NEWS

Asparagus cultivation: Key factors for high productivity

The cultivation of asparagus (Asparagus officinalis) requires careful management of soil (edaphic factors) and water (hydric factors) conditions to ensure good crop establishment, high productivity, and a long shelf life for the asparagus plant.

April 25, 2018

The following table presents some considerations regarding soil and water factors that are important for asparagus cultivation.

SQM nutritional program. Includes higher amounts of K, Ca, and B.

Factors

Optimal

Favorable

Unfavorable

EDAPHIC

TEXTURE

Sandy loam

Sandy loam

Clay loam

PERMEABILITY

Moderate – fast

moderate

Slow – fast

DEPTH

More than 1.5 m

0.75 – 1.50 m

Less than 0.75 m

DRAINAGE

Good

Water table < 1 m depth

Water table < 1 m depth

REACTION (pH)

6.5 – 7.8

6.0 – 6.5 – 7.8 – 8.3

< 6.5 and > 8.3

SALTS

< 4.1 dS/m

4.1 – 10 dS/m

> 10 dS/m

FERTILITY (N, P, K)

3 parameters at high level

2 parameters at high level

At least 1 parameter at high level

BORON

< 10 ppm

10 – 15 ppm

> 15 ppm

HYDRIC E.C.

< 3 dS/m

3.0 – 6.0 dS/m

> 6.0 dS/m

SAR

< 3

3.0 – 8.0

> 8.0

BORON

< 3

2.0 – 5.0 ppm

> 5.0 ppm

 

Water management and vegetative cycle

Asparagus (Asparagus officinalis) is a crop with good drought tolerance; however, if drought occurs during the harvest stage, the quality of the shoots is compromised, with a decrease in thickness and turgidity.

To achieve maximum yield, it is best to maintain the soil at field capacity*, ensuring a constant supply of water, adequate availability of nutrients, and avoiding the accumulation of salts above tolerance levels, especially in arid areas.

The vegetative period of asparagus varies depending on the type of planting: 12 months for direct planting and around 9 months for seedling planting.

Once harvesting is complete, the plant begins to develop stems and leaves (cladodes) in order to stimulate photosynthesis until it reaches its maximum growth.

The products of photosynthesis are translocated to the rhizomes and roots, where they are stored as reserves. These reserves enable the formation of new buds, which will give rise to the shoots of the following season, thus ensuring the continuity and productivity of the crop.

(*): Agronomic term. Refers to the water content that soil is capable of retaining after being saturated or thoroughly wet and then allowed to drain freely

Related newsSee all news →

NEWS | April 26, 2018
SQM treatments in tobacco: the role of plant nutrition
Read more →
NEWS | August 31, 2021
The Challenge of Contributing to Strategic Industries for Human Development
Read more →
NEWS | August 27, 2019
Tenants and Entrepreneurs in María Elena Re-open Emblematic “Round Market”
Read more →