CHSE Odisha Vocational Sericulture study materials
CHSE Odisha Vocational Sericulture study resources

CHSE Odisha Vocational Sericulture case studies

CHSE Odisha Vocational Sericulture · Put your knowledge to work in context.

The CHSE Odisha Vocational Sericulture course is a higher-secondary vocational qualification offered under the Council of Higher Secondary Education, Odisha. It is designed for students who want a practical, employable skill set in silk production rather than a purely academic science stream. The CHSE Odisha Vocational Sericulture case studies are 5 cases and about 2,566 words.

1

Liming, Fertilizer and Harvest Decisions in an Acid Red-Soil Mulberry Plot

A farmer in a red lateritic belt has 0.4 ha of four-year-old mulberry (variety S-1635) planted at 90 cm × 90 cm. A soil test shows pH 5.3, organic carbon 0.31%, available nitrogen 180 kg/ha (low), phosphorus 12 kg/ha (low) and potassium 95 kg/ha (medium).

597 words, about 3 min
2

Correcting High Temperature, Humidity and Overcrowding in a Late-Age Rearing

A rearer has 50 dfls of a bivoltine hybrid in a 6 m × 4 m mud-walled room with an asbestos roof. At the start of the fourth instar, room temperature is 31–33°C and relative humidity 85%; there is one small window and no exhaust fan.

532 words, about 3 min
3

Mixed White Muscardine and Flacherie in a Fifth-Instar Crop

In a rearing batch of 100 dfls at fifth instar, the rearer reports 18% mortality over three days. Some cadavers are hard and covered with white powdery growth; others are soft, blackish and smell putrid.

461 words, about 2 min
4

Poor Renditta and Filament Breaks in a Cooperative Reeling Unit

A cooperative reeling unit processes 800 kg of bivoltine cocoons purchased two days ago from farmers. The cocoons were transported in gunny bags, stored in a godown at 28–30°C, and some have a musky smell and dark patches.

482 words, about 2 min
5

Choosing Between Mulberry Expansion and On-Farm Reeling

A farmer has 1.0 ha of irrigated mulberry and rears 1,000 dfls per year in five crops. Average cocoon yield is 55 kg per 100 dfls, and cocoons sell at ₹520/kg.

494 words, about 2 min