NCERT Solutions for Class 9 Science Chapter 15
Important NCERT Questions
Improvements in Food Resources
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Exercises Questions
Page No-214
Questions No-1
Explain any one method of crop production which ensures high yield.
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Pasturage, in the context of honey production, refers to the availability and quality of forage or floral resources that honeybees rely on for nectar and pollen collection. It encompasses the diversity and abundance of flowering plants in a specific area, which directly influences the quantity and flavor profile of the honey produced. Adequate pasturage is essential for supporting healthy bee colonies and maximizing honey production. A rich and diverse floral environment provides bees with a variety of nectar sources, resulting in a more complex and flavorful honey. Different plants contribute unique characteristics to the honey, influencing its color, taste, and aroma.
For beekeepers, understanding and managing pasturage is crucial for maintaining productive apiaries. They often choose apiary locations with abundant and diverse floral resources to ensure a sustained and well-balanced diet for their honeybees. Monitoring local flowering patterns and the availability of nectar-producing plants helps beekeepers plan hive placement and extraction times to optimize honey production. In regions with reliable pasturage, beekeepers can establish thriving colonies that contribute to a sustainable and flourishing honey production industry.
One method used for crop production which ensures high yield is plant breeding. It is the science involved in improving the varieties of crops by breeding plants. The plants from different areas/places is picked up with desired traits and then hybridisation or cross-breeding of these varieties is done to obtain a plant/crop of desired characteristic.
The high yielding crop variety shows the following characteristics:
High yield, early maturation, less water for irrigation, better quality seeds are produced, less fertilizers required, adapts itself to the environmental conditions.
Crop rotation is one of the methods of crop production that ensures high yield. It is the method of growing two or more varieties of crops on the same land in sequential seasons. A crop utilises some particular nutrients in larger quantities from the soil. Then, if the same crop is grown in subsequent seasons those nutrients will get depleted in the soil. Therefore, crops having different nutrient requirements are rotated. For example, legumes which have nitrogen-fixing bacteria in their root nodules supply the soil with nitrogen. Therefore, these legumes are rotated with nitrogen requiring cereals such as wheat and maize. This method reduces the need of fertilizers, thereby increasing the overall yield of crops.
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