A Complete Guide to Water-Soluble Fertilizers for Mass Elements

　　I. Characteristics

　　First, completely water-soluble. Its complete water solubility and superior purity make it suitable for all fertilization systems, including bottom application, flushing, drip irrigation, sprinkler irrigation, and foliar spraying. It truly achieves integrated water and fertilizer management, saving water, fertilizer, labor, and time.

　　Second, comprehensive nutrition. It contains the macronutrients nitrogen, phosphorus, and potassium; the secondary macronutrients calcium, magnesium, and sulfur; and some essential micronutrients such as boron, manganese, and iron. The total content of macronutrients is not less than 50%, and the content of a single element is not less than 6%. The balanced ratio of multiple elements needed by plants fully meets the needs of agricultural producers for high-quality and stable products.

　　Third, easily absorbed. Micronutrients exist in the product in a chelated form, which can be effectively absorbed by crops.

　　Fourth, safe and environmentally friendly. The raw materials are ultra-pure, free of impurities, and have low conductivity. It can be safely applied to various economic crops, including vegetables, flowers, fruit trees, tea, cotton, tobacco, and lawns.

　　Fifth, non-toxic and harmless. Rich in macromolecular organic activators, it contains essential organic activators needed by soil and crops. It can improve soil, enhance soil's water and fertilizer retention capacity, and significantly improve soil's resilience.

　　Sixth, good compatibility. It can be mixed with most pesticides (except strong alkaline pesticides), reducing operating costs. In fact, the ultimate goal of all functions of macronutrient water-soluble fertilizers is to help growers increase yields, improve income, and enhance the quality of agricultural products!

　　II. Efficacy

　　Macronutrient water-soluble fertilizers can be divided into balanced type, high-nitrogen type, high-phosphorus type, high-potassium type, and special fertilizers, according to different elemental ratios.

　　1. Balanced water-soluble fertilizer: Very effective for nutrient imbalance in farmland, especially for soil showing nutrient deficiency. It can meet the nutritional needs of crops throughout their growth cycle, and has a wide range of applications. It contains a high proportion of nitrate and urea nitrogen, and the balanced supply of nitrogen, phosphorus, and potassium promotes rapid leaf greening, balanced growth of roots and stems, prevents excessive vegetative growth, balances nutrition, increases yield, and enhances quality.

　　2. High-nitrogen water-soluble fertilizer: Can regulate the coordinated development of vegetative and reproductive growth in crops and enhance their ability to resist adversity.

　　3. High-phosphorus water-soluble fertilizer: Can effectively promote root growth, flower bud differentiation, flower and fruit retention, increase fruit setting rate, contains a large number of buffer ions, can meet the requirements of acid-loving crops for the environment, and is also very helpful for improving alkaline soil.

　　4. High-potassium water-soluble fertilizer: Suitable for use after fruit setting, it can reduce fruit drop, reduce malformed fruit, make the fruit uniform in size, fast expansion, fast coloring, smooth and glossy skin, increase sweetness, increase yield while improving quality.

　　III. Identification

　　Currently, the quality of fertilizer products on the market varies greatly. When purchasing, growers need to develop a discerning eye. Below are some tips to help you distinguish between good and bad products:

　　1. Check the content of macronutrients and micronutrients on the packaging bag.

　　According to the standard for macronutrient water-soluble fertilizers, the content of each of the three elements nitrogen, phosphorus, and potassium should not be less than 4%, and their total should not be less than 50%. If the packaging shows that the content of a certain element in the macronutrients is less than 4%, or the total of the three elements is less than 50%, this product is substandard. The micronutrient content refers to the total content of copper, iron, manganese, zinc, boron, and molybdenum. The product should contain at least one micronutrient, and the content of a single micronutrient not less than 0.05% should be included in the micronutrient content.

　　2. Check the specific nutrient labeling on the packaging bag.

　　High-quality macronutrient water-soluble fertilizers clearly label the guaranteed components (including macronutrients and micronutrients), and each is individually labeled. This makes the nutrient content clear, giving users peace of mind. Irregular manufacturers generally use phrases such as "the total content of several elements > a certain percentage." Such labeling indicates that the product is irregular.

　　3. Check the product formula and registered crops.

　　Macronutrient water-soluble fertilizer is a formulated fertilizer. High-quality water-soluble fertilizers generally have several formulas, suitable for use from seedling stage to harvest. If the packaging clearly states that it is a special fertilizer for a certain crop, using only one or two formulas, this is irregular. Regular fertilizers have registered crops, which are one or several crops. For unregistered crops, local usage experience should be provided.

　　4. Check for product execution standards, product common names, and fertilizer registration numbers.

　　The so-called fully water-soluble fertilizers, their common name is actually macronutrient water-soluble fertilizers, and the common execution standard is NY1107-2010. If the packaging does not show this standard, it is not a fully water-soluble fertilizer. Many fully water-soluble fertilizers on the packaging are labeled with GB, indicating that these products are substandard. In addition, check if it has a fertilizer registration number. If you have doubts about the product, you can check its fertilizer registration number online. For qualified macronutrient water-soluble fertilizers, the fertilizer registration number and Manufacturer can be found. If not, the product is substandard.

　　5. Check the dissolution.

　　Dissolving the fertilizer in water is the most important way to identify the quality of water-soluble fertilizers. High-quality, fully water-soluble fertilizers dissolve quickly in water, and the solution is clear and free of residue or sediment. If the fertilizer does not completely dissolve in water and has residue, the fertilizer quality is not very good.

　　6. Check the appearance.

　　High-quality water-soluble fertilizer products have uniform particles and are crystalline. If you see particles of varying sizes, especially those similar to compound fertilizer particles, it is best not to buy them. Through the above methods, you can choose high-quality and efficient water-soluble fertilizer products to achieve increased production and income. Let me emphasize one point: When choosing macronutrient water-soluble fertilizers, don't seek the most expensive, but seek the right one!