Seedling-stage nutritional addition material stable in fertilizer efficiency and long in action period, and preparation method thereof

Abstract

The invention discloses a seedling-stage nutritional addition material stable in fertilizer efficiency and long in action period. The seedling-stage nutritional addition material is prepared from, by weight, 23 to 27 parts of coal slime, 22 to 24 parts of rice chaff ash, 1 to 2 parts of nitrilotriacetic acid, 10 to 14 parts of sodium nitrate, 16 to 18 parts of sawdust, 17 to 19 parts of chicken feather, 6 to 8 parts of fulvic acid calcium, 36 to 40 parts of volcanic rock, 18 to 20 parts of threonine mother liquor, 21 to 25 parts of aged tea, 72 to 78 parts of waste crop straw, 4 to 5 parts of composite fungal hyphae, and an appropriate amount of water. According to a preparation method, the seedling-stage nutritional addition material is prepared from common raw materials such as coal slime and waste chicken feather via a plurality of steps such as fermentation, chelation, and pelletizing, and is capable of improving soil physicochemical properties and nutritional characteristics; a large amount of fungus is added, so that the seedling-stage nutritional addition material is capable of providing seedlings with required nutrients, relatively stable complementary nutritional system among the bacteria is formed; dominant bacterial communities are formed; and activity of the seedling-stage nutritional addition material can be maintained for a relatively long time, and fertilizer efficiency is achieved.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a nutrient additive for seedling stage with a long period of stable fertilizer effect and a preparation method thereof. Background technique [0002] The growth and development of crops can be divided into three stages: seedling stage, growth stage and mature stage. The nutritional characteristics refer to the proportion of nutrient requirements in different stages, and are directly related to the level of crop yield. The seedling stage is a sensitive period for crops to require fertilizer. The nutritional status at this stage, especially nitrogen supply, is of great significance to its growth. It not only affects the nutritional level in the middle and later stages, but also determines the final yield level of the crop. [0003] Macrofungus refers to fungi that can be harvested by hand and can produce large fruiting bodies. Beneficial fungi have a synergistic effect and can...

AI Technical Summary

Problems solved by technology

[0004] Since the seedling stage of crop growth is short and requires less nutrients, there are few nutrient additives for crop seedling stage on the market, and they are mainly inorganic fertilizers. Long-term use not only causes nutrient imbalance, but also due to extremely low utilization The rate has led to the pollution of the soil environment, endangering crop growth and human health

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