For a certain crop to get the yielding more it is necessary to use 19 units of urea, 17 units of potash, 12 units of nitrogen; 1 quintal of mixture A contains 1,4,2 units of these chemicals. 1 quintal of mixture B contains 4,3,2 units of these chemicals respectively. How much of each type of the mixture should be used to get the yielding more ?
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Answer:
VERIFIED ANSWER
Step-by-step explanation:
1. Straight fertilizers: Straight fertilizers are those which supply only one primary plant nutrient, namely nitrogen or phosphorus or potassium.
eg. Urea, ammonium sulphate, potassium chloride and potassium sulphate.
2. Complex fertilizers: Complex fertilizers contain two or three primary plant nutrients of which two primary nutrients are in chemical combination. These fertilisers are usually produced in granular form.
eg. Diammonium phosphate, nitrophosphates and ammonium phosphate.
3. Mixed fertilizers: are physical mixtures of straight fertilisers. They contain two or three primary plant nutrients. Mixed fertilisers are made by thoroughly mixing the ingredients either mechanically or manually.
Fertilisers can also be classified based on physical form:
Solid
Liquid fertilizers