Agronomy - Study Mode

[#276] Optimum temperature requires for growth of sugarcane is
Correct Answer

(C) 25° - 30°C

Explanation

Solution: Sugar cane is a tropical as well as subtropical crop and grows well in a hot and humid climate with a temperature of 25 to 30 degrees celcius. It is a short day plant that requires a maximum of 8 hrs of daylight and annual rainfall between 75 cm and 100 cm.

[#277] Field water used efficiency is calculated by
Correct Answer

(B) WUE = $$frac{{ ext{Y}}}{{{ ext{ET}}}}$$

Explanation

Solution: The field water use efficiency (WUE) is the ratio between the dry matter production of a plant (the output) divided by evapotranspiration. Thus the equation for WUE is: WUE = $$frac{{ ext{Y}}}{{{ ext{ET}}}}$$ Y = Dry matter production (Kilogram/hectare) ET = Evapotranspiration (in mm)

[#278] Seed ball is a fruit of
Correct Answer

(C) Linseed

Explanation

Solution: The fruit of linseed is called a seed ball. Fruit is a capsule, globular in shape mostly indehiscent. Seeds are compressed shining yellow or light brown. It has been grown since ancient times for fiber and for its seeds which are rich in oil.

[#279] The ideal stage of harvest of jute for fibre purpose is
Correct Answer

(C) Small pod stage

Explanation

Solution: Jute is harvested any time between 120 days to 150 days, after the shedding of flowers or with the start of the small pod stage. Early harvesting gives good quality fibers and yield. The stems of harvested plants are bundled and immersed in water for 10 to 15 days, then after rotting, fibres are separated by hand.

[#280] Central Potato Research Institute (CPRI) is
Correct Answer

(A) Shimla

Explanation

Solution: CPRI is a governmental organization that works under ICAR and is located in the capital of Himachal Pradesh that is Shimla, near Bemloe. The main objective of this institute is “varietal development and identify improved production technologies for potato in different agro-climatic regions”