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rice's importance.Rice is the seed of a plant in the genus rice found in Asia. Rice is a cereal which is an important food consumed world population, especially in Asia. From the year 2553 (2010) rice is a cereal which is the second most planted all over the world. Rice is the most important cereal in nutrition and calories is because the majority of corn grown in other purposes, not to humans consuming these. Rice accounted for more than one-fifth the energy that human beings around the world consume
.Genetic evidence shows that the rice planted on approximately 8200 – 13,500 years ago. In the Zhujiang River Valley region of China earlier. Archaeological evidence that rice has been planted in the Yangtze River Valley in China. Rice spread from East Asia to South-East Asia and South Asia. And European colonies seized over America
Normally, planting rice, a year-on-year thanks to the tropical khaosamarot live for many years and was able to keep it up (ratoon) for 30 years, the khaosamarot have grown up to 1-1.8 m depending on species and abundance of Earth's core. There is a 50-taper – 100 cm wide and 2.5 cm hanging flowers bouquet 2-length 30-50 cm long, edible beans, grains, as a result, 5 – 12 mm thick and 2-3 mm
.Oryza sativa-rice varieties planted in general
all countries. Rice, Oryza sativa types are also excluded as there are many plantations in indica-
hot
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khetopun are grown in japonica-Javanica seed preference share
.Can be divided into two types of rice, and sticky rice, which have the same characteristics, but almost everything is different in that the solid grain
- Grain goddess consists of flour, aminat lot (Amylose), about 15 percent-30
.-Grain sticky dough consisting of aminat's page-motto (Amylopectin) is mostly starch and aminat lot (Amylose), about 5 percent-7
Division according to grow
if split by planting ecological will split the 7
1. Kao na suan Rice grown in the paddies with water or water catchment level no more than 50 cm deep water rice paddies, planting a garden, every region of the country, Thai. Divided into rice paddies, rice paddies and water gardens, Garden irrigation, na na
2. Kao na na Park, rain water Rice grown in the napi and relies on rain water as natural. Unable to control the water level, depending on the distribution of rain. Thai rice planting areas with country-approximately 70% of rain water rice planting areas all
3. Garden irrigation farming of rice paddies Rice is grown throughout the years in which the water level can be controlled. Based on irrigation water from the Thai rice planting area of rice planting area, 24% of irrigated rice and most of the area is located in the central region of
4. Rice water. Rice grown in the paddies with flooding during the growing of rice. Deep water level ranging from 1-5 meters for a period of not less than 1 month, the effects of rice up water has the ability to stretch the articulate (internode elongation ability) (Upper nodal tillering and rooting ability) and hole Chu (kneeing ability)
.5. deep water rice Rice grown in the deep water area of more than 50 cm at water level but not exceeding 100 cm
6. Rice Ranch Rice grown on the Don, or in the conditions. On his shoulders or areas where there is no water. There is no place for the water catchment Khanna
7. Rice paddies are high. Rice grown in the paddies with water on high, ranging from 700 meters or more above sea level. Rice paddies, which must have the ability to withstand cold better
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