Method for improving acid soil of camellia oleifera forest

Abstract

The invention discloses a method for improving acid soil of a camellia oleifera forest in the field of treatment and restoration of acidified soil, which includes the following steps: S1. deep plowingthe acid soil of the camellia oleifera forest to be improved to 30-50cm from the surface to form a plowing layer; S2. after 15-20 days, re-plowing the acid soil of the camellia oleifera forest to a distance of 20-30cm, and reclaiming the acid soil of the camellia oleifera forest to 25cm, and digging and exposing the deep soil; S3. applying an acid soil conditioner and an improved compound fertilizer to the camellia oleifera forest to enable the acid soil conditioner and the compound fertilizer to be uniform with the plowed soil; and S4. enabling the suitable dosage of the acid soil conditioner to be 240 kg-280 kg / mu, and the improved compound fertilizer to be 2500 kg-4000 kg / mu, adopting calcium carbonate and calcium hydroxide to reduce the occurrence of the reacidification problem, adopting the improved compound fertilizer to improve the content of soil organic matters, and improving the quick-acting phosphorus-potassium-based selenium-enriched fertilizer of the selenium content of the camellia oleifera comprehensively and thoroughly to improve the products of the camellia oleifera by multiple times.

Description

technical field [0001] The invention relates to the technical field of acidified soil treatment and restoration, in particular to a method for improving acidic soil of Camellia oleifera forest. Background technique [0002] Camellia oleifera is a unique woody edible oil species in my country. It is also known as the world's four largest woody oil plants together with olive (Oleaeuropaea L.), oil palm (Elaeis guineensis Jacq.) and coconut (Cocosnucifera L.). The content of unsaturated fatty acid in camellia oil is more than 90%. It has the functions of softening blood vessels, lowering blood fat and blood pressure. It is one of the highest quality edible health oils at home and abroad. Camellia oil and its by-products are also used in agriculture, industry and medicine. has an important role. Therefore, it is of great significance to vigorously develop Camellia oleifera production and conduct relevant research in ensuring the supply of high-quality edible oil in my country, ...

AI Technical Summary

Problems solved by technology

The problem of soil acidification is more prominent than that of ordinary cultivated land. Soil acidification reduces the utilization rate of nutrients and increases the harmful bacteria in the soil, which directly affects the yield and quality of vegetables and the sustainable development of vegetable fields.

[0004] The traditional method of acidic soil improvement is to use lime or limestone powder alone. The application of lime can obviously reduce the acidity of acidic soil, but sometimes it will strengthen the degree of reacidification

There are also some acidic soil compound improvers on the market, the main component is a mixture of lime and certain minerals or industrial by-products, but most of these improvers contain a certain amount of toxic metal elements, such as lead, cadmium, arsenic, chromium, etc. , there is a problem of pollution to the soil environment, and the current use of acidic amendments has a single function, and the traditional method of manure accumulation is used for soil fertility. During the accumulation process, the organic matter and nitrogen elements in the fertilizer content are gradually lost, and the loss is relatively large Serious, can not be improved, and then seriously affect the fertility, so that the yield of Camellia oleifera is average, and the quality is relatively average