Tillage

#1. The name of the book written by Flitzherbert on first recorded evidence of soil tilth was ________?

Boke of husbandary

Teolian

Soil & Tillage Research

The tilth

#2. Size of aggregates that is suitable for irrigated agriculture?

<1 mm

1 - 2 mm

3 - 4 mm

>5 mm

#3. Which is not true for optimum tilth?

Higher / Increased Bulk density

Improved aeration

Friable soil

Uniform size distribution of aggregates

#4. Which is not true for tillage?

Increased thermal conductivity

Increased pore space

Oxidise organic matter

Increased hydraulic conductivity

#5. Conventional tillage is also called as ________?

Fallow tillage

Clean tillage

Eco-tillage

Row zone tillage

#6. Percentage depletion of available soil moisture suitable for effective ploughing is _______?

50 - 75%

> 75%

25 - 50%

< 25%

#7. According to CRIDA, depth of ploughing considered as medium?

15 - 20 cm

25 - 30 cm

7 - 15 cm

5 - 6 cm

#8. Plough suitable for subsoiling is ________?

Chisel plough

MB Plough

Ridge plough

Desi plough

#9. Setline planting in Gujarat adopted for which crop?

Wheat

Chickpea

Jute

Cotton

#10. Minimum recommended residue retention in conservation tillage is ______?

20%

10%

40%

30%

#11. Which tillage system evolved in USA for pasture renovation?

Minimum tillage

Sod seeds

Zero tillage

Both a & b

#12. Commonly used herbicide in zero tillage is ________?

Glyphosate

Paraquat

Mesosulfuron

Pendimethalin

#13. Which problem is not associated with zero tillage?

Poor germination

Low mineralization

Build up of perennial weed

Water logging

#14. Stubble mulch tillage is also known as _________?

Mulch farming

Both

Plough less farming

Bio farming

#15. Water requirement for puddling is ______?

10 cm

40 cm

4 cm

20 cm

#16. Puddling becomes difficult when bulk density is _________?

2.65 g/cc

< 1 g/cc

1.33 g/cc

1.33 - 2.65 g/cc

#17. Tillage implement used in rice field?

Rotary weeder

Basin lister

Danti

Star weeder

#18. Which tillage implementation is used for inter cultivation in wide spread crops?

Chisel plough

Mole plough

Junior hoe

Turn wrest plough

#19. Which is not true for laser land leveling?

Saves water by 35 - 45%

Smoothening of filed within +2 to -2 cm

Increases cultivated area by 3 - %

Can also practiced in hilly areas

#20. Which of the following is not a minimum tillage option?

Wheel track planting