Almond Tree Fertilization

Comments:DISQUS_COMMENTS

Almond Tree Fertilizer Requirements

Contemporary commercial almond farming practices suggest that once a year (on July- August) we should collect at least 100 leaves from our almond trees and send them to laboratory for a detailed nutrient analysis. If we detect that the average leaf has some nutrient deficiencies (some important chemical elements are below acceptable standards), then we can intervene and correct the nutrient problems by adding the proper element, for instance a calcium amendment, through foliar application.

The normal levels of the most important nutrient are listed below:

Minimum acceptable leaf levels

N: 2%

K: 1,2%

Ca: 2,2%

Mg: 0,3%

As far as young (1-3 years old) almond trees are concerned, we must be very careful, because if we add fertilizer at a certain spot of the soil without irrigating at the same time, this may cause various problems to the tree (this may also be an issue to some mature trees). Most farmers apply 5,3 oz. (150 g) of N per every young tree during the 2nd and 3rd year after their establishment.  

As far as mature almond trees are concerned, a common fertilization scheme is adding 8-12 lbs. (3,6 - 5,4 kg) of N-P-K 12-12-17 + 2MgO per mature tree, applied two times per year, once during February and then during May-June. A second almond three fertilization scheme involves adding 8-12 lbs. (3,6 - 5,4 kg) of N-P-K 12-12-17 +2MgO per every mature tree during February-March and the injection of water soluble fertilizer N-P-K 15-15-15 through the irrigation system during April-May. A third almond tree fertilization scheme (that can be partially combined with any of the above) involves 3 foliar applications with N-P-K 20-20-20, one at the time when the flower petals fall and the other 2 with 10 days interval with each other. (These are just some common patterns that should not be followed without making your own research and leaf analysis).

The almond tree has great needs in nitrogen. Many farmers add (through spraying or fertigation) in total 2,2 lbs. (1 kg) of nitrogen in every mature tree per year and this seems to be sufficient. Adding a much greater quantity than that has been reported to result in the rapid growth of water sprouts. As a result, yield is reduced as the water sprouts often shade the fruit-bearing parts of the branches.

Potassium is the second most important macronutrient. If a potassium deficiency is detected after leaf analysis, almond growers often add 15-20 lbs. (6,8 to 9 kg) of potassium sulphate (K2SO4) in every mature tree. Alternatively, correction of severe potassium deficiencies can be managed through foliar spraying with potassium nitrate (1 lbs. of potassium nitrate in 100 lbs. water, sprayed at least 5 times per month during April or May – ask a licensed agronomist).

Excellent fertilization of almond tree can be managed by adding manure. Many farmers add 10 to 20 tons of manure per hectare every one or two years. (1 hectare = 10.000 m2 = 2,47 acres). When they cannot find manure at a reasonable price, many farmers apply green manure, mainly Vicia faba or Vicia sativa. In this case, almond growers sow legumes in the autumn. During the next few months, they add phosphorus and potassium to the field in order to help legumes grow quickly. They finally plow the plants, incorporating them into the soil just before their flowering (April - May). Keep in mind that during the decomposition of organic matter, there is increased nitrogen consumption. Consequently, many farmers add -at the time of plowing- nitrogen (in nitrate form) to the soil so as to avoid any nitrogen deficiency (ask a licensed agronomist).

However, these are just common patterns that should not be followed without making your own research. Every field is different and has different needs. Checking the soil nutrients and pH is vital before applying any fertilization method. Leaf analysis is very important in order to diagnose and correct nutrient deficiencies in almond tree.

You can enrich this article by leaving a comment or photo of your almond tree fertilization methods. 

1. Almond Tree Facts

2. How to grow Almond tree from nuts

3. Starting an Almond Orchard

4. Almond Tree Climate Requirements

5. Almond Tree Soil Requirements and Preparation

6. Almond Tree Propagation

7. Almond Tree Pollination

8. Planting Almond Trees

9. Pruning Almond Trees

10. Almond Tree Water Requirements

11. Almond Tree Fertilizer Requirements

12. Almond Tree Harvest & Yields

13. Almond Tree Pests and Diseases

14. Q&As Almond Tree

Do you have experience in cultivating almond trees? Please share your experience, methods and practices in the comments below.

All the content you add will be soon reviewed by our agronomists. Once approved, it will be added to Wikifarmer.com and it will influence positively thousands of new and experienced farmers across the world.

Wikifarmer.com The Greatest Free Online Farming Library

Connect with Wikifarmer

Sign up for our free newsletter

  • Wikifarmer News
  • Tips and advice from experts
  • Special offers and discounts

Contact us

     Wikifarmer Official

T: +44(0)7391105509

 

This email address is being protected from spambots. You need JavaScript enabled to view it.

 

 

Contact form

×

By using wikifarmer.com you agree to our cookie policy and terms of use. I understand