Question

1. Name the following:
a) Two modern methods of irrigating crops.
b) Two process used to seperate seeds from chaff.

2. What is weedicide??


​

Answer 1

Answer:

1.

a) drip irrigation, sprinkler irrigation

b) 1. winnowing · 2. Rearing Of fishes

2.

Weedicides are the chemicals which are sprayed over the fields to get rid of weeds. ... Weedicides are the chemicals which are sprayed over field to get rid of weeds. They will not show any effect on crop plants.

mark me brainliest

Answer 2

Answer:

a The modern methods of irrigation include: Sprinkler System. Drip System.

b About Separating Seeds from Chaff

This is a two-step process involving threshing and winnowing. Threshing means loosening the hull from the grain kernel while winnowing means to get rid of the hull.

2Weedicides are the chemicals which are sprayed over the fields to get rid of weeds. 2, 4-D (2, 4 dichlorophenoxy acetic acid) acts as a dicot weedicide. Weeds are those plants which grouws in between the crops. Weedicides are the chemicals which are sprayed over field to get rid of weeds.