Practice Test 12
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The share of urea in the N production pattern is

The P2O5 in all fertilizers comes from

  • Solution

    Phosphorus apply in the form of P2O5.

    Phosphorus absorbed by plants in the form of H2 PO4-, HPO42 phytin (Nuclic acid) etc.

    It is available at natural pH value.

The N in all fertilizers comes from

To apply NPK or NP complex has to be supplemented with

An NPK complex can be used if the dose asks for

Urea of foliar spary should not contain biuret more than

  • Solution

    Foliar Spray of Urea Urea also apply as a foliar spray in field.

    The concentration of foliar spray of urea varies between 2-6% but general concentration is 2%.

In tree crops fertilizers is not added near the trunk because of

Split application of K is useful in high rainfall areas to save on

Phosphorus is drilled in upland crops to

Efficiency of urea can be increased by

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Manures and Fertilizers
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