In addition, if it is yellow green(36 cell trays bulk), it is neutral, yellow and orange are weak acid, orange red to red is strong acid, blue green to blue is weak alkaline, and blue to purple is strong alkaline. According to the test results, it is necessary to improve the culture soil which is not suitable for flower growth(shallow germination trays). The improved basin soil is soft and has good air permeability and water permeability, so it will not harden and crack.
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400-500 ml of formalin is sprayed evenly in each cubic meter of cultivated soil, and then the soil is piled up and covered with plastic film(4.5 inch nursery pots). After 48 hours of airtight, the covering is removed and the soil is spread out. It is better to use soft water or slightly acid water without calcium and money ions(plastic planters suppliers). Replace surface soil or wash basin soil with water(bulk pots). Therefore, the flowers can be watered with cold boiled water.
(cheap 20 gallon nursery pots suppliers florida)When the cut-off is too high, appropriate amount of aluminum sulfate, sulfur powder, ferrous sulfate can be added(5 gallons pots). In the medicament disinfection method, formalin containing 40% formaldehyde is usually used for disinfection. After the formalin gas is completely volatilized, it can be used(15 gal pots). There are more calcium ions in the tap water of northern cities, but the content of calcium ions can be reduced after boiling.
Natural humus culture soil(shallow microgreen trays): according to the content of humus in forest humus soil and the degree of drilling dispersion, it is mixed with garden soil or river sand and thin human urine. Sawdust, bark, coconut sugar, rice husk, horse manure soil and garbage soil can also be mixed with garden soil and peat soil to cultivate potted flowers, and the effect is very ideal(plastic plant pots wholesale). Most of the soil is neutral or acid, which is suitable for most flowers.(cheap 20 gallon nursery pots suppliers florida)
It is piled up for a period of time and can be used after full fermentation and maturity(3.5 inch nursery pots). The improvement method is to mix some coarse and humus matrix into the basin soil, such as fermented horse manure, ZHAOFEI soil, peat soil, sawdust, coarse sand, etc(4 inch plastic pots wholesale). When the potted soil is heavily alkalized and the potted flowers grow badly, the alkalized old soil should be replaced in time and the fresh substrate should be added.
(cheap 20 gallon nursery pots suppliers florida)The most convenient way to determine the pH value of culture soil is to buy a box of P-test paper from the chemical reagent store, which contains a standard colorimetric plate(deep cell plug trays). It's better to use acid culture soil for basin. Avoid taking soil near the construction site or construction site, and avoid taking soil from the thin, desolate and bare land without plants(succulent plug trays). Most of the soil in these places is alkaline or lack of organic matter.
There are many ways to change the pH value of culture soil(1 gal pots). For example, when the acidity is too high, some lime powder or plant ash can be added into the soil. In order to improve the basicity of the basin soil, we can water the peels, leaves, grass and rice washing water with a small amount of vinegar(large plastic planters uk), or use the alum fertilizer water made of ferrous sulfate and cake fertilizer solution to improve the basicity of the basin soil.(cheap 20 gallon nursery pots suppliers florida)