-
Four points to note when storing chemical fertilizers in summer
Four points to note when storing chemical fertilizers in summer
-
How to apply urea in summer? Mastering the correct method is key
What should be noted when applying urea? Please advise, thank you very much. Urea has a high nitrogen content, long-lasting fertility and is easy to apply, so it is very popular with farmers. To give full play to the role of urea, the following points should be noted during use: do not broadcast it on the soil surface: when urea is broadcast on the surface, at normal temperature it takes 4-5 days of transformation before it can be...
-
What fertilizers are mainly used for summer topdressing? A full analysis of type selection
What fertilizers are mainly used for summer topdressing? Please explain that in summer, field crops are mainly topdressed with nitrogen fertilizer, while cash crops such as vegetables, tobacco, grapes, and cotton need potassium fertilizer in addition to nitrogen fertilizer. For example, for spring corn, use a one-time application of urea as the base fertilizer as a reference. Apply the other half of the urea as topdressing at the end of July and...
-
What are the precautions for topdressing eggplant in summer?
What should be noted when topdressing eggplant in summer? Here is an introduction: when topdressing eggplant in summer, the following three points should be noted: furrow application. Vegetable growers have become accustomed to applying chemical fertilizers with irrigation water, but this method is not suitable in the high-temperature summer season, because at higher temperatures, when chemical fertilizers are applied with water, a large amount of ammonia volatilizes and reduces the effect...
-
Methods and Technical Key Points for Summer Topdressing of Fruit Trees
How to do summer topdressing for fruit trees? Please introduce the methods. In mid-to-late June, the fruits of grape, pear and other fruit trees begin to swell and are in the first rapid expansion stage. Flower buds are in the physiological differentiation stage, their root systems grow rapidly and their absorption function is active, making nutrient deficiency likely. During this critical period, timely and appropriate topdressing can supplement the nutrients needed by the tree and promote...
-
How to store chemical fertilizers well in summer? Here are the correct storage methods
How to store chemical fertilizers well in summer? Please explain the methods. When storing chemical fertilizers in summer, pay attention to the following points: prevent moisture and deterioration. For example, ammonium bicarbonate easily absorbs moisture, causing nitrogen volatilization loss; ammonium nitrate has strong hygroscopicity and easily caking and deliquesces; calcium cyanamide and superphosphate easily cake after absorbing moisture, affecting application results. Therefore, these...
条件筛选