Fruit trees "fertilize" the effect of the best, the most cost-effective!

Where is the best place to fertilize fruit trees?

Fruit trees topdressing fertilizer, the first thing to know that fruit trees are mainly by the root hair to complete the root system.

Topdressing fertilizer for fruit trees should be mainly applied at the projected edge of the canopy or a little distance away from the trunk, rather than too close to the trunk, because the trunk is surrounded by thick roots with fewer fine roots and hairs, which is not conducive to the absorption of fertilizer.

As for the topdressing fertilizer for fruit trees, the following principles should be mastered in depth: the fruit trees with deep root distribution should be appropriately applied deep, whereas the fruit trees with shallow roots should be applied lightly;The decomposition of organic fertilizer is slow, but the period of fertilizer supply is long.For example, for deep root fruit trees such as pear trees, the depth of organic fertilizer should be 40-60 cm, and for shallow root fruit trees such as plum trees, the depth of organic fertilizer should be 30-40 cm.After fertilization, the new high fat film was sprayed to improve the fertilizer efficiency.

Fruit tree topdressing fertilizer, to seal line or the orchard that close plant, can be in between the line, plant shallow apply, had better not injure or little injure big root, such ability gives full play to fertilizer effect, raise fertilizer utilization rate, achieve the purpose that increases production and income.

Fruit tree fertilization is the cheapest way to use!

1, choose fat to "appetite"

Popularly speaking, fertilizing fruit trees is like eating a meal.If a certain fertilizer application too much or too little and "stomach", the tree will appear empty flourishing or weak "sub-health" state.In order to create a good site condition for root system growth, it is necessary to supplement organic matter, medium element and microelement which are seriously lacking in orchards.Because organic fertilizer is the "deposit book" of soil, it plays an important role in nourishing roots and improving the utilization rate of fertilizer in fertile soil.

Organic fertilizer with putrid pure chicken excrement, sheep excrement, oily cake, bog fertilizer is optimal, pig excrement, cow excrement, farmyard excrement waits for the 2nd, when muck fertilizer is short of or have not putrid, also can use organic fungus fertilizer to replace.

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Check the details

Fertilizers should be formulated according to the requirements of different varieties of fruit trees for different nutrients.The reasonable proportions of nitrogen (N), phosphorus (P2O5) and potassium (K2O) in different fruit trees were determined through a large number of field experiments as follows: apples 1:0:6, grapes 1:1:41:1:25, pears 1:0:21:1:02.It should be emphasized here that although the annual growth and development of apples and pears show the characteristics of "high -- medium -- high" demand for nitrogen, phosphorus and potassium, more than 80% of the total annual phosphate fertilizer should be applied to the base fertilizer in autumn, because autumn is the annual growth peak of root system, and phosphorus is the rooting nutrient, and the annual supply is stable.

2. Fertilize at "mealtime"

Same meal, eat in the meal person feels comfortable.It is tasteless to miss a meal.Autumn is the peak of fruit tree root growth in the whole year, and the nutrients absorbed and synthesized by the root system are mainly used for storage, which plays an important role in the budding, flowering and setting of fruit and the growth of new shoots in the coming year.Therefore, the same fertilizer application in September and October, is the value of gold and silver;After the leaves have fallen and the following spring, the fertilizer will lose its value as copper and iron.

3, fat to feed in the "mouth"

People eat by the mouth, the tree by the root to eat fertilizer, the root mouth at the tip end, fertilizer in the fruit tree to absorb the root of the concentrated distribution layer, is conducive to the root absorption.In general, 80% of the absorbent roots of kernel fruit trees and drupe fruit trees are mainly distributed in the soil layer of 10-50 cm under the vertical projection of the outer branches of the canopy, which requires 80% of the total fertilizer to be applied in this region.The young trees and the primary fruit trees were best applied in annular dilatation, and the fruit-bearing trees could be alternately applied in radial groove and in the whole garden.

Borrow moisture fertilization "do not eat"

If the soil moisture content is poor, the roots can't absorb enough fertilizer.Because the fertilizers applied to the soil are lifeless and immobile, they can only be absorbed and utilized by roots and leaves if they are dissolved in water.At the same time, the amount of nutrients absorbed and stored by fruit trees in that year is also closely related to the transpiration tension of some branches and leaves above ground.Taking advantage of the large transpiration tension and good moisture content of leaves in early autumn, the transpiration of leaves after fertilization can absorb a large amount of water and nutrients from the ground, and the accumulation of nutrients in the tree body is much.Otherwise, no matter how high the effective composition of fertilizer is, it cannot be dissolved in water and has no functional leaves. Fertilizer becomes useless scrap metal, which is the reason of "do not eat" when applying fertilizer.