Question

orest rangers at a national park want to take a sample of trees to estimate what

proportion of trees in the park are infected with a certain disease. The population of

trees in question is divided by a creek. East of the creek, most of the trees are oak.

West of the creek, most trees are cedar, which are more likely to be infected. Which

sampling technique will give best result to take sample? Explain that sampling

technique with suitable example​

Answer 1

Food for cattle

acrops

Chemical fertilisers

Tbl Urea and super phosphate

c) Animal excreta, cow dung

urine and plant waste

Organic manure Wheat, gram. pea

e) Paddy and maize  etwee amples of each

Kharop

Raborg

4. We a paragraphe in your own words on each of the following

Proper

Sowing

d) Threshing