Fertilizer Recommendation for Important Crops

FERTILIZER RECOMMENDATION FOR MAJOR CROPS

N P K PADDY (kg/ha) Upland(Modan) PTB 28,29 and 30 High-yielding short duration varieties 40 60 20 30 30 30 Wet land (All regions) High-yielding short duration varieties High-yielding medium duration varieties Local varieties H4 Mashuri 70 90 40 70 50 35 45 20 45 25 35 45 20 45 25 COCONUT (Adult palm)kg/palm/annum. General recommendation (a) Average management (b) Good Management (c) For reclaimed clayey soils (as in Kuttanad) 0.34 0.50 0.25 0.17 0.32 0.35 0.68 1.20 0.90 Hybrid and high yielding palm (a) For irrigated areas (b) Rainfed 1.00 0.50 0.50 0.32 2.00 1.20

RUBBER From 1st year to 4th year :-10:10:4:1.5 NPK Mg mixture at the following rates: 3rd Month 225g / plant 9th Month 450g / plant 15th Month 450g / plant 21st Month 550g / plant 27th Month 550g / plant 33rd Month 450g / plant 39th Month 450g / plant

From 5th year till tapping begins 12:12:12 NPK Mixture @ 125 kg /ha during April – May and September – October (Where mulching was practiced during initial years) 15:10:6 NPK Mixture @ 200 kg /ha during April – May and September – October (Where mulching was not practiced during initial years) Mature Rubber under tapping 10:10:10 NPK Mixture @ 300 kg /ha or 900 g / plant March -April or 15:15:15 NPK Mixture @ 200 kg /ha or 17:17:17 NPK Mixture @ 175 kg /ha or 19:19:19 NPK Mixture @ 160 kg /ha

N P K TAPIOCA (kg per hectare) H.97, H.226 75 75 75 H.165, H.1687, H.2304 100 100 100 M4 and Local 50 50 50 SWEET POTATO (kg/ha ) 75 50 75 SESAMUM (kg/ha ) 30 15 30 GROUNDNUT (kg/ha ) 10 75 75 BANANA (g/plant) Nendran (irrigated ) 190 115 300 Palayamkoden (Rainfed) 100 200 400 Other varieties according to soil fertility 160-200 160-200 160-400 PINEAPPLE - g/plant/year 8 4 8 kg/ha/year 320 160 320 MANGO ( g/tree/year ) 500 360 750 SUGARCANE ( kg/ha) Pandalam and Thiruvalla area Chittoor area Newly – cleared forest area 165 225 115 82.5 75 75 82.5 75 90 PEPPER (g/vine/year ) 50 50 150 GINGER (kg/ha) 75 50 50 TURMERIC (kg/ha ) 30 30 30 NUTMEG ( g/tree/year ) CLOVE ( g/tree/year) CARDAMOM ( kg/ha) CASHEW (g/tree/year) 500 300 75 750 250 250 75 325 1000 750 150 750 COCOA ( g/plant year) For plants yielding less than 50 fruits per year For plants yielding more than 50 fruits 100 200 40 80 140 280 COLOCASIA (kg/ha) 80 50 100 AMORPHOPHALLUS ( kg/ha) 40 60 50 DIOSCOREA ( kg/ha ) 80 60 80 ARECANUT (Adult palm, gram per annum) Variety – Mangala (Other varieties) 150 100 60 40 120 140

NUTRIENTS IN ORGANIC MANURES N P2O5 K2O Neem cake Coconut cake Groundnut cake Gingelly cake Castor cake Mahua cake Farm yard manure Compost (Rural ) Compost (Urban) Cowdung ( fresh) Biogas slurry (cowdung based) Sheep manure Poultry manure Bone meal Fish meal Meat meal Blood (dried) Sunhemp Daincha Kolinji Sesbania Graced Paddy straw House hold ash Coirpith Compost 5.2 3.0 7.0 6.2 4.3 2.5 0.5-1.5 0.4-0.8 1.0-2.0 1.5 1.6-1.8 0.8-1.6 1.2-1.8 3.5 4.1 11 11.5 2.6 3.3 3.20 2.7 2.90 0.36 0.5-1.9 1.26 1.0 1.9 1.5 2.0 2.0 0.8 0.4-0.8 0.3-0.6 1.0 0.3 1.1-2.0 0.4-0.6 1.4-1.8 21 3.9 1.5 -- 0.5 0.7 0.3 0.5 0.50 0.08 1.6-4.2 0.06 1.4 1.8 1.3 1.2 1.3 1.8 0.5-1.9 0.7-1.0 1.5 0.2 0.8-1.2 0.3-0.4 0.8-0.9 -- 0.3 0.6 0.6 2.0 1.30 1.30 2.2 2.8 0.71 2.3-12.00 1.20

NUTRIENTS IN COMMON FERTILIZERS

Name of fertilizer N P2O5 K2O Ammonium Sulphate Ammonium Nitrate Diammonium Phosphate Ammonium phosphate Sulphate Calcium Ammonium Nitrate Urea Super Phosphate Rock Phosphate Mussuriphos Muriate of Potash 20.6 33.5 18.0 16.0 25.0 46.0 -- -- -- -- -- -- 46.0 20.0 -- -- 16.0 28.4 18-20 -- -- -- -- -- -- -- -- -- -- 60

CONVERSION OF PURE NUTRIENTS TO FERTILIZERS

Quantities of fertilizers required to supply specified doses of nutrients Rate of application (kg/ha) Ammonium sulphate (20% N) Urea (46% N) Super Phosphate (18% P2O5) Muriate of Potash (60% K2O) 10 50 22 56 17 20 100 44 112 34 30 150 66 168 51 40 200 88 224 68 50 250 110 280 85 60 300 132 336 102 70 350 154 392 119 80 400 176 448 136 90 450 198 504 153 100 500 200 560 170

Very Useful Information to Give Fertilizer to Plants