Lecture 3 : Protection from weed & Harvesting and Storage

Paddy is a major cereal crop in our country.
(a) In which season is paddy cultivated?
(b) Discuss the method of sowing.
(c) What measures must be taken to prevent spoilage and insect
attack of harvested grains.

As a part of eco-club activity students were asked to raise a kitchen
garden in the school premises. They were provided with some
materials given in the box. List the other materials you would
require. How will you plan the garden? Write the steps.
khurpi, water-can, spade, shovel

Despite favourable climatic conditions, a farmer’s crop failed to
give good yield. Give the possible reasons for this.

(a) Name the practice followed for large scale rearing of farm animals.
(b) What facilities are provided to farm animals?

(a) Name the tool used with a tractor for sowing seeds in a field.
(b) What are the advantages of using this tool?

From the word puzzle given as Fig. 1.1 find atleast eight words
which are ‘farmer’s friends.’ Classify them into living and non
living.

What are organic foods?

Match the agricultural implements given in Column A with their
use given in Column B.
Column A Column B
(i) Sickle (a) Ploughing
(ii) Hoe (b) Sowing
(iii) Seed Drill (c) Harvesting
(iv) Sprinkler (d) Irrigation
(i)___; (ii)___; (iii)___; (iv)___

Beera, wants to practice crop rotation in his field. Suggest a Rabi
crop and a Kharif crop which will replenish his field with nitrogen.
Which crop replenishes nitrogen and why?

Which activity of the farmer can promote growth of earthworms
and microbes in the field?

During which months do farmers grow mustard in India?

State whether the following statements are True or False. Correct
the false statements.
(i) Using good quality seed is the only criterion to get high
yield.
(ii) Growing different crops in different seasons in the same
field will deplete the soil of nutrients.
(iii) All crop plants are sown as seeds in the field.
(iv) Cells of root nodules of leguminous plants fix nitrogen.
(v) Freshly harvested grains must be dried before storing.

If you are given a dry piece of land for cultivation what will you
do before sowing the seeds?

Pick out the odd one from the following words given in the box
and give reason for it.
Plough, Seed Drill, Hoe, Chain Pump, Sickle

Complete the following word puzzle with the help of clues given below.

Down

1. Providing water to the crops.

2. Keeping crop grains for a long time under proper conditions.

5. Certain plants of the same kind grown on a large scale.

Across

3. A machine used for cutting the matured crop.

4. A rabi crop that is also one of the pulses.

6. A process of separating the grain from chaff.

Arrange the following boxes in proper order to make a flow chart of sugarcane crop production.

What are weeds? How can we control them?

Explain how soil gets affected by the continuous plantation of crops in a field.