EXERCISE No. I PESTS OF RICE More than 100 insect species are associated with the rice crop at one stage or the other and 20 of these are pests of major economic significance. 1. Stem Borer: A. Yellow stem borer: Scirpophaga incertulas (Pyralidae: Lepidoptera) F Distribution and Status: Afghanistan, Bangladesh, Burma, Cambodia, China, India, Sri Lanka and Indonesia. F Host range: Rice F Life history: Female moth has bright yellowish brown fore wings with a black spot and a tuft of yellow anal hairs while male is smaller with pale yellow forewings without black spot. Each female lays 170-200 eggs in a mass of 15-80 on the upp...
INDEX S. No. Exercise Signature 1 To Study about preparation of Vermi-compost & preparation of beds for vermicompost. 2 Visit of organic farms to study the various components and their utilization. 3 Cost of organic production system 4 Bio fertilizers/bio inoculants for organic farming 5 Post-harvest management: quality aspect, grading, packaging and handling 6 ITK ( Indigenous technology knowledge) for nutrient management Exercise - 1 Objective: - To Study about preparation of Vermi-compost & preparation of beds for vermicompost. Principle: - This Process is mainly prepared to add nutrients to the soil. Compost is a natural fertilizer and it allows for easy flow of water and air for growing the plan...
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