Last seen: Nov 14, 2021
Farmyard manure: It is the decomposed mixture of the cattle excreta and urine along with the litter and leftover organic matter such as fodder. It is ...
Various methods of fertilizer application are: Broadcasting (i) It refers to spreading fertilizers uniformly all over the field. (ii) Suitabl...
The chemical nature of the soil changes due to the continued use of chemical fertilizers because it decreases the soil fertility of that particular ar...
The process in which water bodies like lake or slow-moving streams receive an extra amount of nutrients that help in the growth of plants such as alga...
Once the nutrients get absorbed in the pond water, it would acquire a high concentration of nitrates and phosphates which would result in the excessiv...
Advantages of fertilizer over manure: Improves the structure of the soil. Increases its ability to hold water and nutrients. Improves water m...
Manure: Contains organic substance. It is biodegradable. Increases soil fertility for long duration. Fertilizer: Contains a large amount ...
It is less rich in nutrients. It may lead to spreading of some harmful bacteria.
These are a good source of macronutrients. Improves soil fertility. Cost-effective. Reduces soil erosion and leaching. Improves the physical p...
Micronutrients: Iron, Chlorine, Copper, Manganese, Zinc, Molybdenum Macronutrients: Sulphur, Nitrogen, Calcium, Potassium, Magnesium, Phosphorous
The three most important nutrients required for plant growth are Nitrogen, Phosphorus and Potassium.
Plants get nutrients from air, water and soil.
Based on the sources nutrients can be classified in the following manner: (i) Air: Some of the nutrients are directly obtained from the atmosphere ...
Macronutrients These are required in large quantities. These do not indulge in enzyme activity and transport of electrons. Example: Calcium and ...
Correct answer is (b) 1 : 16
Correct answer is (d) 8 : 1
Correct answer is (b) Neon
Correct answer is (d) Berzelius
Correct answer is (d) Berzelius