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Why farmers use a combination of manures and fertilizers in their fields?
Wiki User
∙ 6y ago
Becuase leaves and animal poo is biodegradable, which means it can be dissolved easily (unlike stuff like plastic and metal), and it is also very good for the plants because it isn't artificial like fertilizer u can buy in shops - it's organic.
Wiki User
∙ 13y ago
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Why do farmers need manure?
farmers use a mixture of manures and fertilizers so that the nutrients which cannot be fulfilled by the manures can be fulfilled by the plants and the nutrients which are not in the fertilizers can be fulfilled by the manures ex-NPK [nitrogen, phosphate and potassium] fulfill the nutrients which are not present in the manures
What is the advantage of some fertilizers are sprayed over crops by helicopters?
Fertilizers are spread on fields by farmers to help their crops grow.
What is the advantage of using manure and fertilizers in crop fields?
The substances which are added to the soil in the form of nutrients like animal waste, plant waste for the healthy growth of plants are called manures and fertilizers are compounds which supply a specific nutrient to make the soil fertile.
How do farmers use fertilizers to help their crop yield?
They spread them on the fields where it feeds the plants and make them grow bigger/faster.
Why do farmers add nitrgoen fertilizers but not carbon fertilizers to fields?
Because all plants are able to extract plenty of carbon dioxide from the air, which gives them plenty of carbon. Nitrogen has to be in a form usable to the plant, which only symbiotic bacteria on the roots of legumes are able to take out of the air.
Why does the pH level in soil change?
Mostly on farmland because of chemical fertilizers, which over several years will tend to acidify the soil somewhat. That is why farmers "lime" their fields every few years.
What year was fertiliser invented?
Probably before recorded history, when farmers put the dung of their cattle on fields. Or did you mean chemically synthesized nitrogen fertilizers? If so, look up Haber-Boshe process.
In Egypt how did farmers get water to there fields?
farmers used the shaduf to irrigate their fields :):) its true
Farmers Living conditions in the 1900s?
no black farmers were allowed to work the fields.
What is a critically important component of fertilizers used on lawns gardens and crop fields?
nitrogen
Where in England is lettuce produced?
In farmers fields.
Why do farmers use manure on their fields?
For fertilizer.
