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PRESENTATION TOPIC
IMPOTANCE OF CROP ROTATION
• Easy to control weeds.
• Easy to keep plant diseases and insects pests under control.
• Increase biological activity.
• Increase soil fertility, structure and organic matter.
• Positive effects of rotations on succseedingcrops.
PRINCIPLES OF CROP ROTATION
COMMON CROP ROTATION PATTERN
In canals irrigated areas
• One year rotation.• Rice- Wheat
• Two years rotation• Wheat-cotton-fallow-cotton
• Three years rotation• Wheat-toria-cotton
COMMON CROP ROTATION PATTERN
In well irrigated areas
• One year rotation• Tobacco-maize-potato
• Two years rotation• Maize-wheat-bajra-turnip
• Three years rotation• Maize-wheat-oat-sugarcane
• Tobacco-maize-senji-sugarcane
COMMON CROP ROTATION PATTERN
In Barani areas
• One year rotation• Wheat or gram-chari+guara or bajra
• Two years rotation• Wheat-gram-sarsoon
• Three years rotation• Wheat-mash-sesame-fallow