How can you tell if the soil is good or bad? How to improve soil fertility?

The HED-GT4 soil testing formula fertilizer applicator can be used to detect the content of each nutrient in the soil.

1.Pay attention to the input of organic fertilizer and bacterial fertilizer.

We know that the main role of organic fertilizer is to promote the nutrient uptake of soil fertilizer and increase soil organic matter. The main cause of soil compaction is the lack of soil organic matter. Increasing the application of organic fertilizer is an important step to improve soil compaction.

The main driving force for the formation of aggregate structure is the decomposition of organic matter in the soil to form humus, which is mainly driven by soil microorganisms, and the active substances of microorganisms can combine with organic matter in the soil to contribute to the water stability of the soil. Secondly, through the activities of microorganisms, the ion exchange frequency of soil aggregate structure can be increased, the relative quality of soil can be reduced, and the soil structure can be improved by increasing the contact rate between crops and soil organic matter. Microorganisms can form metabolism through life activities, effectively absorb the original harmful substances in the soil, form a new microbial system, and produce active substances that reduce pests and diseases.

At the same time, it is applied to crops, and to a certain extent, it regulates the nutrient absorption during the growth of crops.

2.Increase the use of humic acid fertilizers.

Humus is the main component of aggregate structure, and humus is mainly obtained by decomposing organic matter from soil micro-substances. Therefore, supplementing the soil with humic acid can increase the number of aggregate structures. This improves soil compaction.

3.Reduce the use of chemical fertilizers, organic fertilizers and chemical fertilizer mixtures.

The combination of organic fertilizer and chemical fertilizer can promote the absorption of nutrients from soil and chemical fertilizers, reduce soil residues, and prevent soil compaction caused by chemical residues in the soil. The main reason for soil compaction is the partial application of chemical fertilizers, ignoring the use of organic fertilizers, and carrying out formula fertilization on their own land. Such a scientific and reasonable fertilization method can not only reduce soil compaction, but also control the amount of blind fertilization, and there are many ways to increase the application of organic fertilizer, such as the application of crushed straw, farmhouse fertilizer, Hongtong organic fertilizer, etc. in the soil, and the application of Hongtong biological fertilizer is better.

Unreasonable water irrigation with drip irrigation and sprinkler irrigation measures is also an important cause of soil compaction. The implementation of sprinkler irrigation and drip irrigation facilities in the land can directly transport water to the roots of crops for absorption, which will not cause water waste and is also a good way to prevent soil compaction.

In fact, it is not difficult to judge soil fertilizer, and soil fertility can be judged mainly according to the following points.

According to the soil color: the loam soil is darker; Whereas the lean soil is light in color.

According to the depth of the soil layer: the soil layer is generally more than 60 cm; Whereas, lean soil is comparatively shallow.

According to the soil tillability: the loam soil layer is loose and easy to cultivate; The lean soil layer is clay and ploughed, and the cultivation is laborious.

According to the animal situation: there are snails, loaches, earthworms, large locusts, etc. There are small ants, large ants, etc., most of them are thin soil.

According to the plant conditions: the soil where red head sauce, goose hair grass, camellia grass, etc. are grown, and the soil is fertile; The soil where cow hair grass, duck tongue grass, triangular grass, wild orchids, wild onions, etc. are grown.

According to the fertilizer retention capacity: the soil with strong fertility, sufficient and long-term fertilizer supply, or potentially high fertility is considered fertile soil.

According to the slurry properties and cracks of the soil: the fertile soil is not easy to slurry, and the soil cracks are many and small; The lean soil is very easy to slurry, easy to compact, and the soil cracks are few and large.

According to the water retention capacity of the soil: the water infiltration is slow, and the irrigation can be maintained for 6 to 7 days for the fertile land; Thin soil that does not infiltrate or infiltrates quickly along cracks.

According to the water quality: the water is slippery, sticky to the feet, and the sun or feet are blistering when they are blistering for the fertile soil; The water quality is light and colorless, and the paddy field does not bubble, or the bubbles are small and easy to disperse.

Soil is composed of three substances: solid, liquid, and gas, and is called soil three-phase. Solid matter includes soil minerals, organic matter and microorganisms; Liquid matter mainly refers to soil moisture; Gases are the air present in the pores of the soil. These three types of substances in the soil constitute a contradictory unity.

They are interconnected, mutually restrictive, provide the necessary living conditions for crops, and are the ridge and material basis of soil fertility.

Fertile soil is the basis for crop production. The quality of the soil mainly depends on the fertility of the soil. Soil fertility is made up of three indispensable components: physical, chemical, and biological. Microorganisms are at the heart of soil biofertility.

Soil minerals are mineral particles of the same size formed by weathering rocks, such as sand grains, soil grains, gums, etc. Soil minerals are diverse and chemically complex. It directly affects the physical and chemical properties of the soil. It is important for crop nutrients**.

The amount of organic matter is an important indicator of soil fertility, and it is tightly bound to minerals. Generally, the organic matter content of cultivated land only accounts for the weight of the soil, and even less below the cultivated layer, but it has a great effect. Soils with a lot of organic matter are often referred to as "oily soils".

