Soil Fertility and Nutrient Management
154 videos • 133,091 views • by Amit Bhatnagar Classes
Soil fertility and nutrient management
1
Types of Fertilizers
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2
Manures and their types
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3
Integrated Nutrient Management
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4
Factors Affecting Potassium Availability
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5
Potassium Cycle in Soil
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6
Form of Potassium in Soil
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7
Factors affecting Phosphorus Fixation and Solubility
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8
Inorganic Form of Phosphorus in Soil
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9
Organic form of Phosphorus in Soil
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10
Phosphorus Cycle in Soil
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11
Volatilization of Ammonia
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12
Ammonium Fixation in Soil
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13
Denitrification and its Effects
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14
Nitrification and its Importance
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15
Nitrogen Cycle and its Importance in Soil Fertility
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16
Biofertilizers and their Classification
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17
Discussion and Questions from Organic Matter and Soil Fertility
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18
Decomposition of Organic Matter and C:N ratio
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19
Organic matter and Humus
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20
Chemical Properties of Soil and Soil Fertility
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21
Soil Physical Properties and Soil Fertility
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22
Effect of Soil pH on Nutrients Availability
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23
Causes of Soil Salinity
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24
Why do soils become acidic ?
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25
Soil Fertility and Soil Productivity
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26
Causes of Reduction in Soil Fertility and Management
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27
Leaching Requirement and Drainage Requirement
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28
Gypsum Requirement for Reclamation of Sodic (Alkali) Soils
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29
Reclamation of Salt Affected Soils
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30
Features of Saline and Sodic (Alkali) Soils
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31
Classification of Salt Affected Soils : Saline and Sodic Soils
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32
Importance and Calculation of PBS, ESP, SAR and RSC
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33
Essential nutrients for Plants
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34
Classification of plant nutrients based on requirement
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35
Beneficial, functional and quasi essential nutrients in plants
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36
Nutrient classification based on mobility in soil and plant
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37
Scientists associated with establishment of essentially of plant nutrients
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38
Types and Properties of Nitrogenous Fertilizers
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39
Types of Phosphatic Fertilizers
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40
Properties of Phosphatic Fertilizers
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41
Types and Properties Potassic Fertilizers
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42
Manufacture and Properties of Urea
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43
Nitrogen Splitting
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44
Nitrate and Ammonium Form of Nitrogen in Soil and Plants
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45
Why are Macro Nutrients Required in Large Amount and Micro Nutrients in Less Amount?
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46
Hidden Hunger, Steenberg Effect, Dilution Effect, Luxury Consumption
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47
Explanation of Criteria of Essentiality of Nutrients
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48
Types of Micronutrient Fertilizers
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49
Mineral Source of Essential Nutrients
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50
Important Functions of Macro Nutrients
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51
Important Functions of Micro Nutrients
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52
Differences Between Nutrient Deficiency Symptoms
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53
Foliar Spray of Urea: Why, When and How
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54
Concept of Immobilization and Mineralization of Nutrients
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55
Adverse Effects of Excess Amount of Urea
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56
Reasoning Related to Fertilizer Use
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57
Agronomic and Physiological Nutrient Use Efficiency
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58
All Fertile Soils are not Productive But All Productive Soils are Fertile
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59
Reasons: Need of Integrated Nutrient Management (INM)
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60
Facts and Reasons for Nutrient Use
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61
Constraints in Integrated Nutrient Management
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62
Why Nitrogen is Lost From Soil
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63
Effect of Biological Activities On Soil Properties
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64
Disadvantages of Raw FYM
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65
Difference between Decomposed and Raw FYM
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66
What is Nutrient Leaching?
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67
Why Phosphorus Deficiency in Winter Season
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68
Why Nitrogen deficiency in waterlogged area
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69
K Deficiency Symptoms and Reasons
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70
Soil and Foliar Application of Zinc Sulphate
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71
Nitrogen Transformation in Submerged Field
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72
Why is urea super granules used in transplanted rice?
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73
What are NPK Complex Fertilizers (12:32:16)
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74
Why no leaching of Phosphorus?
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75
Chelates - Nutrients Cycle
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76
Which nutrient is most important?
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77
Why Nitrogen Application Increases Organic Matter Decomposition?
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78
Organic and Inorganic Form of Nitrogen in Soil
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79
What is Organic Form of K in Soil and Plants?
