A soil with a pH value of 8 is considered alkaline. Soils with a pH above 7 are alkaline, while those with a pH below 7 are acidic. Neutral soils have a pH of 7. Alkaline soils can affect the availability of certain nutrients to plants.
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Sugarcane trash can be easily composted by adding
The quantity of urea to be applied for one acre of rice when recommendation is 120 kg N/ha is
Carrier material used in biofertilizers should possess following qualities
a. Non-polluting b. Non-toxic c. Bio-degradable d. High water holding capacity
The green leaf manure having about 4.6% K₂O content is
A compound containing a single primary nutrient is called ______ fertilizer
Organic matter makes up about ____ % of soil volume
| List I |
List II |
| a. Toxicity of Al & Fe |
I. Sodic Soil |
| b. Amendments with gypsum |
II. Saline Soil |
| c. ECe > 4 ds/m |
III. Acid Soil |
| d. High Calcium Carbonate |
IV. Calcareous Soil |
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