Crop productivity.

Crop productivity.

書誌詳細
共著者: BIOTOL (Project), Open Universiteit (Heerlen, Netherlands), University of Greenwich
フォーマット: 図書
言語:English
出版事項: Oxford, Boston Butterworth-Heinemann 1994.
シリーズ:Biotechnology by Open Learning (Series)
主題:
Agricultural productivity > Programmed instruction.
Crop yields > Programmed instruction.