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Properties of nitrogenous fertilizers include;They are highly soluble in soil waterThey are easily leached to lower horizonsThey have short residual effect hence need frequent applicationThey are highly volatile, they should be applied on moist soilThey have burning effect, they burn the vegetation part, and they should not come into contact with green part.They are hygroscopic they absorb atmospheric vapor and cakeThey are highly corrosive, they burn the epithelial cells of palm
Chemical methods of dating fossil are;Radio-carbon dating/carbon 14 datingPotassium argon dating
Traditional methods of fishing used in Kenya include;Use of spear and arrowUse of barrieruse of basketsUse of hooks and lineUse of gill nets
Methods used to determine the size of a firm include;The number of employees.Volume of output producedFloor area covered by premiseSize of capital investedMarket servedSales volumeProduction method used
Methods of land reclamation in Kenya include;Irrigating dry landsDraining of swamps to reclaim marshy or waterlogged e.g swampAfforestation and re-afforestation programmesTsetse fly control in Lambwe valleyPlanting drought resistant crops like cassava, millet in ASALS.Filling in quarries/abandoned mines in BamburiAgro-forestryControl of floodsApplication of manure and fertilizers