|1||The weight of 1000 seeds of a crop is called?||Test weight|
|2||The weight of 100 seeds of a crop is called?||Seed Index|
|3||Wavelength longer than ______ m/μ is not visible to the eye, and are called infrared||750|
|4||The mechanical manipulation of the soil is k/s as||Tillage|
|5||The good physical condition of soil after tillage is||Tilth|
|6||Who is the father of tillage?||Jethro Tull|
|7||The tillage operation mainly aims to break, open and turn the soil||Primary/tillage|
|8||The primary tillage implements are||Deshi plough, MB plough, Ridge plough, Disk plough etc|
|9||.The tillage operation, done to create a good seedbed for proper seeding/planting||Secondary tillage|
|10||The secondary tillage implements are||Cultivator, Harrows, Hoe, Planker, Roller, etc.|
|11||The optimum range of available soil moisture for convenient and effective ploughing||50-75%|
|12||An ideal condition of soil for crop growth?||Seed-bed|
|13||Conventional tillage involves||Minimum tillage, Zero tillage and Conservation tillage.|
|14||The tillage aims to reduce tillage to the minimum necessary for ensuring a good seed-bed, rapid germination, satisfactory stands and favourable growing condition?||Minimum tillage|
|15||The tillage referred to as no-tillage in which the crop is planted in unprepared soil||Zero tillage|
|16||The word ‘Zero tillage’ was termed by||Jethro Tull|
|17||A system of tillage in which organic residues are not inverted into the soil and used as a protective cover against erosion and evaporation losses of soil moisture?||Conservation tillage or stubble mulch tillage|
|18||Conservation tillage tends to encourage||Higher microbial population|
|19||The tillage implement used to break subsoil is||Chisel plough|
|20||Ridge plough is used for||Earthing-up and form ridges and furrows.|
|21||Star weeder is used for||Weeding in dry lands and groundnut fields|
|22||Disc plough is used for||Deep ploughing in grassed field|
|23||The rotary plough is used for||Cut and pulverizes the light soil.|
|24||Harrows are used for||Preparation of seedbed, destroy weeds|
|25||Mechanization index is found highest in||Wheat crop|
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