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Production Know How
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Rice ecosystems in India

Rice is the staple food for more than 65% of population in India. It is cultivated in several agroecological regions. Rice farming is highly widespread and practiced under diversified soil and climatic conditions; hence there are wide variations in variety, methods of cultivation and. soil and water management practices followed. Rice ecosystems in India can be grouped into following categories.

• Irrigated
• Rainfed Rice Eco System: (i) Upland

Control of moths in stored grains

The Angoumois grain moth is the most serious pest injurious to rice, both in the field and storage.

This moth also attacks other cereals like maize, wheat and sorghum.

The infestation may reach serious levels before the grains are transported to the storage godowns resulting in around 25 per cent loss in weight and seed viability.

Internal pest

The larva is an internal borer of the whole grain, fe

IET 21542 (RP Bio 4918-248 S)

A new high yielding medium maturing variety developed by DRR, Hyderabad
Directorate of Rice Research, Hyderabad has developed a medium duration, semi dwarf high yielding short bold grain variety, IET 21542 with good cooking quality.

The salient features of the variety are:


Nursery management

•  Select well filled high density seed of variety suitable to the location/season by
    treating in salt water solution of specific gravity 1.08 (20 lt per 5 kg seed) prepared by
    dissolving 80 g common salt in one litre of water.
•  Plough the nursery area (1000 m2 per ha. of main field) at optimum moisture to get  
    fine tilth and prepare raised seed beds of 1.0 to 1.5 m w

Land preparation, soil moisture and Seed depth in Direct Seeded Rice

Plow the fields during summer to control emerging weeds
Leveling the fields well facilitates uniform irrigation and better germination
Optimum depth of seed:2-3 cm. The seed should be covered by soil for proper
        germination and to avoi
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