प्रस्तावित विषय : खोज निहित
प्रस्तावित विषय : खोज निहित
Woody plants
Trees
12
Plants
11
Forests and Forest Trees (Biology and Ecology)
8
Forest ecology
4
Forests
4
Soil Biology
4
Agroforestry and Multipurpose Trees: Community, Farm and Social Forestry
3
Animal Ecology
3
Biodiversity
3
Ecosystems
3
Forest trees
3
Horticultural Crops, (New March 2000)
3
Nitrogen fixation
3
Plant Ecology
3
Pollution and Degradation
3
Agroforestry
2
Aquatic Biology and Ecology
2
Biochemistry and Physiology of Microorganisms, (New March 2000)
2
Biological Resources (General)
2
Biological Resources (Plant)
2
Climatic changes
2
Crops
2
Environmental impact
2
Erosion
2
Erosion: Soil and Water Conservation
2
Field Crops, (New March 2000)
2
Forest plants
2
Forests and forestry
2
Grasslands
2
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17