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Liming the soil in autumn – application rate depending on the substance used

Tell me when the soil is liming in the fall, the rate of application and what preparations are used for this. I have one corner on the edge of the summer cottage, whatever I plant there, nothing grows. But the wild sorrel every year is almost my waist, you can’t bring it out. I read that it grows in acidic soil, which means that this is why my plants do not take root. So, I decided in the fall to try to make this site suitable for garden crops. What can be deposited and how much?

liming the soil in autumn application rate In order for garden, vegetable and flower crops to develop well, they need nutrients, and also a certain acidity of the soil. Not all plants do well in acidic soil, moreover, most of them do not have such a composition at all. In order to reduce the acidity of the soil and saturate it with certain microelements, liming of the soil is carried out in the fall, the application rates of which are important to strictly observe. Not only acidic, but also alkaline soil is not suitable for truck farming and horticulture. It becomes salted and prevents the absorption of calcium and other nutrients by plants. In addition, liming is carried out only when necessary. And for this it is important to first determine what level of acidity on the site.

How to determine if the soil needs liming

what weeds grow on acidic soil The most accurate way to find out the acidity is in the laboratory, but not everyone has such an opportunity. As well as the purchase of special devices or indicators. However, more often than not, nature itself makes it clear that the soil does not have enough alkali. It is enough just to observe the crops growing in such areas, even weeds..

On acidic soils, such plants feel well and actively grow:

  • field horsetail;
  • horse sorrel;
  • large plantain;
  • wild mustard;
  • the highlander is pochechuy;
  • meadow cornflower;
  • sedge;
  • oxalis;
  • moss.

In addition, a white bloom on the surface of the soil also speaks of the need for liming. And when water is collected in such areas, it is rusty, with a brown sediment and an iridescent film on the surface of the puddles..

Why lime in the fall

why lime the soilAutumn is the best time for liming, because there is no need to calculate and compare this procedure with planting. It is possible to deacidify the soil in spring, but then it is important to have time to do it at least 3 weeks before planting or sowing.

The second important advantage of autumn liming is that it cannot be carried out simultaneously with the introduction of nitrogen fertilizers, and more specifically, ammonium. As a result, substances indigestible by plants are formed in the soil. Nitrogen fertilizing is carried out in the spring, so it is better to transfer the deoxidation to autumn and spend it under digging. This will not only reduce acidity, but also doubly improve the structure of the soil, making it looser and more moisture-permeable..

Liming is needed for areas with acidity below 5 pH.

Liming the soil in autumn – application rate and preparations

liming the soil in autumn the rate of lime applicationFor deoxidation, you can use the following substances:

  1. Lime (fluff). For soil with acidity up to 4.5, the consumption is 0.3-0.5 kg of fluff per square. 0.1-0.2 kg is enough for acidic soil with a pH of up to 5.3, and 0.2-0.1 kg for slightly acidic soil per square meter of area.
  2. Dolomite flour. It has an important advantage – it can be applied in winter, right on the snow cover. For clay soil with an acidity of 3.5 to 5.3, the application rate is 0.5 kg per 1 sq. m., 0.35 kg is enough for slightly acidic soil. For sandstones, the norms should be even less: 0.3 kg per 1 sq. m. for strongly acidic soil, 0.2 kg – for acidic soil and only 0.1 kg – for slightly acidic soil.
  3. Wood ash. With the main application, the rate is 600 g per 1 sq. m., repeated deoxidation – no more than 200 g.
  4. Peat ash – 1.8 kg / sq.m. for the first application and for additional no more than 400 g.

How and when to limy the soil in autumn

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