1 Soak the water to take a water cup, soak the organic fertilizer sample in the water, then crush the organic fertilizer soaked in the water by hand, stir it to visually see the raw material of the organic fertilizer; then put it for a while, if organic When the fertilizer and water are stratified in a short time, the organic fertilizer is more important and contains more soil.
2 smell the law carefully smell the taste of the fertilizer to see if there is ammonia, feces, sludge, good organic fertilizer should be a thoroughly decomposed taste.
3 Hand rubbing organic fertilizer with the thumb and forefinger back and forth, if there is a feeling of pickpocket, there are sand or other impurities inside.
4 Strain test method Take a cup of water and put the organic fertilizer inside, sprinkle a little water (be careful not to soak water, damp it), put it in a warm and suitable place, good organic fertilizer will grow a white hyphae, open organic The fat granules will also see white hyphae inside.
5 Potted test method Take a pot of flowers, grab a large amount of organic fertilizer directly on the roots of the flowers, pour water, good organic fertilizer will gradually grow white hyphae, promote plant growth, unqualified organic fertilizer will smoke Seedlings, the plants gradually wilted until death.
6 Contrast test method After selecting organic fertilizer, when planting crops, leave a part of the organic fertilizer and observe the performance of the plant. Good organic fertilizer will have obvious effects on growth, yield and quality.
7 Look at the specifications of the packaging, whether it is authorized production (generally authorized production does not have their own factory, no source of raw materials)
8 Foreign language packaging should not be purchased as much as possible, because organic fertilizer is waste recycling, and foreign imports are almost impossible. (Wu Lian County Agricultural Bureau)
2 smell the law carefully smell the taste of the fertilizer to see if there is ammonia, feces, sludge, good organic fertilizer should be a thoroughly decomposed taste.
3 Hand rubbing organic fertilizer with the thumb and forefinger back and forth, if there is a feeling of pickpocket, there are sand or other impurities inside.
4 Strain test method Take a cup of water and put the organic fertilizer inside, sprinkle a little water (be careful not to soak water, damp it), put it in a warm and suitable place, good organic fertilizer will grow a white hyphae, open organic The fat granules will also see white hyphae inside.
5 Potted test method Take a pot of flowers, grab a large amount of organic fertilizer directly on the roots of the flowers, pour water, good organic fertilizer will gradually grow white hyphae, promote plant growth, unqualified organic fertilizer will smoke Seedlings, the plants gradually wilted until death.
6 Contrast test method After selecting organic fertilizer, when planting crops, leave a part of the organic fertilizer and observe the performance of the plant. Good organic fertilizer will have obvious effects on growth, yield and quality.
7 Look at the specifications of the packaging, whether it is authorized production (generally authorized production does not have their own factory, no source of raw materials)
8 Foreign language packaging should not be purchased as much as possible, because organic fertilizer is waste recycling, and foreign imports are almost impossible. (Wu Lian County Agricultural Bureau)
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