Field crops -- Varieties

The diversity of crop plants

J.G. Hawkes.

Registered field-crop varieties.

Crop Science Society of America.

Production of mutant plants conducive to salt tolerance: completion report : submitted to Office of Water Research and Technology, U.S. Department of Interior

by M. W. Nabors.

Registered field crop varieties, 1926-1974

Crop Science Society of America.

Agro-information flow at the village level: a survey of communication sources in the adoption process of high-yielding varieties of crops in 33 villages.

Indian Institute of Mass Communication.

Study of the high yielding varieties programme in a district in Mysore: paddy (Rabi 1966-67)

[by] A. R. Rajapurohit.

Catálogo de cultivares de plantas agrícolas argentinas

W. F. Kugler, M. S. Moro, J. A. Josifovich.

Better seeds: better crops: guide to varieties under trial, observation and multiplication.

National Institute of Agricultural Botany, Cambridge, Eng.

August 1974 report to the Crop Variety Committee

compiled by Miriam I. Marshall.

Shanghai nong zuo wu you liang pin zhong

Shanghai shi zhong zi gong si, Zhou Lintao bian [xie].