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-3
What are the advantages of inter-cropping and crop rotation?
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Inter-cropping and crop rotation are two agricultural practices that offer several advantages, contributing to sustainable and efficient crop production. Inter-cropping involves cultivating two or more crops simultaneously in the same field. This practice provides numerous benefits, including enhanced biodiversity, reduced risk of crop failure, and improved resource utilization. Different crops have varied nutrient requirements and growth patterns, so inter-cropping allows for efficient use of available resources like sunlight, water, and soil nutrients. Additionally, the diversity created by inter-cropping can deter pests and diseases, as the presence of multiple crops disrupts the continuity of host plants for specific pests.
Crop rotation involves the sequential cultivation of different crops in the same field over a defined period. This practice helps break pest and disease cycles, improve soil fertility, and reduce the depletion of specific nutrients. Rotating crops prevents the buildup of pests and pathogens that target particular plant species, reducing the need for chemical interventions. Furthermore, different crops have different root structures and nutrient uptake patterns, which helps maintain soil fertility by preventing the excessive extraction of specific nutrients. Overall, inter-cropping and crop rotation contribute to sustainable agriculture by promoting ecological balance, minimizing the risk of crop loss, and maintaining soil health over the long term.
Advantages of using inter-cropping:
Advantages of using crop rotation:
Inter-cropping and crop rotation both play an important role in increasing the yield of crops. Inter-cropping helps in preventing pests and diseases to spread throughout the field. It also increases soil fertility, whereas crop rotation prevents soil depletion, increases soil fertility, and reduces soil erosion. Both these methods reduce the need for fertilizers. It also helps in controlling weeds and controls the growth of pathogens and pests in crops.
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