Manual weeder usually controls only the weeds in between rows (80-85%). But the weeds within rows are left out which are controlled manually. The weeds within rows are also controlled by CRIJAF nail weeder. Using CRIJAF nail weeder more than 95% of weeds can be controlled following the procedure mentioned below.
Principle of operation: Operate the tool by to and fro movement in between crop rows at field capacity (5-7 days after sowing) to remove germinating composite weed flora (80-85%) To remove weeds within mustard/sesame/ wheat/ jute/ canola rows, 10-12 days after their germination (10-12 cm seedling height) remove the central nail (3rd from either side) from the nail assmbly. Keep the crop rows in between two front wheels of CRIJAF nail weeder and set the open space (in between 2nd and 4th nails) over the crop rows for operation. At fielfd capacity stage by to and fro movement of the weeder, operate the tool over crop rows (10-12 days old and 10-12 cm seedling height)as usual. Weeds within the crop rows are removed (80-90%) and soils within the crop rows are pulverised. The disturbances to the young seedlinds are minimum( Photo 3).More than 95% of total weeds can be controlled using CRIJAF nail weeder and its assemblies at different time. The necessity of the manual weeding and herbicides can be eliminated.The established weeds like Cyperus rotundus etc can be uprooted after 15 to 20 days of crop emergence fitting the scrapper behind the tool, which is supplied with the tool as accessories. From broadcast mustard/sesame/canola/ jute field, simultaneous weeding, thinning and line arrangement can be made operating the tool at field capacity at 5 to 6 days after germination, keeping 5 to 7 cm intervals in between two successive runs. This tool pulverizes the top soil (4 -5 cm) and creates soil mulch for moisture conservation.
Reference: Ghorai.A.K. (2023).Agricultural weeder with nail assembly for weed control, soil moisture conservation, soil aeration and increasing crop productivity.Current science, 124 (5):635-640.
Негізгі бет Ғылым және технология Agricultural weeder with nail assembly (Crijaf nail weeder) to control weeds of jute & mustard,India
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