class 8 science ch 1 Notes
CBSE Class 8 Whole Science Notes Crop production and management We already know that: All living organisms require food. The energy from food is utilised by an organism for carrying out its various life processes such as digestion, respiration and excretion. Plants can make their food themselves but animals including humans cannot. We get our food from plants or animals, or both. In our country three categories of crops are grown: Kharif Crops: The crops which are grown in the rainy season (i.e., from June to September) are called Kharif crops. Paddy, maize, soybean, groundnut, and cotton are Kharif crops. Rabi Crops: The crops are grown in the winter season (i.e., from October to March) are called rabi crops. Examples of rabi crops are wheat, gram, pea, mustard, and linseed. Zaid Crops (or Summer Crops): The crops grown in the summer season are ( called zaid crops. Moong, muskmelon, watermelon, cucumber, gourd and bitter gourd are examples of zaid crops. Cultivation of cro...
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