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Entire rice cultivation is concentrated in high productivity zone of the State. Punjab ranks second in the country in productivity of rice after Tamil Nadu. Triennium average productivity of Punjab (3,337 kg/ha) is higher by 71% than triennium average productivity (1,947 kg/ha) of the country.
Chemotrophs are organisms that obtain energy by the oxidation of electron donors in their environment. Chemoautotrophs use inorganic energy sources to synthesize organic compounds from carbon dioxide.
Rice (Oryza sativa) varieties are commonly grouped into following 3 sub-species. indica: Rice grown in India belongs to this sub-species. They are awnless or possess short and smooth awns.
Cotton
Detail
IndiaCurrent estimates for world production are about 25 million tonnes or 110 million bales annually, accounting for 2.5% of the world’s arable land. India is the world’s largest producer of cotton. The United States has been the largest exporter for many years.
Nov — Dec
Summer rice is called as Rabi rice. It is known as ‘Boro’ in Assam and West Bengal, ‘Dalua’in Orissa, ‘Dalwa’ in Andhra Pradesh, ‘Punja’ in Kerala and ‘Navarai’ in Tamil Nadu and ‘Garma’ in Bihar. The sowing time of summer rice is November to February and harvesting time is March to June.
Both A and B
Researchers at the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) in Hyderabad have developed dual strategies to keep groundnuts almost free of aflatoxin — a toxin produced by the fungi Aspergillus flavus and Aspergillus parasiticus — contamination
Q. In Wet bed rice nursery, seedling is ready for transplanting in days
15 to 20
Seedlings are ready for planting within 14 20 days after seeding (DAS).
To maintain the fertility of the soil
A basic principle of crop rotation is not to grow the same thing in the same place two years running. In fact, the larger the gap between a crop occupying the same piece of ground the better.
Coleoptile length
The dwarf wheat should be sown only at 5-6 cm depth as they have shorter coleoptiles.
Low fertility soils
Mycorrhizal fungi live in symbiosis with the roots of a large variety of plants, including trees, shrubs, annuals and perennials
Rhizobium japonicum
Soybeans are legumes, plants that can have a symbiotic relationship with nitrogen–fixing bacteria – Rizobium japonicum
The following crop is sown before the harvesting Of preceding crop
Relay cropping is essentially a special version of double cropping, where the second crop is planted into the first crop before harvest, rather than waiting until after harvest as in true double-cropping.
Weight of cotton lint / weight Of seed cotton x 100
120 cm x 45 cm plant geometry recorded maximum ginning per cent (35.74%)
Q. Black cotton soil is rich in
Montmorillonite
Black soils are poor in nitrogen, phosphorus and organic matter. The soils are generally rich in montmorillonitic and beidellitic group of clay minerals.
Beganpalli
The Banganapalle mango in the first week of May 2017 received a Geographical Indication (GI) tag. This makes Andhra Pradesh the proprietor of the variety known for its sweetness
Arhar
Indian Agricultural Research Institute has developed early maturing (120 days) arhar genotype.
All of these
Potato
Ratan, Prateek, Mahateora
paraquat
Paraquat is a toxic chemical that is widely used as an herbicide (plant killer), primarily for weed and grass control.
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