R. S. Loomis has written:

'Crop ecology' -- subject(s): Agricultural ecology, Agricultural systems

D. J. Connor has written:

'Crop ecology' -- subject(s): NATURE / Natural Resources, Agricultural systems, Agricultural ecology

name and brief explanation about branches of environmental sciences?

There are several different disciplines within ecology. Those include animal ecology, population ecology, quantitative ecology, community ecology, and molecular ecology.

Ecology is usually considered to be a branch of biology that focuses on and studies living organisms. There are specialize branches of ecology that include conservation ecology, chemical ecology, applied ecology, and biogeochemistry.