Soil organic matter is divided into fresh organic matter, semi-decomposed organic matter and humus according to the degree of its decomposition.

Hello dear, soil fertility is constantly changing, it can get better or worse, it can improve or it can decline. The construction of high-yield and stable-yield farmland in various regions is an example of the continuous improvement of soil fertility. Desertification and depletion of soil are the result of not paying attention to soil fertilization and soil fertility. It is necessary to scientifically use and manage the soil in accordance with the law of soil development, especially planting and fertilizing according to the soil, including crop rotation of different crops, stubble reversal, and rational application of organic fertilizers and chemical fertilizers, so that the land can be planted more and more fertilized and achieve high and stable yields.

Soil factors for plant growth include soil moisture, soil nutrients, soil air, and soil heat. These factors are also known as soil fertility factors. Soil fertility, or soil fertility, refers to the ability of the soil to continuously provide and coordinate the water, fertilizer, gas, and heat requirements of crops.

Various fertility factors are inseparable from each other. Therefore, soil fertility is a comprehensive manifestation of various fertility factors, and it is one of the important factors that determine crop yield. It is also an essential feature of soil that distinguishes it from rocks.

Soil is a loose surface layer of the earth's land surface with soil fertility. Soil fertility is the ability of the soil to regulate the water, fertilizer, gas and heat required for the growth and development of crops. Improving soil fertility is key to sustained crop yields.

There are three main ways to enhance soil fertility, 1. It is very important to turn the soil deeply: the land must be turned deep to promote the conversion of organic matter, after a period of planting, the shallow soil with a thickness of 20 cm basically consumes too much nutrients, and the nutrients sink to the deep soil layer. In order to survive, beneficial bacteria will also accumulate in the soil under 20 cm, so that the topsoil is not breathable.

Coupled with the large use of chemical fertilizers and pesticides, the pH of the soil is out of balance and the soil loses its vitality. At this time, it is necessary to turn the soil deeply, preferably to a depth of about 40 cm. 2. Straw returning:

Corn and wheat are basically planted with straw returned to the field. Straw returning is to turn the surface crop residues, weeds and fertilizers into the soil, which can increase the soil nutrient content and improve the soil water and fertilizer retention capacity. 3. Apply farmhouse fertilizer:

Farm fertilizer is organic fertilizer, which can not only provide nutrients needed for crop growth, but also provide rich energy for soil microbial activities, which can increase soil organic matter content, improve soil physical and chemical properties, and enhance soil environment.

Improving soil fertility means increasing the organic matter in the soil and enhancing the activity of the soil. To improve organic matter, straw returning and organic fertilizer can be applied.

To improve soil activity, the main thing is to increase the thickness of sunny soil, which can be achieved through soil rotation, summer drying, and the use of winter freezing and ablation capacity.

1.Increase the application of organic fertilizer:

The application of agricultural fertilizers with high organic matter content, such as human manure, animal manure, urine and compost, compost, green manure, can improve and maintain the content of organic fertilizer in the soil. In places where conditions permit, a large amount of fertilizer (river mud, peat, etc.) can be applied, which has a significant effect on improving the content of soil organic matter.

2.Straw returning:

Straw returning is an effective measure to improve soil and increase soil productivity. First, the straw is poured into the soil after composting. Second, after the crops are harvested, the chain will chop the crop straw, sprinkle it on the ground with a plow, and return directly to the field.

In this way, the physical properties of the soil can be improved, the formation of soil aggregate structure can be promoted, and the air permeability, water permeability and fertilizer retention capacity of the soil can be improved, thereby improving soil fertility.

3.Rational crop rotation:

Reasonable crop rotation is the cultivation method of land cultivation, pay attention to two points in the shed such as crop rotation: one is to appropriately increase the planting area of leguminous crops, in the rotation process about four years to plant a crop of leguminous crops can increase the nitrogen content in the soil, at the same time, leguminous green manure crops after turning into the soil, a large number of roots, stems, leaves can increase soil organic matter, improve soil physical and chemical properties, improve soil fertility;

Second, the planting of land-consuming crops should be controlled for many years, such as sugar beet should be rotated once every seven years, sunflowers should be rotated once every four years, and beans and melon crops should not be heavy and not stubble, and should be rotated for more than five years, which is conducive to restoring soil fertility and preventing and controlling diseases.

4.Planting grass and fertilizing the field:

Vigorously advocate the planting of leguminous forage grasses, improve soil fertility, and improve economic benefits. At present, forage grasses such as wood rhinoceros and alfalfa can be planted to improve soil fertility and increase soil productivity.

5.Rationally adjust the proportion of agricultural, forestry and pastoral land

The development and restoration of forestry is a favorable measure to balance the ecology, improve climatic conditions, and turn a vicious circle into a virtuous circle. Rational animal husbandry development can provide a large amount of organic matter for the soil, which is a direct measure to fertilize the soil and improve crop yields.