supply of chemical fertilizers and organic manures to various societies or dealers in kerala for the year 2024 2025 supply of fertilisers for the year 2024-25 at various destinations across kerala , laying and jointing pvc pipe. heading , bone meal (raw) 1. moisture percent by weight = 8.0 maximum, 2. acid insoluble matter percent by weight= 12.0 maximum, 3. total phosphates (as p2o5) percent by weight = 20.0minimum, 4. 2 percent citric acid-soluble phosphate (as p2o5) percent by weight = 8.0 minimum, 5.nitrogen content of water-insoluble portion percent by weight = 3.0 minimum, 6. particle size = the material shall pass wholly through 2.36 mm is sieve of which not more than 30 percent shall be retained on 0.85 mm is sieve. , neem cake from kernels 1. packed in new hdpe 50 kg bags, 2. nitrogen (n) = 5% min., 3. phosphorous (p) = 1.0% min., 4. potassium (k) = 1.5% min. , neem de-oiled cake 1. packed in new hdpe 50 kg bags, 2. nitrogen (n) = 2% min. 3.phosphorous (p) = 0.5% min., 4. potassium (k) = 0.5% min. , neem oiled cake 1. packed in new hdpe 50 kg bags., 2. moisture percentage = 10 maximum, 3. oil content percentage = 10 minimum., 4. totalnitrogen (n) =2% minimum., 5. total phosphorous (p) =0.5% minimum., 6. total potassium (k) = 0.5% min. , neem oil 1. physical appearance = clear brown liquid, 2. moisture percentage = <0.5, 3. acid value = <20, 4. sp.gravity @27degree c= 0.90 – 0.95, 5. sediment percentage = <1, 6. azadirachtin content = 1200 - 1500 ppm , city compost 1. moisture percent by weight = 15.0 – 25.0, 2. colour = dark brown to black, 3. odour = absence of foul odour, 4. particle size = minimum 90% material should pass through 4.0 mm is sieve, 5. bulk density (g/cc) = <1, 6. total organic carbon percent by weight = 12.0 minimum, 7. total nitrogen (as n) per cent by weight = 0.80 minimum, 8. total phosphate (as p2o5) per cent by weight = 0.40 minimum, 9. total potash (as k2o) per cent by weight = 0.40 minimum, 10. c:n ration = 20:1 or less, 11. ph = 6.