(i)To shape soil
(ii)To remove weeds
(iii)To clear soil
(iv)For harvesting root crops
(i)It is use for prying
(ii)It is use for breaking up hard ground or rock.
(i)Sharpen tool before and after use.
(ii)Oil or grease metal parts.
(ii)Dry tools after use
(iv)Keep them in cool dry place.
It is to test soil texture
(iii)Soil sample (sand, loam soil)
(i)A few sample of the soil is placed in measuring cylinder.
(ii)Some amount of water containing hydrogen peroxide to it.
(iii)The moisture is saking vigorously by stirring rod and allow to settle for some hours.
(i)It contain humus
(ii)It contain grains particles (sand)
(iii)It contains powered particles
(iii)By sun dry
(i)It is consumed as food
(ii)It is used for medical purpose as an antioxidant and equally has antiinflammatory properties
(i)It is used as antioxidant
(ii)It is used in treatment of convulsion
(iii)Grasshopper – thrips
(iv)Cricket – maggot
(i)They do not feed on each other
(ii)They have the same growth
(iii)They feed on similar foods and have the same living habitat
(iii)Hook and line
(i)It seal pores
(ii)It present water loss
(iii)It encourage the growth f plantation
(iv)It reduce acidify of pond