Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

NABARD Agri 2025 > Tillage & Irrigation > Flashcards

Tillage & Irrigation Flashcards

(100 cards)

Start Studying
1
Q

A raised ridge left that the centre of the strip of land when ploughing is started from centre to side

A

Back Furrow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

An open trench left in between 2 adjacent strips of land after ploughing is finished when done from outside to inside

A

Dead Furrow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

When plough works round a strip on ploughed land, it is said to be?

A

Gathering

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

When plough works round a strip of unploughed land, it is called?

A

Casting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A mechanical manipulation of soil to provide favourable conditions for crop production

A

Tillage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

True point of hitch of a tractor

A

Centre of Power

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. Aeration
  2. Enhanced Fertility & Water Evaporation
  3. Destruction of Weed, Insect & Pest
  4. Soil Conservation
    Which of the above are advantages of Tillage?
A

1, 3 & 4
2 -> Enhance Fertility and Water Retention

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Classification of Tillage based on purpose

A

Primary & Secondary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Classification of Tillage based on moisture conservation

A

Conservation methods:
- Minimum Tillage, Zero Tillage, Mulch Tillage.
Traditional Method : P+S

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which one of the following is an example of Conservation Tillage?
1. Minimum Tillage
2. Traditional Tillage
3. Zero Tillage
4. Mulch Tillage

A

1, 3 & 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Operation to reduce soil strength, cover plant material and rearrange aggregates to break down soil into finer tilth

A

Primary Tillage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Tillage done after seeding or planting the crop in a sterile soil, either at the pre-emergence stage of the crop or while in the early stages of growth so that crops (like sugarcane, potato) do not get damaged, but extra plants and broad leaved weeds are uprooted.

A

Blind Tillage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Tillage performed to get proper finer tilth for seedling planting

A

Secondary Tillage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Implements being used for Secondary Tillage?

A

Harrow, Cultivators, Levellers, Clod Crushers, etc.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Modern method of Tillage is aka?

A

Conservation Tillage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Reducing Tillage to the minimum necessary for ensuring good seedbed, rapid germination, satisfactory stand and favourable growing conditions, is known as?

A

Minimum Tillage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

How is tillage reduced in minimum Tillage?

A
  • By omitting operations with low cost-to-benefit ratio
  • combining agricultural operations like seeding and fertilizer application
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which of the following is a type of minimum Tillage?
1. Row zone tillage
2. Plough plant tillage
3. Wheel track planting
4. Zero tillage

A

1, 2 and 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Type of minimum Tillage where ploughing is restricted to only the row zones

A

Row zone tillage
Secondary Tillage operations like disking and harrowing are reduced

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

A type of minimum Tillage where after the soil is ploughed a special planter is used and in one run over the field, the row zone is pulverized and the seeds are sown.

A

Plough-plant Tillage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

A type of minimum Tillage where after ploughing, a tractor is used for sowing and the wheels of the tractor pulverize the row zone

A

Wheel track planting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Extreme form of which type of Tillage is called Zero Tillage? It is also known as?

A

Minimum Tillage
No Tillage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Which of the following is correct for zero tillage?
1. Primary tillage is completely avoided and Secondary Tillage is restricted to seedbed prep in row zone
2. Primary tillage is restricted to seedbed prep in row zone and Secondary Tillage is completely avoided
3. Both Primary and Secondary Tillage is completely avoided

A

1 -> Primary tillage is completely avoided and Secondary Tillage is restricted to seedbed prep in row zone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Till planting is a method of performing which type of Tillage?

