Common organic fertilizers mainly include the following categories, each with different sources, characteristics, and applicable scenarios:

1、 Animal based organic fertilizer

Human feces and urine:

Source: Human excrement.

Characteristics: High nitrogen content, fast fertilizer efficiency, but attention should be paid to hygiene treatment to avoid the spread of bacteria.

Applicable scenarios: Suitable for various soils and crops, but must be fully decomposed before use.

Livestock manure and urine:

Source: excrement from livestock such as pigs, cows, sheep, and horses.

Characteristics: It contains a high amount of nutrients such as nitrogen, phosphorus, and potassium, and has a long-lasting fertilizer effect.

Applicable scenarios: Widely applicable to various crops, it is a common source of organic fertilizer in rural areas.

Poultry manure:

Source: excrement from poultry such as chickens, ducks, geese, etc.

Characteristics: High nutrient content, especially nitrogen, and fast fertilizer efficiency.

Applicable scenarios: Suitable for various soils and crops, but pay attention to the dosage and avoid burning seedlings.

barnyard manure:

Source: Mixed and fermented animal manure and various gasket materials.

Characteristics: Comprehensive nutrients, long-lasting fertilizer effect, and can improve soil structure.

Applicable scenarios: Suitable for various crops, especially those that require a large amount of fertilizer.

Composting:

Source: It is made by using crop straw, weeds, fallen leaves, garbage, etc. as the main raw materials, and adding human manure, peat, soil, etc. for stacking.

Characteristics: Rich in nutrients, long-lasting fertilizer efficiency, and can improve soil.

Applicable scenarios: Suitable for various soils and crops, it is a commonly used organic fertilizer in agricultural production.

waterlogged compost:

Source: It is made by soaking and fermenting crop straw, weeds, green manure, peat, garbage, and human and animal manure in fields, corners, or specialized ponds.

Features: High nutrient content and fast fertilizer efficiency.

Applicable scenarios: Suitable for various crops, especially those that require a large amount of fertilizer.

cake fertilizer:

Source: Residue left after oil extraction from seeds of various oil crops.

Characteristics: High nutrient content, especially nitrogen, with long-lasting fertilizer efficiency.

Applicable scenarios: Suitable for various soils and crops, it is a high-quality organic fertilizer.

Sericulture:

Source: A mixture of silkworm excrement and leftover mulberry leaves.

Features: High nutrient content and fast fertilizer efficiency.

Applicable scenarios: Suitable for various crops, especially fruit trees and vegetables.

Fish meal, bone meal:

Source: Processed from fish waste and animal bones.

Characteristics: High nutrient content, especially phosphorus, long-lasting fertilizer effect.

Applicable scenarios: Suitable for crops with high phosphorus requirements, such as flowers, fruit trees, etc.

2、 Plant-based organic fertilizer

Green manure:

Source: Artificially cultivated leguminous, Asteraceae, Poaceae and other plants.

Characteristics: It can fix nitrogen in the air and increase soil organic matter content.

Applicable scenarios: Suitable for various soils and crops, it is an effective measure for improving soil and fertilizing soil fertility.

Straw:

Source: The remaining part of crops after harvest, such as wheat straw, rice straw, corn straw, etc.

Characteristics: It contains a certain amount of nutrients and can be used as organic fertilizer after composting.

Applicable scenarios: Suitable for various soils and crops, but attention should be paid to composting methods to avoid producing harmful gases.

3、 Other organic fertilizers

Biogas fertilizer:

Source: Residue of organic matter fermented under anaerobic conditions in a sealed biogas digester.

Characteristics: High nutrient content, good fertilizer efficiency, and can improve soil structure.

Applicable scenarios: Suitable for various soils and crops, it is an effective measure for the comprehensive utilization of rural energy and fertilizers.

Mud fertilizer:

Source: Unpolluted river mud, pond mud, ditch mud, harbor mud, lake mud, etc.

Characteristics: High nutrient content, long-lasting fertilizer effect, and can improve soil.

Applicable scenarios: Suitable for various soils and crops, especially paddy fields and vegetable fields.

Wood ash:

Source: Remnants from burning plant materials.

Features: Contains a high amount of potassium and other trace elements, with fast fertilizer efficiency.

Applicable scenarios: Suitable for various soils and crops, especially those with high potassium requirements.