collapse

Advertisement


Author Topic: Using original bamboo tools to make water wheels for rice irrigation  (Read 1065 times)

Offline rickychen

  • Trade Count: (0)
  • Tracker
  • **
  • Join Date: Dec 2017
  • Posts: 41
  • Location: new yord
Rice is a cereal grain, it is the most widely consumed staple food for a large part of the world's human population, especially in Asia. Rice is normally grown as an annual plant, although in tropical areas it can survive as a perennial and can produce a ratoon crop for up to 30 years. Rice cultivation is well-suited to countries and regions with low labor costs and high rainfall, as it is labor-intensive to cultivate and requires ample water. However, rice can be grown practically anywhere, even on a steep hill or mountain area with the use of water-controlling terrace systems. Although its parent species are native to Asia and certain parts of Africa, centuries of trade and exportation have made it commonplace in many cultures worldwide.
The traditional method for cultivating rice is flooding the fields while, or after, setting the young seedlings. This simple method requires servicing of the water damming and channeling, but reduces the growth of less robust weed and pest plants that have no submerged growth state, and deters vermin. While flooding is not mandatory for the cultivation of rice, all other methods of irrigation require higher effort in weed and pest control during growth periods and a different approach for fertilizing the soil.
To lead water to the rice field, people usually use a machine called water wheel. It converts the energy of flowing or falling water into useful forms of power, often in a watermill. A water wheel consists of a wheel (usually constructed from wood or metal), with a number of blades or buckets arranged on the outside rim forming the driving surface. Most commonly, the wheel is mounted vertically on a horizontal axle, but can also be mounted horizontally on a vertical shaft, for example the tub or norse. Vertical wheels can transmit power either through the axle or via a ring gear and typically drive belts or gears; horizontal wheels usually directly drive their load.
To see how people cultivate rice and make water wheel, check out this video:
list=PLYKvmFgUQVBvsetPJYV2f2T4J6PGndNMv

 


* Advertisement

* Recent Topics

Let’s see your best Washington buck by high_hunter
[Yesterday at 10:31:08 PM]


Bearpaw Season - Spring 2024 by actionshooter
[Yesterday at 09:43:51 PM]


Walked a cougar down by MADMAX
[Yesterday at 08:31:53 PM]


Which 12” boat trailer tires? by timberhunter
[Yesterday at 08:22:18 PM]


Lowest power 22 round? by JakeLand
[Yesterday at 08:06:13 PM]


1x scopes vs open sights by JakeLand
[Yesterday at 07:29:35 PM]


Long Beach Clamming Tides by Encore 280
[Yesterday at 05:16:00 PM]


WTS Suppressors I Can Get by dreadi
[Yesterday at 03:30:33 PM]


SB 5444 signed by Inslee on 03/26 Takes Effect on 06/06/24 by Longfield1
[Yesterday at 03:27:51 PM]


Straight on by kentrek
[Yesterday at 03:04:53 PM]


2024-2026 Hunting Season Proposals by trophyhunt
[Yesterday at 01:51:40 PM]

SimplePortal 2.3.7 © 2008-2024, SimplePortal