Fertilizer management
Almonds, like other fruit trees, must constantly absorb various nutrients from the soil in order to maintain normal growth and development. And because it is a perennial fruit tree, once it is planted, it must be fixed in one place to complete its life. Therefore, timely supplement of appropriate amounts of nutrients, in order to meet the body's growth and development needs, in order to get the return of high quality and high yield.
1, base fertilizer
Basal fertilizer can provide nutrients needed for the growth and development of trees in a relatively long period of time. Generally, organic fertilizers are mainly used for organic fertilizers, and sometimes they are also combined with quick-acting fertilizers. In order to give full play to the fertilizer effect, the basal fertilizer should be applied in autumn. It is best to apply it after the fruit is harvested.
2, top dressing
Top dressing is mainly applied to quick-acting fertilizers, and the time is best applied before the rapid growth in the annual growth and development of almonds. According to the growth and development of almonds, topdressing is carried out in the following three periods. The first time before flowering (early March), nitrogen fertilizer was the main type. The second time before fruit enlargement (mid-to-late April), nitrogen, phosphorus, and potassium fertilizers were predominant. After the fruit was harvested for the third time (mid-to-late August), nitrogen fertilizer and phosphate fertilizer were mixed with the appropriate amount of base fertilizer.
The method of fertilization differs depending on the soil, the age of the trees, and the type of fertilizer. Application of organic fertilizer Saplings are applied in a ring groove, and the depth of the ditch is about 40 centimeters. The mature tree is applied with a striped gutter and the ditch is 40-60 cm deep. Fertilizers use acupuncture, that is, digging several small pits under the canopy, putting the fertilizer in the holes, and then covering the soil. The best irrigation water after fertilization.
In areas with an annual rainfall of 400-450 mm, irrigation is generally not required. However, in areas with insufficient or uneven rainfall in summer, irrigation should be done 1-2 times. If the winter irrigation can be performed before winter, the effect is better.
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