Classification
LENS - Plant physiology - stress factors
65
LER - Plant physiology - ecological aspects
7
LENB - Plant physiology - molecular biology, genetics
5
UMRC - Effects of air pollution on plants and animals
5
LET - Phytopathology
4
LEN - Plant physiology
3
LEP - Photosynthesis
3
LWO - Agricultural ecology, sustainable agriculture
3
LCMC - Plants - ecology
2
LEL - Botany - lower plants
2
LENE - Plant hormones, plant motion
2
LES - Plant physiology - methods
2
LMU - Photobiology, effects of nonionizing radiation
2
LON - Molecular genetics
2
LWE - Agriculture - general aspects
2
LWVA - Plant disease
2
GXAA - Polar research - arctic region
1
LCM - Terrestrial ecology
1
LENC - Plant physiology - germination, development
1
LENI - Plant physiology - transport processes
1
LTU - Genetic engineering
1
LWV - Agriculture - plant protection
1
LWVC - Plant protection
1
UCGN - Control of environmental pollution - biological methods
1
UMB - Atmospheric chemistry
1
UMNE - Air pollution by gaseous pollutants
1
UMT - Acid rain and atmospheric deposition
1
URA - Soil chemistry
1
UVW - Special effects of hazardous materials
1