Fertilisers And Manures

Manures and Fertilizers

Despite The Considerable Progress Made In Enhancing The Capacity Of Soils To Produce Crops Through The Use Of Manures And Fertilizers, There Are Yet A Large Number Of Ignorant Peasants In Many Asian Countries, Including India, Who Have Been Growing Crops Without Applying Adequate Amounts Of Manures And Fertilizers To Their Crop Fields And Consequently Obtaining Considerably Less Yields. It Needs To Be Realized By One And All That Soil, Particularly In The Developing Countries, Has To Be Fertile Enough If Their Ever-Increasing Huge Population Is To Be Adequately Fed And Clothed. Accordingly, Knowledge Of Farmyard Manure, Compost, Fertilizers And Other Agricultural By-Products And Their Applications Is Indispensable.The Present Book Is A Sincere Effort In Disseminating Information On Manures And Fertilizers. Primarily Designed As A Textbook, Its Wide Coverage Includes Varied Manures And Their Preparation And Effects; And Production And Consumption Of Various Fertilizers Along With The Detailed Elucidation Of Their Properties, Uses, Advantages And Disadvantages. Application Of Both Manures And Fertilizers Separately And In Combination Has Been Explained In Depth In Reference To Individual Crops Of Extensive Variety. It Analyses The Applied Aspects Of Fertilizers And Manures In Their Entirety And Suggests How To Adjust Them To Particular Soil And Particular Style Of Farming. The Book Is Well Supplemented With References And Indexes Which Will Prove Useful Study-Aids To Readers. Owing To Its Reader-Friendly Approach To The Subject, Simple Language And Lucid Style, The Book Is Accessible Even To Average Readers. While It Ideally Caters To The Academic Needs Of Undergraduate And Postgraduate Students Of Agriculture Science, It Is A Lasting Valuable Reference Source For Researchers And Teachers, Peasants, Geologists And Soil Surveyors.

Fertilisers and Manures

Fertilizers and Manures

Notwithstanding The Availability Of A Number Of Modern Books, This Classic Work Still Remains An Important Reference Source For The Farmers As Well As Students And Teachers Of Agriculture. Going Away From The Traditional Style Of Explaining The Origin And Composition Of Fertilizers And Manures, The Author Describes Lucidly Their Mode Of Action And Their Relation To Particular Crops And Soils. Enriched With Tables Of Scientific Data, The Text Covers The Need, Sources, Functions, Uses And Also A Comparative Analysis Various Fertilizers And Manures Nitrogenous, Phosphatic And Potassic. Also Discussed Is The Use Of Waste Organic Compounds As Manures, The Requirement Of Trace Elements For Plant Nutrition, Use Of Farmyard Manure And The Role Of Materials Having Lesser Direct Fertilizing Value. On The Whole, It Is A Unique Book On The Applied Aspect Of Fertilizers And Manures, Telling How To Adjust Them To Particular Soil And Particular Style Of Farming. Contents: Chapter 1: Introductory; Historical, The Nutrient Solution, The Nutrients In The Soil, Chapter 2: The Sources Of Nitrogen In Vegetation And Soil; Need For Combined Nitrogen, Nitorgen-Fixing Organisms, Fertility Level, Chapter 3: Fertilizers Containing Nitrogen; Sodium Nitrate, Pottassium Nitrate, By-Product Ammonium Sulphate, World Production And Consumption Of Nitrogen, Fixation Of Atmospheric Nitrogen, Calcium Cyanamide, Calcium Nitrate, Synthetic Ammonium Sulphate, Production Costs, Urea, Waste Products As Nitrogenous Manures, Soot, Shoddies, Dried Blood, Chapter 4: The Function And Comparative Value Of Nitrogenous Manures; Effects Of Nitrogen, Response To Nitrogen, Yield And Composition, Creals, Grass, Kale, Root Crops, Comparison Of Different Nitrogenous Fertilizers, Cation Exchange, Soil Acidity, Soil Texture, Suitability, Cost, Experimental Results, Recovery Of Nitrogen, Chapter 5: Phosphatic Manures; The Phosphates Of Calcium, Bone Manures, Guanos, Mineral Phosphates, Origin, Production, Superphosphate, World Production, Manufacture, Composition, World Consumption, Reactions, Concentrated Superphosphate, Metaphosphates, Ammonium Phosphates, Calcined And Other Manufactured Phosphates, Basic Slage, Grades, Production, Chapter 6: The Function And Use Of Phophatic Fertilizers; Effects Of Phosphate, Response To Phosphate, Availability, Comparison Of Fertilizers, Fertilizer Placement, Relative Costs, Special Conditions, Chapter 7: The Potassic Fertilizers; Nomenclature, Soures Of Potassium Salts, Germany, Alsace, Usa, Spain, Poland, Palestine, Ussr, Other Supplies, Effects Of Potasium, Cereals, Roots, Legumes, Fruits, Health, Maturity, Yield, Comparison Of Different Potassium Compounds, Chapter 8: Farmyard Manure; Food, Animal Litter, Decompsition, Urea, Nitrification, Putrefaction, Humification, Gases, Product, Losses, Preservatives, Composting, Composition Of Farmyard Manure, Management, Value As A Fertilizer, Nitrogen, Phosphorus And Potassium, Other Constituents, Effect Of Soil Texture, Crop Response, Cost Of Farmyard Manure, Chapter 9: Waste Organic Compounds; Animal Residues, Guano, Fish Guano, Meat And Bone Meal, Greaves, Hoof And Horn Meal, Poultry Manure, Plant Residues, Rape Dust And Other Cake Residues, Brewing And Distilling Waste Products, Seaweed, Peat Moss Litter, Town Refuse, Screened Dust, Sewage Sludge, Chapter 10: Materials Of Less Direct Fertilizing Value; Lime, Liming Materials, Oxide, Carbonate, Waste Materials, Soil Acidity, Effects Of Acidity, Correction Of Acidity, Chemical Effects, Physical Action, Gypsum, Salt, Cereals, Roots, Silicates, Green Manuring, Growth Regulating Subtances, Chapter 11: Fertilizer Requirement And The Trace Elements; Soil Conditions, Effect Of Rotations, Limiting Factors, Manurial Requirements, Chemical Methods, Biochemical Methods, Pot Culture, Field Results, Consumption Of Fertilizers, Trace Elements, Manganese, Iron, Magnesium, Boron, Copper, Zinc, Sulphur, Molybdenum, Chapter 12: Systems Of Manuring Crops; General Considerations, Cereals, Wheat, Barley, Oats, Rye, Maize, Root Crops, Swedes, Other Crucifers, Mangolds, Potatoes, Leguminous Crops, Beans, Clover, Lucerne, Sainfoin, Vetches, Trefoil, Grassland, Hay, Pasture, Hops, Fruit Plantations, Tropial And Sub-Tropical Crops, Sugar Cane, Cotton, Tobacco, Tea, Gardens, Chapter 13: The Valuation And Purchase Of Fertilizers; Unit Values, Fertilizer Prices, Regulations, Mixtures, Manurial Residues, Compensation Values Of Feeding Stuffs, Chapter 14: The Distribution Of Fertilizers And Field Experimentation; Machines, Field Experiments, Sources Of Error, Soil Heterogeneity, Experimental Design, Technique, Results.