It's irrigation ;D
it help farmers to grow crops
farmers, like in Lancaster the open rural area gives a good farming area. they also have good soil to help the farmers grow their crops.
silt helped farmers by giving them the fertile soil to grow their crops in.
4. How did ancient farmers use the water of the Indus river system to help grow crops?
spiders eat the bugs which eats the crops that farmers plant and grow for food
Irrigation
to help there crops grow more
Farmers usually add fertilizer to the soil to help their crops grow better. Basic fertilizers are a mixture of Nitrogen potassium and phosphate
ammar is waste man
it helped them grow crops and when it flooded it would not destroy the crops unlike the Tigis and Euphraes.
Fertilizers are spread on fields by farmers to help their crops grow.
They relied on Nature. They relied on the precipitation that came from the skies to provide the moisture for their crops, and the heat during the day and the sun itself to help the crops grow. Most, if not all farmers still rely on Nature to grow their crops; irrigation is only for those areas that normally do not recieve adequate rainfall on an annual basis to grow any kind of crop.