Podcast
Questions and Answers
How are crops identified in agriculture?
How are crops identified in agriculture?
- By their taste
- By their color
- By their common and scientific name (correct)
- By their size
What is a disadvantage of using common names to identify crops?
What is a disadvantage of using common names to identify crops?
- Common names do not vary by location
- Common names can differ from one location to another (correct)
- Common names are universal
- Common names are always in Latin
How are crops classified according to the text?
How are crops classified according to the text?
- By their country of origin
- By their color
- By their scientific name
- By their life cycle, mode of reproduction, and growth habit (correct)
What is the importance of identifying crops?
What is the importance of identifying crops?
What is the purpose of associating assessed features of a crop with its common or scientific name?
What is the purpose of associating assessed features of a crop with its common or scientific name?
Why are scientific names used to identify crops?
Why are scientific names used to identify crops?
Which type of crop is characterized by having several main branches with no trunk and rarely growing higher than five meters?
Which type of crop is characterized by having several main branches with no trunk and rarely growing higher than five meters?
What type of plants are lianas based on their growth habit?
What type of plants are lianas based on their growth habit?
Which category of crops includes rice, corn, wheat, and sorghum?
Which category of crops includes rice, corn, wheat, and sorghum?
At what stage are crops often characterized according to the provided text?
At what stage are crops often characterized according to the provided text?
Which type of crop typically has a single central stem with branches attached and is usually taller than a shrub?
Which type of crop typically has a single central stem with branches attached and is usually taller than a shrub?
What distinguishes succulent plants without self-supporting stems based on the text?
What distinguishes succulent plants without self-supporting stems based on the text?
Which type of crop is used to improve the soil by plowing it under while still green and growing?
Which type of crop is used to improve the soil by plowing it under while still green and growing?
What type of crop is sown with another crop, harvested separately, and provides benefits to either or both crops?
What type of crop is sown with another crop, harvested separately, and provides benefits to either or both crops?
Which type of crop is grown to provide soil cover, prevent erosion, improve soil, and control weeds?
Which type of crop is grown to provide soil cover, prevent erosion, improve soil, and control weeds?
What is the purpose of a trap crop in agriculture?
What is the purpose of a trap crop in agriculture?
Which type of crop is grown immediately after the main crop fails to utilize residual resources?
Which type of crop is grown immediately after the main crop fails to utilize residual resources?
'Grasses grown, cut, and directly fed to animals' best describes which of the following?
'Grasses grown, cut, and directly fed to animals' best describes which of the following?
Study Notes
Identification of Crops
- Crops are diverse, and identification is essential in agriculture, particularly in propagation, collection, weed, and toxic plant discrimination.
- Identification is made by comparing morphological characteristics of an unknown plant to a known one.
- Common names are not universal and may differ from one location to another, hence scientific names are used to formally identify crops.
Classification of Crops
- Crops can be classified according to their life cycle, mode of reproduction, growth habit, and agronomic or horticultural classification.
- Life cycle in cultivation may differ from biological life cycle.
Growth Habit
- Herbs: succulent plants with self-supporting stems.
- Vines: succulent plants without self-supporting stems.
- Shrubs: may have several main branches with no trunk and rarely grows higher than five meters.
- Trees: with single central stem to which branches are attached, usually taller than a shrub.
- Liana: long-stemmed, woody vines that are rooted in the soil and use trees and other structures for vertical support.
Classification of Crops based on Use or Purpose
- Cereals/grain crops: grasses grown for their grains (e.g., rice, corn, wheat, sorghum).
- Green manure: a crop that is plowed under while still green and growing to improve the soil.
- Cover crop: a crop grown to provide soil cover, prevent soil erosion by wind or water, improve soil, and control weeds.
- Companion crop: a crop sown with another crop and harvested separately.
- Trap crop: a crop that attracts pests away from the main crop.
- Catch crop: a short-seasoned crop grown immediately after the failure of the main crop to utilize residual resources.
- Soilage: grasses grown, cut, and directly fed to animals.
- Silage: grasses grown, cut, fermented, and preserved before being fed to animals.
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Description
Test your knowledge on identifying and classifying major agronomic and horticultural crops by their common and scientific names, as well as understanding important products of crops. Classify crops based on life cycle, mode of reproduction, growth habit, and agronomic or horticultural traits.
