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How to choose chemical fertilizers? Practical tips for farmers when selecting fertilizers
Fertilizers 1. Correctly identify counterfeit and inferior fertilizers to avoid being deceived. Nitrogen, phosphorus, and potassium macro-element fertilizers and high-content compound fertilizers are all products produced by legitimate manufacturers and meeting standards...
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How to tell real fertilizer from fake? A few practical methods
Identifying from the packaging: First, check the markings. A fertilizer packaging bag must indicate the product name, nutrient content, grade, trademark, net weight, standard code, factory name...
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Practical Methods of Using Fertilizers to Control Crop Pests
1. Nitrogen fertilizer: Commonly used nitrogen fertilizers, such as urea, ammonium bicarbonate, and ammonia water, have stimulating, corrosive, and fumigating effects on pests, and are effective for controlling small, low-endurance pests such as aphids and red spider mites. When pests occur, spray a 2% urea solution or 1% ammonium bicarbonate solution on the leaves, once every 7 days, for 2--3...
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What are the methods for topdressing crops? A full analysis of practical techniques
What are the methods for topdressing crops? Please give an introduction. The following methods for topdressing crops are for reference: 1. Direct broadcasting: after the crop is watered or after rain, when the field moisture is suitable and you can enter the field, broadcast the fertilizer directly between the crop rows and plants. Although this method is relatively simple, part of the fertilizer...
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How can the fertilizer efficiency of urea be improved? These methods are very practical
What methods can improve the fertilizer efficiency of urea? Please introduce the methods. The fertilizer efficiency of urea can be improved using the following methods: 1. Deep application of urea: this not only helps the conversion of urea, but also reduces volatilization loss after urea is converted into ammonium carbonate. When applying, it must not be too close to the root system, to prevent ammonia damage and seedling burn. 2. ...
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How to Fertilize Aged Greenhouses? A Detailed Guide to Practical Methods
In production, we often hear many vegetable growers complain that the fertilizer applied in their greenhouses has had no effect, and most conclude that it is a problem with the fertilizer itself. On closer consideration, this view is actually quite one-sided. Through visits, reporters found that low fertilizer use efficiency is the real crux of the problem. Fertilizer use efficiency refers to the nutrients absorbed by the crop in the current season...
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How to tell real phosphate fertilizer from fake? Here are a few practical methods
1. The role of phosphorus: the swelling element (the main nutrient for swelling of crop roots, stems, leaves and fruits), the energy of cell division. Deficiency symptoms: the most direct manifestation is uneven crop sizes in the field, especially obvious in orchards, and now most field crops also show this, with individual plants showing...
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How to tell good phosphate fertilizer from bad? A few practical methods
August to October is the suitable sowing period for autumn crops in the south, such as rapeseed, broad beans, green manure, potatoes and various autumn vegetables, all of which are sown during this period. Experienced farmers know that autumn crops emphasize the application of phosphate fertilizer; this is based on the causal relationship between crops, soil and fertilizer, and is determined by phosphate fertilizer itself...
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How to identify organic fertilizer? A few practical methods to teach you
1 Water soaking method Take a cup, soak an organic fertilizer sample in water, then use your hand to crush the organic fertilizer soaked in the water, stir it a bit and you can intuitively see the raw materials of the organic fertilizer; then let it sit for a while, if the organic fertilizer and water separate within a short time, it means the organic fertilizer has a high specific gravity and contains more soil. 2 Smell method Carefully...
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How can phosphate fertilizer efficiency in wheat fields be improved? Practical methods shared
1. Apply after mixed composting and fermentation with organic fertilizer. Organic fertilizer is rich in organic matter, phosphoric acid and a variety of organic weak acids, which can turn insoluble phosphorus into soluble phosphorus. It not only greatly improves the utilization rate of phosphate fertilizer, but also effectively overcomes the problem of phosphate fertilizer burning seedlings. 2. Apply in combination with nitrogen fertilizer, potassium fertilizer, and zinc fertilizer...
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