Table of Contents
Does rice need a lot of rain?
Rainfall over the same period varied from a low of 0.3 MUha to a high of 3.4 ML/ha. Therefore the rice irrigation requirement ( evapotranspiration minus rainfall) varies – in the past it has varied from 6.5 MUha in 1992/3 (a cool wet season) up to 13 MUha in 1990/1 (a hot dry season).
Which climate is suitable for rice?
Rice crop needs a hot and humid climate. It is best suited to regions which have high humidity, prolonged sunshine and an assured supply of water. The average temperature required throughout the life period of the crop ranges from 21 to 37º C. Maximum temp which the crop can tolerate 400C to 42 0C.
How does rain affect rice production?
Rainless days for a week in upland rice-growing areas and for about two weeks in shallow lowland rice-growing areas can significantly reduce rice yields. Average yield reduction in rainfed, drought-prone areas has ranged from 17 to 40% in severe drought years, leading to production losses and food scarcity.
What will happen to the rice plant if it will rain for a week?
Many rice species can survive a short time under water but when big, heavy rains come and rice fields are flooded for more than a week, the plants die. Like other grasses, the root system secures the plant in the ground. A mature rice plant has a main stem from which the long flat leaves grow.
What is the annual rainfall required for wheat?
50 cm to 100 cm
Rainfall: 50 cm to 100 cm rainfall is required for wheat cultivation. Land: A plain land or gentle slope land is ideal for wheat cultivation. Soil: Both mixed soil and fertile, alluvial soil are ideal for wheat cultivation. Temperature: 14° to 18°C temperature is required for wheat cultivation.
How much rainfall is required for rice cultivation?
Rice is mainly grown in rain-fed areas that receive heavy annual rainfall. That is why it is fundamentally a kharif crop in India. It demands a temperature of around 25 degrees Celsius and above, and rainfall of more than 100 cm.
How many Litres of water does it take to produce 1 kg of rice?
On average, about 2,500 liters of water need to be supplied (by rainfall and/or irrigation) to a rice field to produce 1 kg of rough rice. These 2,500 liters account for all the outflows of evapotranspiration, seepage, and percolation.
Which state in India produces most rice?
West Bengal is the largest rice producing state in India. Almost half of its arable land is under rice cultivation. In the fiscal year 2016, the state produced about 15.75 million tonnes of rice over 5.46 million hectare cultivable area.
Where is rice mostly grown in India?
West Bengal tops the list of rice-producing states with 15.3 million tonnes of rice production in the year 2016-17. The state alone produces more than 13.95% of the country’s rice. Rice is grown in major parts of lower Ganges planes, especially in the districts of Midnapur, Bardhaman, 24 Paraganas, Birbhum, etc.
What is the temperature of rice and rainfall?
Rice grows best in areas of warm, humid climate; rice requires temperatures between 20°C and 35°C and a well-distributed rainfall of about 100 cm or irrigation facilities.
What is the temperature of rice?
between 25°C and 35°C
The optimum temperature for rice cultivation is between 25°C and 35°C, and in temperate regions, rice growth is impressed by limited period that favours its growth (Reyes et al., 2003) . Exposure to cold temperature affects all phonological stages of rice and lower grain production and yield, too.
How much rain is needed to grow rice?
The total amount of rainfall in the study area over study period (23rd June, to 30th September, 2005) was 549.59mm. The total crop water requirement of rice for same period in the same area was 711.45mm. It showed that the rainfall during the study period was insufficient to meet the water demand for rice in the study area.
How much does one ton of rice yield per hectare?
In some countries like Australia and in Egypt, the yield can increase to an amazing 10 – 12 tons or more per hectare. (1 ton = 1000 kg = 2200 lbs. and 1 hectare = 2,47 acres = 10.000 square meters). Of course, such high yields can be accomplished by experienced farmers after several years of practice.
How much water does rice use in the world?
Irrigated rice receives an estimated 34−43% of the total world’s irrigation water, or about 24−30% of the entire world’s developed fresh water resources. Worldwide, water for agriculture is becoming increasingly scarce.
What’s the average temperature for a rice plant?
Temperature: Rice is a tropical crop and grown where the average temperature during the growing season is between 20°C and 27°C.