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FERTILIZER APPLICATION 2


4. Manure and fertilizer application
Manures of various types (organic or inorganic) are applied to the soil to improve plant growth, development and production. They arc applied both in the nursery and permanent plot.




Manures should be supplied in a balanced amount or at recommended dosage and forms. They should be applied at the right lime and under suitable weather conditions. Manures are applied during planting or just after planting and again before flowering for a uood result.

Manures must not be applied directly on the crops, but a few centimetres away from each stand. This will help to avoid burning or scorching of plants.
Methods of manure and fertilizer application have been discussed under fertility management in Unit Two of this chapter.

5. Waterin


Water is an important factor in agricultural production. The amount of water available in an area determines the type and volume of crops and animals produced in the area. Water is needed by crops at early stages and during production. It is necessary for the survival and production of both plants and farm animals.

In small scale production, watering cans can be used to supply water to crops. In the case of large scale production, irrigation practice is necessary especially jn the dry season when the water need of crops is highest.

6. Weeding
The major problem facing farmers in crop production is weed control. Weeds constitute a nuisance to crop production. They compete with crops for space, available water and essential mineral nutrients. They reduce the quality and market value of harvested farm products. Some produce poisonous, substances that are harmful to both crops and animals on field grazing; Weeds also harbour insect pests of crops. The control of weeds, results in high cost of production to the farmers. The presence of weeds in fish ponds
inhibits the air and light available in the pond. This reduces the productivity of the fish in the pond.

The farm should be weeded often; Depending on the type of crops grown, weeding could be twice or more before maturity. This can be done either by hoeing, hand pulling, the use of cutlass or by chemical method which involves spraying the weeds herbicides cover crops could be planted to smother weeds.

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You can read some of most interesting topics below
Agricultural biology topics


HERE YOU WILL FIND EVERY AVAILABLE TOPICS ABOUT AGRICULTURAL SCIENCE AND BIOLOGY. AND THE LINKS TO THEIR VARIOUS SOURCES.
1. DEVELOPMENT OF AGRICULTURE
2. IMPORTANCE OF AGRICULTURE
3. SUBSISTENCE AGRICULTURE
4. COMMERCIAL AGRICULTURE
5. PROBLEM OF AGRICULTURAL DEVELOPMENT
6. SOLUTIONS TO POOR AGRICULTURAL DEVELOPMENT
7. AGRICULTURAL LAWS AND REFORMS
8. ROLES OF GOVERNMENT IN AGRICULTURAL DEVELOPMENT
9. AGRICULTURAL POLICIES
10. PROGRAM PLANNING IN AGRICULTURE
34.
FORESTRY
35. WILDLIFE CONSERVATION
36. FACTORS AFFECTING LAND AVAILABILITY
37. TOPOGRAPHY
38. SOIL
39. BIOLOGICAL FACTORS
40. SOCIAL-ECONOMIC FACTORS
41. ENVIRONMENTAL FACTORS AFFECTING AGRICULTURAL PRODUCTION
42. CLIMATIC FACTORS AFFECTING AGRICULTURAL PRODUCTION
43. TEMPERATURE
44. RAINFALL
45. WIND
46. SUNLIGHT
47. SOLAR RADIATION
48. BIOTIC FACTOR AND AGRICULTURAL PRODUCTION
49. PESTS
50. BIRDS
51. DISEASES
52. SOIL MICRO-ORGANISMS
53. SOIL PH
54. ROCK FORMATION
55. IGNEOUS ROCK
56. SEDIMENTARY ROCKS
57. METAMORPHIC
58. SOIL AND ITS FORMATION
59. FACTORS OF SOIL FORMATION
60. LIVING ORGANISM
61. PARENT MATERIALS
62. SOIL FORMATION TOPOGRAPHY
63. PROCESS OF SOIL FORMATION
64. WEATHERING
65. PHYSICAL WEATHERING
66. CHEMICAL WEATHERING
67. PRESSURE
68. WATER
73. BIOLOGICAL WEATHERING
74. CHEMICAL AND BIOLOGICAL COMPOSITION OF THE SOIL
75. SOIL WATER
76. MICRO AND MACRO NUTRIENTS
77. SOIL MICRO ORGANISM
78. PROPERTIES OF SOIL
79. SOIL STRUCTURE
80. SANDY SOIL
81. CLAY SOIL
82. LOAMY SOIL

83. SOIL TEXTURE
84. IDENTIFICATION OF SOIL TYPES THROUGH EXPERIMENTS
85. RETENTION OF WATER BY VARIOUS SOIL TYPES
86. DETERMINATION OF SOIL PH REACTION
87. COLORIMETRIC DETERMINATION OF SOIL PH LEVEL
88. PH SOIL TEST
89. PLANT NUTRIENTS
90.
MACRO NUTRIENTS IN GENERAL
112.
THE MAINTENANCE OF SOIL FERTILITY
113. CROP ROTATION
114. APPLICATION OF ORGANIC MANURES
115. FARM YARD MANURE
116. APPLICATION OF INORGANIC MANURE

117. LIMING
118. FARMING PRACTICES
119. BUSH BURNING
120. CLEARING

121. FERTILIZER APPLICATION
122. ORGANIC MANURING
123. FARM YARD MANURE

124. HUMUS
125. COMPOST
126. CROP ROTATION
133. FARM POWER AND MACHINERY
134. SOURCES OF FARM POWER
135. HUMAN SOURCE
149.
PLOUGHS
142.
FIELD MACHINES
157.
PLANTERS
164.
SIMPLE FARM TOOLS
165. AGRICULTURAL MECHANIZATION
166. THE CONCEPT OF MECHANIZATION

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