List of top Agronomy Questions

Popular oilseed crops that can be grown as intercrop in cotton:

The most abundant minerals and mineral groups in sand and silt of soils throughout the world is:

The Father of Soil Science and Agricultural Chemistry in India is:

In 1843, an agricultural experiment station was established at Rothamsted, England by:

The fertilizer having least equivalent acidity is:

The amount of Analytical Reagent grade potassium dichromate required for preparation of 1000 mL of potassium dichromate solution (0.1 N K$_2$Cr$_2$O$_7$). The atomic weight of K = 39, Cr = 52, and O = 16, is:

According to the USDA classification, the size of fine sand fraction is:

Most bioaccumulator of cadmium (Cd) and lead (Pb) is:

Rhenania phosphate - a P containing fertilizer contains:

Red sandy clay loam soils (Chalka soil) are found in the state of:

The mineral containing boron (B) is:

Filter cake is a byproduct of

Most common salt in saline water is

Given below are two statements:
Statement (I): In Gridiron drainage system, laterals are provided on both sides of mains.
Statement (II): The Gridiron drainage system is adopted when the land is practically level or where the land slopes away from the sub-mains on one side and when the entire area has to be drained.
In light of the above statements, choose the most appropriate answer from the options given below.

First remote sensing satellite in India is

For irrigation in one ha wheat field, the level of CPE is fixed at 80 mm, compute the amount of irrigation water if desired IW/CPE ratio is 0.8.

Water measuring device used for determining discharge from a piped irrigation system is usually

A \(20,000 \text{ m}^2\) maize crop field was supplied with 60 mm depth of irrigation, find out how many liters of water has gone into the field.

At ultimate wilting point, soil water potential is

Given below are two statements:
Statement (I): On steeper sloping land, contour furrows can be used up to a maximum land slope of 5%.
Statement (II): In furrow irrigation, a minimum slope of 0.01% is recommended to assist drainage.
In light of the above statements, choose the most appropriate answer from the options given below.

Read the following statements about economization of irrigation water in rice
(A). Physical characteristics of infiltrating water have no effect on infiltration rate
(B). The depth of wetting increases the infiltration rate
(C). Viscosity of water increases infiltration rate hyperbolically
(D). Pore sizes increase infiltration rate parabolically
Choose the correct answer from the options given below:

Read the following statements about drip irrigation
(A). Crops that are not too sensitive to salts can be drip-irrigated even with somewhat brackish water (1,000 mg /L of salts)
(B). Brackish water cannot be used with drip irrigation system at all as the salts clog the lateral pipes and emitters
(C). In drip irrigation, salts accumulate at the periphery of wetted circle
(D). Leaching of salts from drip irrigated fields is not required
(E). Irrigation efficiency of drip irrigation system is 80-85%
Choose the correct answer from the options given below: