Biology, asked by Anonymous, 9 months ago

Please answer these questions :
1. How can we control weeds?
2. What are the advantages of using manure in fields? ​

Answers

Answered by Anonymous
2

Answer:

1.

# Kill weeds at their roots but leave the soil—and dormant weed seeds—largely undisturbed. ...

# use weedicides

# Mind the gaps between plants. ...

# Water the plants you want, not the weeds you've got.

2.Manure organic matter contributes to improved soil structure, resulting in improved water infiltration and greater water-holding capacity leading to decreased crop water stress, soil erosion, and increased nutrient retention.

Explanation:

hope this will help u

Answered by Anonymous
4

Answer:

Advantages of using manure--

  1. Manure enhances the water-holding capacity of the soil.
  2. Manure makes the soil porous due to which the ex change if gases becomes easy
  3. Manure increases the number of useful microbes in the soil.
  4. Manure improves the texture of the soil

The unwanted plants which grow along with a cultivated crop are called weeds.Weeds can be destroyed by spraying special chemicals called weedicides in the crop, Thus the various methods of removing weeds are

  1. Removal of weeds by pulling them out with hand
  2. Removal of weeds by using a Trowel.

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