Columbia subject headings:
Agricultural industries--China--Periodicals.
Agriculture--China--Periodicals.
Agriculture--Economic aspects--China--Periodicals.
Periodicals.
Harvard subject headings:
Agricultural industries--China--Periodicals.
Agriculture--China--Periodicals.
Agriculture--Economic aspects--China--Periodicals
Princeton subject headings:
Agricultural industries--China--Periodicals.
Agriculture--China--Periodicals.
Agriculture--Economic aspects--China--Periodicals.
Periodicals.