A

Zero tillage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Disadvantage of zero tillage?
Extension of herbicide application
26
Stubble Mulch Tillage is an example of what kind of tillage?
Modern/Conservation or Scientific Tillage
27
Stubble or residue after harvest is incorporated _____cm into the soil, to hasten decomposition, reduce soil water evaporation
12-15 cm
28
Which of the following is NOT an example of Secondary Tillage implements? 1. Harrow 2. Cultivators 3. Power tillers 4. Clod crushers 5. Levellers
3
29
Which secondary tillage implement is used for de-weeding?
Harrows
30
A method where, **scattering of seeds** on the seedbed, manually and mechanically, usually has a higher seed rate.
Broadcasting
31
Creating holes of fixed depth and spacing in the soil and placing the seeds in them **one by one**
Dibbling
32
Dropping seeds in furrow lines in continuous flow and covering them in soil through seed drills **done very quickly**
Drilling
33
Commonly used method of sowing in villages where seeds are dropped manually in the furrow behind the plough, done through the malobansa device
Seed Dropping Behind the Plough
34
Device used in: 1. Seed Dropping Behind the Plough 2. Dibbling
1. Malobansa device 2. Dibbler
35
Seed Dropping Behind Plough is common for which plants?
Maize, gram, peas, wheat, barley (Rabi)
36
A sowing method that aims to develop the adaptive capabilities of the plant and harden the plant
Transplanting
37
Production of what in agriculture consumes the highest water?
Meat Largest exporter - 10x higher water consumption than rice
38
What are the 2 types of water resources?
Surface Sub-surface
39
Atal Bhujal Yojana was launched in which year?
2018
40
Groundwater Resource Assessment in the country is periodically done by?
Central Ground Water Board (CGWB)
41
Total Groundwater Recharge of the country
437.6 billion cubic meters (BCM)
42
Annual precipitation according to CGWB?
4000 bcm
43
Estimated Utilizable Water Usage by CGWB is? it is the sum of? - imp
**1123 bcm** Surface: 690 km3 GW: 433 km3
44
As per UNDP, when can a region be called a water scarce region?
Availability of water is <1000m3
45
Contribution of rainfall to country's annual ground water resource
68%
46
Management of water based on soil and crop environment to obtain better yield by efficient use of water without any damage to the environment
Irrigation Management
47
What constitutes Irrigation Agronomy?
4 points: - Soil & its physical & chemical properties - Biology of crop plants - Quantity of water available - Time of Application of Water
48
Amount of water required to increase productivity of crop and yield produced per unit of water used
Irrigation Water Potential (IWP)
49
What is irrigation
Artificial application of water to soil or agricultural field to supplement or replace rainwater
50
As per Economic Survey 2018, Share of current water used by agriculture?
80%
51
According to the Economic Survey 2018, Share of irrigated area in agricultural land in India is?
about 49% of the 140 million ha agri land
52
What are the 2 types of irrigation?
Traditional: - Surface - Sub-Surface Modern: - Drip - Sprinkler
53
Complete Flooding and Partial Flooding is what kind of irrigation?
Traditional Surface Irrigation
54
Sub-surface, aka seepage irrigation, is what kind of irrigation?
Surface Traditional
55
A type of irrigation that is useful in commercial or greenhouse purposes to go 30-70cm below the ground
Traditional sub-surface Irrigation
56
Wild irrigation, border areas, check or basin are what type of irrigation?
Complete Flooding type under Surface Irrigation
57
Furrow Irrigation, Basin or Ring, Surge Irrigation are what type of irrigation?
Partial Flooding Type, under Surface Irrigation
58
Drip irrigation + Sprinkler irrigation together are known as?
Micro Irrigation - under Modern irrigation
59
As per Ministry of Agriculture, Which state has maximum area in overall micro irrigation?
Rajasthan
60
As per Ministry of Agriculture, Which state has maximum area in drip irrigation?
Andhra Pradesh
61
As per Ministry of Agriculture, Which state has maximum area in Sprinkler irrigation?
Rajasthan
62
According to PMKSY (2015), Which state has highest area under Sprinkler Irrigation?
Karnataka
63
According to PMKSY (2015), Which state has highest area under Drip Irrigation?
Andhra Pradesh
64
According to PMKSY (2015), Which state has highest area under Micro Irrigation?
Karnataka Followed by TN
65
Drip Irrigation is aka? It was developed by?
Trickle irrigation Israeli Simcha Blass and Yeshayahu
66
Efficiency of Drip Irrigation?
Can reach upto 95%
67
Discharge rate of Plastic Emitters in Drip Irrigation?
2-10 L/hr
68
A type of irrigation that has an important role in increasing Irrigated Water Productivity (IWP) and Water Use Efficiency (WUE)
Drip Irrigation
69
Financial Assistance under Per Drop More Crop (2015) for installation of Drip & Sprinkler System is?
55% - Small & Marginal Farmers 45% - Other Farmers
70
Bubbler irrigation is aka
Sprinkler or overhead
71
Irrigation suitable for undulating lands
Overhead or sprinkler irrigation
72
Efficiency of sprnkler irrigation
16-70%
73
Yield produced per unit of irrigation, is known as?
Irrigation Water Potential (IWP)
74
Amount of carbon assimilated as biomass or grain produced per unit of water
Water Use Efficiency
75
Unit of Water Use Efficiency
kg ha-1 mm-1
76
Plants with high Water Use Efficiency?
Ragi Wheat
77
Water flows from ditch to field directly, without much control - unguided
Wild Flooding
78
Type of irrigation suitable for soils having **moderately low or moderately high** infiltration rates and **close growing crops**
Border Flooding | Wheat, barley, fodder, legumes - close growing crops
79
Border flooding is not suitable for what kind of soils?
Coarse Sandy - heavy infiltration rate Heavy/clayey soils - low infiltration rates
80
Most common method of traditional irrigation?
Check basin irrigation
81
Size of check basin irrigation is?
10m2 - 25m2 | depending on soil type
82
When is check basin irrigation required?
When soil **required leaching** - has excessive salts
83
Disadvantage of check-basin irrigation?
* Not Suitable for Crops Sensitive to Wet Soil * Higher Labour Requirement
84
A type of traditional irrigation that has furrows between 2 rows of crops?
Furrow irrigation
85
Basin and ring irrigation are suitable for?
Orchards and Plantations Basins: Smalled trees Ring: Larger trees
86
On & off irrigation is aka?
Surge irrigation
87
Efficiency of surge irrigation?
85-90%
88
Which type of irrigation has reduced net irrigation water requirement?
Surge Irrigation
89
**Central Ground Water Board** has been set up under which act?
Section 3, Environmental Act 1986
90
Sahi Fasal Yojana is by?
Jal Shakti Ministry
91
Fertilizer + irrigation =? It's pH is?
Fertigation 5.8-7.8
92
How is fertigation useful?
1. **Controlling alikalinity** - of irrigation water through drip irrigation 2. **Weed control** 3. Increased **availability of nutrients** 4. **Reduced leaching**
93
What kind of fertilizers cannot be used for fertigation?
Rock Phosphate & phosphatic fertilizers
94
Pesticides + irrigation =?
Chemigation
95
EC and pH of water unsuitable for irrigation?
EC: >6 pH: >10
96
EC and pH of water excellent for irrigation?
EC: 0.5 pH: 6.5-7.5
97
EC and pH of water Good for irrigation?
EC: 0.5-1.5 pH: 7.5-8
98
Which crop can tolerate waterlogging conditions better than other cereals, except rice?
Sorghum
99
Striga weeds is most predominant in fields growing?
Sorghum
100
A direct environmental effect of nitrate contamination in groundwater?
Unsafe drinking water Eutrophication Reduction in crop quality Uranium mobilisation

NABARD Agri 2025 (26 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions