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9 May 2018

PRECAUTIONS TO BE TAKEN WHEN USING HERBICIDES


PRECAUTIONS TO BE TAKEN WHEN USING HERBICIDES
In handling of herbicides, the following precautionary measures should be observed:



1. It should not be allowed to touch the body either during mixing or use. Therefore, a stick should be used to stir when mixing it with water in a bucket.
2. It should be kept away from food and sleeping rooms. The container containing the herbicide should be marked "danger". It should not be drank,
3. Do not eat or drink when using herbicides.
4. Always put on protective coverings such as hand gloves, overall and rubber boots before using herbicides.
5. Always ensure that you back the wind direction when spraying to avoid spraying onto yourself.
6. Do not spray herbicides on cultivated crops except weeds.
7. Wash your body with soap as well as all spraying equipment after use.
8. Contact a medical doctor when feeling uneasy due to the use of herbicides.


Modern, research in weed science has recommended the integrated weed control method for effective eradication of weeds. This method simply means the combination of two or more methods together in the control of, weeds. For instance, cultural practices) such as burning and tillage can be supplemented with pre-emergence herbicides application. That is. spraying the farmland when the weeds have not appeared.

Benefits of weed control
1. Overcrowding and shading of crops are removed.
2. The alternate host of pests and disease organisms of crops are: eliminated.
3. The crops will be able to make full use of nutrients, water, air and light.
4. Water loss from the soil through evapo-transpiration is brought low.
5. The farm will become clean for easy activities such as application of fertilizer and harvesting operations.
6. There is high yield from crops when weeds are controlled.
7. Weed control reduces contamination of crop products such all rice and vegetables.




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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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STUDY QUESTIONS
1. What are weeds? Give Ten examples of common garden weeds
2. State Five harmful effects of weeds on cultivated crops.
3. List four major ways through which weeds can spread.
4. List Ten common weeds. State their common and botanical
5. Enumerate four ways through which weeds can be controlled on your school farmland.
6. Briefly explain the following as methods of weed control
(i) Hoeing
(ii) Use of insects
(iii) Selective herbicides
(iv) Early planting
(v) Integrated weed control.
7. Enumerate Five precautions you would take when using chemical herbicides in weed control.
8. What are the benefits of weed control to the farmer and his crops?
9. State four qualities of a good herbicide.
10. Briefly explain integrated weed control metfiod and why would you recommend it?



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