List of top Agronomy Questions

Seed rate of fodder oats is:

Stem nodulating green manure crop is:

Optimum seed rate for a good crop stand of Isabgol is:

Berseem crop is the native of:

The disease 'Ear cockle' of wheat is caused by:

The HD-2967 is the prominent variety of:

The long duration pulse crop is:

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): C4 plants usually do not reach radiation saturation in direct sunlight.
Reason (R): C4 plants use high radiation levels more efficiently at low levels than under full sunlight.
In light of the above statements, choose the correct answer from the options given below.

Weight of a soil sample with can is 220 g and dry weight with can is 190 g. Weight of empty moisture can is 45 g. Calculate moisture content of soil sample.

The matric potential of the soil is the result of:

The theoretical range of NDVI is:

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): The water budget in the field is accounting the inputs and outputs of water and also considers the volume of water present in the field.
Reason (R): The main governing factor in field water budget is the stored soil moisture.
In light of the above statements, choose the correct answer from the options given below.

Time-series model, cross-section model and panel model are three main statistical methods of

Given below are two statements:
Statement (I): Tilth indicates two properties of soil viz. the size distribution of aggregates and mellowness or friability of soil.
Statement (II): A higher per cent of larger aggregates (> 5 mm in diameter) is necessary for irrigated agriculture.
In light of the above statements, choose the most appropriate answer from the options given below.

Over the last 150 years, 2003 was the hottest year with the average temperature being ___ \(^{\circ}\text{C}\) higher than normal.

Given below are two statements:
Statement (I): Mycorrhiza soil fungi, solubilizes potassium (K) in soil and makes available to plants on which they live.
Statement (II): The mycorrhizae that live inside roots are Phoma and Rizoctonia.
In light of the above statements, choose the most appropriate answer from the options given below.

Given below are two statements:
Statement (I): In CAM plants the stomata open at day time and a large amount of carbon dioxide is fixed as malic acid which is stored in vacuoles.
Statement (II): In CAM plants, during night time as the stomata are closed, there is no possibility of carbon di oxide entry.
In light of the above statements, choose the most appropriate answer from the options given below.

Global warming potential of SF$_6$ is

For how many days in advance, weather forecasts are currently issued by IMD in Gramin Krishi Mausam Sewa (GKMS) Project

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): A Global Positioning System (GPS) links spatial data with descriptive attributes about a particular feature on a map.
Reason (R): The information is stored as attributes of the geographically represented features.
In light of the above statements, choose the correct answer from the options given below.

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): Mie scattering depends on the size of the scatterers in relation to the wavelength of radiation being scattered.
Reason (R): Approximate particle size of Mie scatterer is 0.1 to 10 $\mu$m.
In light of the above statements, choose the correct answer from the options given below.

Given below are two statements:
Statement (I): The greenhouse effect is retention of heat in the lower atmosphere due to absorption and re-radiation by clouds and certain gases.
Statement (II): Long-wave thermal solar radiation received from the sun passes through the atmosphere with little or no interference and warms the earth's surface.
In light of the above statements, choose the most appropriate answer from the options given below.

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): A remote sensing system that possesses only a sensor and depends on an external source to irradiate the target to be sensed is called an active remote sensing system.
Reason (R): Synthetic Aperture Radar uses microwave band to estimate soil moisture.
In light of the above statements, choose the correct answer from the options given below.

At what height, remote sensing satellites are placed above the earth surface