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Why is it emphasized that paddy fields should be given more organic fertilizer?
When rice paddies are planted year after year, large amounts of the three major elements nitrogen, phosphorus and potassium, and a certain amount of calcium, magnesium, sulfur, iron and other elements, must continually be taken from the soil every year, and small amounts of trace elements such as chlorine, zinc, manganese, boron, copper and molybdenum must also be absorbed. In addition, the silicon absorbed by rice is about 10 times that of chlorine. A large amount of various nutrients...
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How should long-acting compound fertilizer be applied to give full play to its fertilizer efficiency?
Recently, a netizen left a message saying: when buying chemical fertilizers nowadays, I often see various kinds of potassium marked on the packaging. What kinds of potassium fertilizer are there exactly? First of all, potassium fertilizers fall into two major categories: one is straight potassium fertilizer, and the other is potassium-containing compound fertilizer. Common straight potassium fertilizers include potassium chloride, potassium sulfate and potassium silicate, etc. Potassium chloride: with...
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What is the reason that applying ammonium bicarbonate in spring gives good results?
What are the characteristics of ammonium bicarbonate? What effects does applying ammonium bicarbonate have? Why is the effect good when used in spring? Experienced netizens are also asked to give a brief introduction. 1. Fast fertilizer effect: Compared with urea, ammonium bicarbonate differs in that urea cannot be directly absorbed by crops after being applied to the soil, and under suitable conditions it still needs to undergo a series of transformations before...
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