What do you do with the soil that raises magnolia?

The specific requirements of gentleman orchid for soil are fertile, loose, good air permeability, comprehensive nutrition and so on. The main raw materials used are rotten leaf soil, river sand, slag, horse dung soil and so on. In the specific preparation method, larch needle, garden soil, compost, cake residue, river sand and other proportions can be mixed as its culture soil.

1. Requirements for soil

Magnolia has strict requirements on soil, and soil has a great influence on its growth. Specifically, it is required to be fertile and loose, coupled with air permeability and water permeability, nutrition should also be rich and comprehensive.

2. Raw materials used

(1) rotten leaf soil: in principle, the leaves of any broad-leaved tree are OK. However, the actual test shows that the effect of oak leaves is better.

(2) River sand: choose the washed river sand the size of rice grains. It can effectively increase the air permeability of the soil, but also reduce the temperature of the soil.

(3) Slag: the best one is fired at high temperature. The size of corn kernels should be washed before use. It can increase the water retention of soil.

(4) horse dung: after fermentation. Generally, it can be used as basic fertilizer.

(5) Larix gmelinii needles: can be used alone, but generally used with other materials. It is slightly acidic.

3. Preparation method of general nutritious soil.

Generally choose 20% of larch needles, 20% of garden soil, 20% of compost, 20% cake dregs, and the remaining 20% of river sand. This is just one of the ways to prepare it.

4. Preparation methods for different purposes

(1) Leaf cultivation: use half of the rotten leaf soil, add 30% larch needles, and add 10% bone meal, slag and so on.

(2) Root maintenance: 30% rotten leaf soil, 40% pine needles, 20% river sand and 10% bone meal.