Soil Science jrf Question Quiz (16)

N : P : K reguirement in legumes is generally?

In _____irrigation, water is applied directly to the root zone ?

Which approach is followed in general for Fertilizer recommendation?

Mica is a type of clay mineral?

Urea is marketed in the form of?

Floating of fine dust particles through the air is known as?

The C : N ratio of humus is?

Diffusion of mineral ion into the root cells of plants is known as?

Soils of which soil order have no diagnostic horizon?

How much nitrogen will be supplied by 500 kg of Ammonium Sulphate?

Autumn sown crop of sugarcane requires fertilizer than that of winter sown?

Clays such as kaolinite will fix larger quantities of phosphorus with SiO2/R2O3 ratio?

Cation exchange capacity (CEC) of vermiculite is?

Buttoning disorder occur due to ?

Soil pH is a measure of ?

Alkali soils usually have Pᴴ range between?

Blossom end rot of tomato is caused by ?

Begasse, a by-product of sugar manufacturing industry, is used for the production of?

DCP content of Guinea Grass?

How is fertilizer quality controlled in India?

The water-logged saline soils can be reclaimed through?

Montmorillonite clay is known as?

The chemical formula of iron pyrites is?

The major problem of drip irrigation system is ?

Which element is not phytotoxic?

For good quality tobacco, chloride content in leaves should never exceed?

Cobalt is a constituent of ?

Which of the following is not a Zn deficiency?

Widely accepted fixed value of particle density is ?

Application of potash in crops increases?