1, the rooting depth of a wheat is generally about 2 meters, and the deepest part can reach 4 meters.

2. A rye has 6.5438+0.4 million small roots with a length of 623.27 kilometers.

Spatholobus suberectus is the longest plant in the world, which can reach 300-400 meters.

The thickest tree in the world is a chestnut tree called "White Horse Tree", with a circumference of 55 meters.

5. A giant Chinese fir in America, with a height of142m, a diameter of12m and a trunk circumference of 37m.

6. The roots of watermelon and pumpkin are 5 meters away from the main stem.

The magical golden ratio:

Observing the hub flower of sunflower, we can draw many spirals extending from the center of the disc to the outer ring. There are 265,438+0 right spirals (shown as dark blue) rotating from left to right, and 65,438+03 left spirals (shown as light blue) rotating from right to left, so 265,438+0 divided by 65,438+03 equals 65,438+0.66538.

Pine cone, left hand 13, right hand 8, 13/8= 1.625, close to the golden ratio 1.6 18.