crop production and management

weeds are the

• main crop plants

• insects and pests

• unwanted plants growing along the crop

• chemical substances

The process of loosening and turning the soil is called

• Broadcasting

• irrigation

• ploughing

• levelling

What does NPK stand for?

• Nutrients, Pancakes, Kittens
• Nitrogen, Phosphorus, Potassium
• Nitrogen, Potassium, Phosphorus

Do plants need Nitrogen, Phosphorus, and Potassium?

• No
• Yes

Which of the following is not a traditional method of irrigation?

• Moat

• Drip

• Dhekli

• Rahat

A seed drill helps in _________ and _________ . The information in which alternative completes the given statement?

• sowing seeds at a uniform distance, harvesting the produce

• sowing seeds at a uniform distance, saving time

• saving time, spreading manure

• harvesting the produce, spreading manure

Which of the following statements about the sowing of seeds is incorrect?

• Seeds should be sown at proper depth.
• Seeds should be sown close to each other.
• Sowing should be done after loosening the soil.
•  Sowing should be done with the help of seed drill.

Which of the following statements about fertilisers is correct?

• Fertilisers increase the water-holding capacity of soil.
• Fertilisers increase soil fertility in the long run.
• Fertilisers contain decomposed matter.
• Fertilisers contain inorganic salts.

Which of the following substances will not affect the fertility of soil when added to it for a long period of time?

• Urea
•  Ammonium sulphate
• Compost
• Super phosphate

Which of the following statements about manure is incorrect?

• Manure improves the texture of the soil.
• Manure adds inorganic matter to the soil.
• Manure increases the water-holding capacity of the soil.
• Manure enhances the growth of friendly bacteria in the soil.