Nursery Techniques - Afforestation, Reforestation and Forest Restoration in Arid and Semi-arid Tropics - page 27

Table 2.2 (continued)
Sr.
no.

Tool Use Specification/description

16 Sieve Sieving potting mix, sand

etc. to remove pebbles
etc.

Made of woven wire; 25-gauge MS wire with
2mm 2 mm openings, framed with

angle iron or channel section of MS

×

17 Spade Dressing beds, general

earthwork

Blade 350 mm wide, 300 mm deep, made of
9-gauge MS sheet, eye-hole riveted to blade

18 Trowel Pricking out seedlings to

polypots or to field

Made of MS sheet 3 mm thick, sharpened at
edge 125 mm wide, tapering to 75-mm
width over 150-mm length

19 Weighing

machine

Weighing seeds,
pesticides, polypots
and other materials

Any standard trade equipment, having a least
count or accuracy of 10 gm, and a
weighing capacity of 250 kg

B: Tools and plants used in plantation operations
1 Axe For cutting of shrubs etc.

in fence lines or
keylines

MS axe weighing 2.25 kg, blade width
105 mm, and length 120 mm, eye diameter
55 mm, with wooden handle 450 mm long

2 Crowbar To scale stones off

ground to be used in
buildings or stone wall
fence

Made of MS rod 25- or 30-mm diameter,
bend and split at end, 1.5 m long

3 Hydrostatic

contour
marker
(HSL)

Marking of contour lines
on ground

2 graduated wooden staffs 25 mm 35 mm

section, with 10-mm longitudinal groove,
with clamps at every 20 cm, clamping
U-clip at top, transparent rubber tube 8-mm
diameter with lips cut over 20-mm length
at ends passing across the ends of staffs

×

4 Chisel To break hard ground,

split stones from
ground

Made of MS rod of 35-mm diameter,
sharpened edge, spread head, 250 mm long

5 Knife Removal of polypots

while planting
seedlings in field

Sharp knife or a small sharp blade fixed in
wooden handle or cleft

6 Paintbrush Marking important points

in field

One 75 mm wide, another 8 mm wide

7 Pickaxe Excavation and picking

of stones

As explained in item 6 above

8 Pliers To tie and cut wires in

barbed wire fence

Conforming to trade standards

9 Saucer-pan Carrying stones, dumping

excavated earth

As explained in item 6 above

10 Spade Earthwork in excavation As explained in item 6 above

C: Surveying and drawing equipment
1 Axe For line cutting Standard equipment

2 Butter paper Preparing overlays of

drawings or traces for
blueprints

Standard equipment

3 Chain Measuring length in field Standard equipment

4 Flags Marking stations and

points

Standard equipment

5 Graph sheet Measuring areas Standard equipment