الموضوعات المستخلصة من بحثك.
الموضوعات المستخلصة من بحثك.
soils
Enviornment
1
Garden soil
1
Geology
1
Plant Ecology
1
Plant ecology
1
Plant nutrient and their functions
1
Soil sanpling
1
Soil science
1
Soil testing
1
agriculture
1
agro-ecology
1
birth of the Indian subcontinent
1
climate and agricultural regions
1
ecology
1
important crops
1
plant ecology
1
sprinkler
1
vegetation
1
water resources
1
weather and crops
1
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