Disc type furrow openers are especially suited to
A. Stoney and root infested soils
B. Poorly prepared bed in trashy soil
C. Hard and sticky soil with considerable amount of debris and mulch D. All of the above

1 Answer

Answer :

C. Hard and sticky soil with considerable amount of debris and mulch

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Last Answer : B. Poorly prepared bed in trashy soils

Description : How type furrow (or shovel) opener are especially suited to a. Stoney and root infested fields b. Poorly prepared beds in trashy soil c. Hard field with considerable debris and mulch d. None of the above

Last Answer : a. Stoney and root infested fields

Description : Hook type blades best suited for e. Minimum tillage of trashy land at shallow depths f. Dried hard soils g. Cutting and pulverisation especially in wet sticky clay soil h. Working under normal field conditions

Last Answer : f. Dried hard soils

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Description : shaped blades are best suited for i. Minimum tillage of trashy land at shallow depths j. Dried hard soils k. Cutting and pulverisation in wet sticky clay soil l. Working under normal field conditions

Last Answer : i. Minimum tillage of trashy land at shallow depths

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Last Answer : ans a

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Last Answer : B. 28.8 x 10-2k

Description : An animal drawn seed drill has k number of furrow openers 180mm apart. If the speed of the operation is 2.0kmph then the area covered (ha), in 8 hr day is given by: a) 1.85/1000k b) 28.8 * 10-2k c) k/6.456 d) 1.762k

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Last Answer : a.) Dry land agriculture.

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