bids are invited for supply of potting mixture consisting of soil hums sand in the ratio of 3:2:1 for a bag of volumetric capacity of 0.0597 cft at sidco nursery - soil 3 parts with 3% sieving wastage equal to 0.02985cfthumus 2 patrswith 15% sieving wastage equal to 0.0199 cft and sand 1 partwith 3% sieving wastage equal to 0.00995 cft , preparation of potting mixture and filling up of poly bags 9x6 with 4 holes 50 micron at sidco nursery - preparation of potting mixture by sieving humus and sand, removing pebbles and all undeseirable material and mixing net quantity in desired ratio & volume followed by filling up of poly bags, preparation of beds and placecment of bags in beds. cost of sowing of seed including seed treatment, application of fungisides and tapping up of polybags with cover soil total quantity : 1