Drought

It is a condition of insufficient moisture supply under which they fail to develop and mature properly. It may be caused by soil, atmosphere and/or both.

Dry Farming

lt is practice of raising successful and profitable rained crops in areas which receive an annual rainfall of 50 cm. or less Sometimes it is also called as dry land agriculture

Drought Resistance :

It is a capacity of plants to endure the drought conditions without suffering any irrecoverable injury to plant like leaf or death of tissue etc

Directed Spray

It refers to the post-emergence spraying of herbicides in the inter-row spaces by covering the spray nozzle under a hood or shield. It is mostly done in case on non-selective and contact herbicides

Ecofallow System

It is also called as chemical fallow system which is a type of reduced tillage practice made possible by herbicides which kill weeds of a fallow area.

Enforced Dormancy

change in environment conditions , especially temperature restricts germination which is called as enforced dormancy

Emulsifiable Concentrates

These materials from stable emulsion, when diluted with water, become suitable for spraying over the plant surfaces Emulsifiable materials at the same active ingredient are better than suspensions. These are of two types like concentrated emulsions which prepared mechanically by despersing an aqueous solution of the herbicides inwater-immiscible solvent by means of a colloid mill. The another type of emulsifiable material ismiscible oil consists of herbicides, solvent and emulsifier

Eksali Planting of Sugarcane

It is common is South India and takes about one year or 12 months for harvesting. The planting is done in January-February

Elluviation:

It is a part of the soil formation process in which removal of materials in solution, solution or even in suspension form in vertical direction forced by downward movement of water form one horizon to another.

Erosion

Detachment and transportation of soil particles from their original places through water, wind , ice or any other geological agent is called as erosion

Evapotranspiration :

It is an additive or cumulative volume/quantity of water lost due to both evaporation and transpiration from the soil surface, when it becomes difficult to separate out boththe losses from one another then an additive value is expressed and term evapotranspiration is used. It is often referred as consumptive use of water of crops

Ear

An ear is large, dense or heavy spike like inflorescence in graminacious plants especially in cereal like wheat ,barley�

Epigeal

A type of germination in which the cotyledons appear above the soil surface.

Embryo

The rudimentary seedling within the seed which gives out a palnt after sprouting when�provided with favourable conditions.

Epicotyl

A part of the embryo which produces shoot or the above ground part of the plant.

Endosperm

The food storage for nourishing the embryo in a seed which develops from fertilization of the polar nuclei of the ovule by a second male nucleus.

Essential Plant Nutrients:

These are the nutrients without which plants cannot grow and develop and they fail to cumplete their life-cycle.

Exchangeable Sodium Percentage

The extent to which the adsorption complex of soil is occupied by sodium and it may be calculated by using following equation: Exchangeable sodium (ineq/100 g of soil)ES.Px 100?/Cation exchange capacity (meq/100g) of soil

Earthing Up

The raise the soil at the base of plant e.g., surgarcane.

Ephemerals:

The weed which completes its seed to seed cycle within two or four weeks eg niruri.