Agronomist dictionary: Sowing and varieties

B

Sowing and varieties

Biological yield

It is the total weight of the biomass produced by plants in a field, calculated before harvest based on plant density and grain weight.

C

Sowing and varieties

Conditioned seeds

These are seeds that meet all established quality and safety standards regarding purity, germination rate, and moisture content for agricultural use.

Sowing and varieties

Critical seeding depth

The maximum depth at which a seed can be planted while still having enough stored energy for the sprout to reach the soil surface.

Sowing and varieties

Crop competitiveness

It is the ability of crop plants to suppress weed growth and utilize environmental resources more efficiently, ensuring high yields despite the presence of comp...

Sowing and varieties

Crop rotation

The practice of growing a series of different types of crops in the same area across a sequence of growing seasons.

Sowing and varieties

Crop uniformity

This refers to the consistency of plant development stages, height, and density across an entire field.

D

Sowing and varieties

Determinate growth habit

A growth pattern in plants where the main stem ends in a floral cluster, causing the plant to stop vegetative growth once it reaches a certain size.

E

Sowing and varieties

Early vigor

The ability of seedlings to rapidly establish vegetative biomass and develop a robust root system during the initial stages of growth.

Sowing and varieties

Ecological plasticity of a hybrid

The ability of a hybrid crop to maintain stable productivity when growing conditions fluctuate or across different climatic zones.

F

Sowing and varieties

F1 Hybrid

The first filial generation offspring resulting from a cross-breeding between two genetically distinct parent lines to achieve specific superior traits.

Sowing and varieties

FAO maturity group

A classification system established by the Food and Agriculture Organization to indicate the relative maturity period of maize hybrids from emergence to physiol...

Sowing and varieties

Fertilizer micro-dosing

A practice of applying small, precise amounts of fertilizers directly into the root zone to maximize nutrient uptake and crop growth efficiency.

Sowing and varieties

Field emergence

It is the percentage of planted seeds that successfully produce seedlings under actual field conditions, reflecting the combined impact of seed quality and envi...

Sowing and varieties

Field emergence

The percentage of seeds that produce normal seedlings under actual field soil and environmental conditions.

Sowing and varieties

Field inspection of crops

This is the process of evaluating crop fields to verify varietal purity, health status, and compliance with seed production standards.

G

Sowing and varieties

Genetic yield potential

This is the maximum possible yield and quality of a crop variety, determined by its genetics and achievable only under ideal environmental and agronomic conditi...

Sowing and varieties

Germination energy

This indicator measures the ability of seeds to sprout quickly and uniformly within a limited period, reflecting their overall vitality.

I

Sowing and varieties

Indeterminate growth habit

A plant growth pattern where the main stem continues to grow indefinitely and produce flowers until stopped by environmental conditions or physical pruning.

L

Sowing and varieties

Latent seed infection

The presence of pathogens within the seed tissues that cannot be detected by external inspection without specialized laboratory testing.

Sowing and varieties

Light regime

The combination of lighting characteristics, such as intensity, spectral quality, and photoperiod, that dictates the growth, development, and productivity of ag...

M

Sowing and varieties

Maximum permissible seeding rate

This is the highest seed density per unit area that ensures optimal crop development without inducing excessive intraspecific competition for nutrients, water,...

P

Sowing and varieties

Photoperiod sensitivity

This is a biological response of plants to the length of day or night, which regulates the timing of flowering and vegetative development.

Sowing and varieties

Physical purity of seeds

It is the percentage by weight of pure seeds of the crop variety in a seed lot, free from foreign matter, weed seeds, and damaged kernels.

Sowing and varieties

Plant density

The number of living crop plants per unit area of a field at a specific stage of development.

Sowing and varieties

Pre-harvest moisture content

The percentage of water present in seeds or plant material just before harvest, which determines the timing for gathering crops and their storability.

R

Sowing and varieties

Reseeding (gap filling)

An agronomic practice of sowing additional seeds in areas with thin or failed emergence to achieve the optimal plant population density.

Sowing and varieties

Row spacing

The distance between adjacent rows of plants during sowing or planting, measured between the center lines of the rows.

S

Sowing and varieties

Scarification

The process of scratching or softening the hard seed coat to allow water and gases to penetrate, which triggers germination.

Sowing and varieties

Seed damage

This refers to mechanical injuries to the seed coat or embryo caused during harvesting, processing, handling, or planting operations.

Sowing and varieties

Seed dormancy

Seed dormancy is a biological state where seeds fail to germinate even under favorable environmental conditions due to internal growth-inhibiting mechanisms.

Sowing and varieties

Seed dressing

This is the process of applying chemical or biological agents to seeds to protect them against pathogens, pests, and soil-borne diseases.

Sowing and varieties

Seed germination capacity

It is the ability of seeds to sprout and produce normal seedlings under specific conditions within a set timeframe.

Sowing and varieties

Seed incrustation

A seed treatment technique involving the application of a thin polymer film containing pesticides, plant growth regulators, and nutrients to the seed surface.

Sowing and varieties

Seed inoculation

Seed inoculation is the process of coating seeds with beneficial microorganisms to enhance plant growth, nutrient uptake, and disease resistance.

Sowing and varieties

Seed maturation period

This is the time interval from anthesis to the point when seeds reach physiological maturity and are ready for harvesting.

Sowing and varieties

Seed pelleting

This is the process of coating seeds with a protective and nutritional layer to increase their size and weight, ensuring more uniform sowing and seedling establ...

Sowing and varieties

Seed reproduction

Seed reproduction is a successive generation of seed material obtained by propagating a plant variety during the growing process.

Sowing and varieties

Seed sowing depth

This is the vertical distance from the soil surface to the seed, which determines the environmental conditions necessary for germination and emergence.

Sowing and varieties

Seed sowing quality

This is a set of physical and biological characteristics of seeds that determine their potential to germinate and develop into healthy plants under field condit...

Sowing and varieties

Seed stock

Seed stock is the total reserve of agricultural seeds intended for sowing, breeding purposes, and maintaining crop production stability on a farm.

Sowing and varieties

Seed stratification

Seed stratification is an agricultural technique that simulates winter conditions to break seed dormancy and promote uniform germination.

Sowing and varieties

Seed value

A metric indicating the percentage of pure and viable seeds within a batch, essential for determining the effective sowing rate.

Sowing and varieties

Seed viability

It is the measure of a seed's potential to germinate and develop into a normal seedling under suitable environmental conditions.

Sowing and varieties

Seeding pattern

Seeding pattern is the spatial arrangement of seeds in a field, determining the spacing between rows and plants to ensure optimal growth conditions.

Sowing and varieties

Seeding rate

Seeding rate is the specific amount of seeds sown per unit of land area to ensure an optimal crop population and maximize yield potential.

Sowing and varieties

Seeding units

Seeding units are integrated machinery combinations, comprising a tractor and a seeder, designed to place seeds into the soil efficiently in a single pass.

Sowing and varieties

Sowing

The process of placing seeds into the soil at a specific depth and spacing to facilitate germination and crop establishment.

Sowing and varieties

Sowing date

The optimal time window for planting seeds in the soil to ensure the best germination conditions and maximum yield potential for the crop.

Sowing and varieties

Sowing method

This is the system of distributing seeds within the soil, defining the row spacing and the spatial arrangement of plants to ensure optimal development.

Sowing and varieties

Sowing qualities of seeds

Sowing qualities refer to the set of physical and biological standards that determine the suitability of seeds for planting and successful germination.

T

Sowing and varieties