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80
Organic Form of Phosphorus in Soil and Plants
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81
Reasons for Nitrogen Deficiency in Light Textured Soils
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82
Reasons for Poor Nutrients Availability in Winter Season
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83
Lime Induced Chlorosis
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84
Green Manuring
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85
Why Maximum Soil Nitrogen is in Organic Form?
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86
Why Soil Fertility is Affected by Texture?
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87
Why Does Soil Structure Affect Soil Fertility and Plant Growth?
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88
Strength of Cation Adsorption on Clay Colloides
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89
Which Processes are Responsible for Nutrient Conservation
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90
Causes of Organic Matter Depletion in Soil
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91
Effect on Zinc Availability by Soil pH
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92
Nutrient Transformation Processes
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93
Difference in Nutrient Immobilization and Chelation
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94
Soil pH effect on Copper Availability
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95
Soil pH effect on Mn and Mo availability
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96
How Iron availability is affected by Soil pH
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97
Why Carbon to Nitrogen ( C:N) Ratio of Soils is Constant?
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98
Why Slow Decomposition of Rice Residues?
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99
Effect of Soil pH on Availability of Secondary Nutrients Ca, Mg and S
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100
Why Organic Matter in Zero Tillage Increases and in Conventional Tillage Decreases ?
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101
Nitrogen Mineralization Process
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102
Why Difference in pH of Saline and Alkali Soils ?
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103
Leaching Requirement in Salt Affected Soils
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104
Primary and Secondary Salinisation of Soils
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105
Appropriate Time for Foliar Spray of Nutrients
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106
Micro Nutrient Foliar Spray
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107
Electrical Conductivity of Soil
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108
Importance of Potassium in Plants
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109
Importance of Sulphur in Oilseed Crops
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110
Why Zinc Deficiency Causes Short Plant Height
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111
Types of Calcium Phosphates in Phosphatic Fertilizers
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112
Why Nitrogen Deficiency Due to Waterlogging
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113
Primary and Secondary Nutrients
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114
Why More Nitrogen Requirement of Plants?
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115
Advantages and Constraints of Biofertilizers
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116
Methods and Time of Biofertilizer Application
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117
Important Facts About Micronutrients
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118
Sources of Sulphur and Formation of Sulphate in Soils
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119
Advantages of Phosphorus Solubilising Biofertilizers
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120
Liquid Biofertilizers
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121
Effects of Organic Matter on Microbial Activity.
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122
How to Reduce pH of Saline and Alkali Soils?
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123
Organic Carbon and its Relation With Organic Matter
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124
How to Know Status of Organic Matter in Soil?
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125
Right Time For Application of FYM and Compost
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126
Concept of Nutrient Mobility and Availability in Soil
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127
How Much Nitrogen (kg/ha) is Available From Organic Matter ?
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128
Rating Limit for Soil Organic Carbon, Avilalble N, P and K.
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129
Principle and Method of Determination of Total Nitrogen in Soil and Plants
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130
Determination of Available (Mineralizable) Nitrogen in Soil
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131
What are total and available N, P and K?
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132
Why More Nitrogen Volatilization in Calcareous, High pH and High Moisture Soils?
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133
Total, Exchangeable and Available Nutrients
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134
Why more volatilization from ammonium sulphate than chloride and nitrate salt?
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135
Why More Volatilization Loss From Urea?
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136
Advantages of NPK Fertilizer
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137
Nutrient Toxicity and Deficiency in Acidic Soils
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138
Nutrient Imbalance in Alkaline Soils.
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139
Why are acidic soils reclamed by calcium carbonate but not by gypsum?
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140
Methods to Improve Leaching in SaIt Affected Soils
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141
Characteristics of Calcareous Soils
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142
Problems and Management of Calcareous Soils
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143
Why Difference in Organic Matter Content in Sandy and Clayey Soils
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144
How do VAM Biofertilizers Increase Phosphorus Uptake?
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145
Role of Potassium in Nitrogen Utilization
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146
Advantages of Single Super Phosphate (SSP) Fertilizer. SSP खाद के फायदे
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147
Losses and Management of Urea in Crops
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148
Avoid Excess Nitrogen Application in Crops
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149
Why Nitrogen Deficiency in Crops
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150
Why do Plants Become Yellow after FYM Application?
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151
How to Apply Potassium After Sowing?
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152
Fertilizer Grade and Ratio: Difference and Importance
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153
Crop Residue Decay in Field
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154
Identification of Nitrogen Deficiency in Plants
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