Soil Science and Plant Nutrition
Soil Science and Plant Nutrition Important Tables
1.Major elements in bulky organic manures
| Bulky Manure | N% | P2O5 % | K2O% |
| Farm yard manure | 0.5 | 0.2 | 0.5 |
| Compost manure | 0.5 | 0.15 | 0.5 |
| Town compost | 1.4 | 1 | 1.4 |
| Animal urine | 1.0 | 0.02 | 1.0 |
| Poultry urine | 1.46 | 0.17 | 0.62 |
| Sheep dung | 0.7 | 0.5 | 1.8 |
| Sira (Molasses) | 0.3 | 0.5 | 2.1 |
| Pressmud | 0.9 | 2.8 | 0.9 |
| Night Soil | 5.5 | 4.0 | 2.0 |
| Poultry manure | 3.0 | 2.5 | 1.4 |
| Sheep manure | 3 | 1 | 2 |
| Vermicompost | 1.5-2.5 | 1.25-2.25 | 1-2 |
| Green manure of sunhemp | 2.3 | 0.5 | 1.8 |
| Green manure of daicha | 2.7-3.5 | 0.53-6 | 1.2-2.21 |
2.Major elements in concentrated organic manures
| Concentrated | N% | P2O5 % | K2O% |
| Castor cake | 4.5 | 2.0 | 0.9 |
| Groundnut cake | 7.4 | 1.5 | 1.3 |
| Neem cake | 5.2 | 1.0 | 1.4 |
| Mahua cake | 2.5 | 0.8 | 1.8 |
| Linseed cake | 5.5 | 1.4 | 1.3 |
| Mustard cake | 5.2 | 1.7 | 1.2 |
| Sesame | 6.2 | 2.0 | 1.2 |
| Cotton seed cake | 3.4 | 1.9 | 1.6 |
| Blood Manure | 12 | 1.3 | 0 |
| Fish manure | 4.1 | 3.9 | 0.3-1.5 |
| Bone manure | 3-5 | 20-22 | 0 |
| Meat meal | 10.5 | 2.5 | 0 |
| Bird Ghano | 7.1 | 8.1 | 0.65 |
3.Classification composition of the earth crust
| Element | Earth Crust |
| Oxygen | 46.46 % |
| Si (Silicon) | 27.60 % |
| Al (Aluminium) | 8.07 % |
| Fe (Iron) | 5.06% |
| Ca (Calcium) | 3.65 % |
| Na (Sodium) | 2.75 % |
| K(Potasium) | 2.75 % |
| Mg (Magnesium) | 2.60 % |
| other | 2.20 % |
4.Composition of soil air
| Gases | Soil air |
| Nitrogen (N) | 79.2 % |
| Oxygen (O2) | 20.6 % |
| Carbon dioxide (Co2) | 0.25 % |
5.Elements & their form of availability
| Elements | Form of uptake |
| Basic Elements | |
| Carbon (C) | Co2 |
| Hydrogen (H) | H2O |
| Oxygen (O) | H2O, O2+ |
| Major /Macro-Nutrients | |
| Nitrogen (N) | NH4+ (Ammonium), NO3– (Nitrate) |
| Phosphorus (P) | H2PO4– (Mono phosphate), HPO42- (Di phosphate), PO43- (Triphosphate) |
| Potassium (K) | K+ |
| Secondary nutrients | |
| Calcium (Ca) | Ca2+ |
| Magnesiun (Mg) | Mg2+ |
| Sulphur (S) | SO42- (Sulphate) |
| Micro-Nutrients | |
| Iron (Fe) | Fe3+ (Ferric), Fe2+ (Ferrous) |
| Zinc (Zn) | Zn2+ |
| Boron (Bo) | H2BO3-, HBO32-, BO33-, B4O72- |
| Manganese (Mn) | Mn2+ |
| Copper (Cu) | Cu2+ (Cupric), Cu+ (Cuprous), |
| Molybdenum (Mo) | MoO42- |
| Chlorine (CI) | Cl– |
| Nickel (Ni) | Ni2+ |
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