binder was a machine that automatically tied bundles of harvested crops, such as wheat or hay, with twine. It made the process faster and more efficient, allowing farmers to handle larger quantities of crops.

4. Steel plow: The steel plow was an innovation that helped break through the tough sod and soil found in the Great Plains. It made plowing easier and more effective, enabling farmers to cultivate larger areas of land.

5. Steam-powered reaper (combine): The steam-powered reaper, also known as a combine, was a significant innovation in harvesting. It combined the tasks of cutting, threshing, and cleaning the harvested crops, streamlining the process and increasing productivity.

The self-winding watch and cotton mill, although important innovations in their respective fields, are not directly related to agricultural improvements on the Great Plains.

To determine which options were innovations in farm machinery that led to improved results in agriculture in the Great Plains, let's take a look at the list of options provided:

1. Grain drill: A grain drill is a machine used for planting seeds in rows at a consistent depth and spacing. It was an innovation that helped improve the efficiency and accuracy of seed planting.

2. Self-winding watch: While a self-winding watch is a technological advancement in timepieces, it is not related to farm machinery or agriculture in the Great Plains.

3. Tractor: The invention of the tractor revolutionized farming and had a significant impact on agriculture in the Great Plains. Tractors replaced animal-powered equipment and increased the speed and efficiency of various farming tasks, such as plowing, planting, and harvesting.

4. Twine binder: A twine binder, also known as a hay binder, is a machine used to bind crops, such as wheat or hay, into bundles. It was an important innovation as it improved the efficiency and speed of harvesting crops.

5. Steel plow: The steel plow is another innovation that greatly improved agriculture in the Great Plains. It allowed farmers to break through the tough, compacted soil of the region more effectively than earlier plows, which were made of wood or iron.

6. Steam-powered reaper (combine): The steam-powered reaper, also called a combine, was a significant innovation that revolutionized grain harvesting in the Great Plains. It allowed farmers to harvest and thresh grain more efficiently, automating a labor-intensive process.

7. Cotton mill: While cotton mills were part of the agricultural industry in the Great Plains, they are not innovations in farm machinery. Cotton mills are facilities where raw cotton is processed into finished textiles.

From the options provided, the innovations in farm machinery that led to improved results in agriculture in the Great Plains are the grain drill, tractor, twine binder, steel plow, and steam-powered reaper (combine).