Million Whys Press logo
Million Whys PressToronto
← Book 15 videos

Book 15, Question 84 · Video

Why Do Farm Robots Drive Along the Crop Rows?

Video · 1:54 · Crafty Clover explains, from A Million Whys Book 15

Farm robots drive along crop rows to avoid stepping on the plants! They use GPS and cameras to follow very straight lines. Staying in the lines protects the crops.

Read the full answer →

What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. Why do farm robots drive along the crop rows?

The Big Idea

Farm robots drive along crop rows to avoid stepping on the plants! They use GPS and cameras to follow very straight lines. Staying in the lines protects the crops.

Find the Rows

Step one: find the rows. Farm robots use GPS and cameras to drive very straight lines along the crop rows. They know exactly where the plants are.

Between Plants

Step two: drive between plants. The robot rolls in the gaps between rows, so it never stomps the plants. Light robots also press the soil down less than heavy tractors do.

Care for Crops

Step three: do the job. Some robots remove weeds with tiny tools. Others check each plant's health and send the news to the farmer.

A Closer Look

Let's take a closer look! GPS tells the robot where it is in the field. The camera sees the plants and the rows. The robot rolls along the row, with wheels between the plants. A tiny tool pulls a weed, without harming the crop. Healthy soil and plants stay protected.

Quick Facts

Quick facts! GPS can be accurate to about a few centimeters on farms. Light robots can work when the soil is wet, when heavy tractors would sink. Some farm robots run on solar power. Wash your hands after playing in soil.

Think Like a Scientist

Now, think like a scientist! Plant bean seeds in a tray of soil in neat rows. Use a ruler and string to keep the lines straight. Why does a straight row make it easier for a robot to travel between the plants? Remember to water them.

Outro

Farm robots follow straight rows to protect the plants. Science is amazing! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

Why I wrote this