Now there are more and more types of organic fertilizers on the market, how should farmers identify organic fertilizers? Organic fertilizer not only contains a large number of essential plant elements, trace elements, but also contains rich organic nutrients, organic fertilizer is the most comprehensive fertilizer。Here to teach you how to identify the advantages and disadvantages of organic fertilizer!
First, soak a cup of water, soak the organic fertilizer sample in water, and then crush the organic fertilizer soaked in water by hand, stir up the raw materials of organic fertilizer can be intuitively seen;Placed for a period of time, if the organic fertilizer and water are stratified in a short period of time, it means that the organic fertilizer ratio is significant and contains more soil。
Second, smell the taste of fertilizer carefully to see whether there is ammonia smell, feces smell, or silt smell, good organic fertilizer should be a thoroughly decomposed taste。
Third, the hand twist method to take organic fertilizer with the thumb and index finger to roll back and forth, if there is a feeling of the hands, there is sand or other impurities。
Take a cup of organic fertilizer in it, sprinkle a little water (be careful not to soak in water, wet on the line), put it in a warm and suitable place, good organic fertilizer will hold the head out of white mycelia, break open organic fertilizer particles will see that there is also white mycelia inside。
Five, pot test method Take a pot of flowers, grab a large number of organic fertilizer directly sprinkle on the roots of the flowers, pour water, good organic fertilizer will gradually grow white mycelia, promote plant growth。The poor quality of organic fertilizer will smoke the seedlings, and the plants will gradually weaken until they die。
After choosing organic fertilizer, when planting crops, set aside a part of the organic fertilizer, observe the performance of the plants, and good organic fertilizer will have obvious effects on growth, yield and quality。
Seven, packaging identification method to see whether the organic fertilizer packaging specifications, whether authorized production (generally authorized production is not their own factory, no source of raw materials)。Try not to buy foreign packaging, because organic fertilizers are waste reuse, foreign imports are almost impossible。
This is how to identify organic fertilizer methods。The wide use of organic fertilizers has gradually transformed agricultural production into pollution-free agriculture。Organic fertilizers will gradually replace other fertilizers and become a necessary fertilizer for crop growth。 |