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Long-term application of acid fertilizers leads to severe acidification and compaction in most orchard soil, hindering root growth and triggering calcium-deficient diseases such as fruit cracking. Calcium ammonium nitrate supplies nitrogen and calcium simultaneously. With mild chemical property, it can gradually improve soil conditions. This article introduces its improvement effects, application methods and matched fertilization schemes.

Most farmers struggle to distinguish between blended fertilizer, mixed fertilizer, and compound fertilizer during fertilizer purchasing and field application. These three common multi-nutrient fertilizers all contain nitrogen, phosphorus, and potassium, yet they differ greatly in nutrient composition, production processes, particle uniformity, fertilization stability, and crop absorption efficiency. Choosing the wrong fertilizer will lead to insufficient fertilizer effects, uneven nutrient supply, increased planting costs, and reduced crop yields. This article elaborates on the core differences among the three fertilizers from three key dimensions: nutrient composition, production technology, and practical application effects, helping growers select and apply fertilizers scientifically to maximize crop productivity.

Integrated water and fertilizer system is widely used in greenhouses and orchards, with water-soluble NPK fertilizers as core topdressing. Improper application causes fertilizer burn, pipeline blockage and nutrient waste. This article introduces standardized application skills to boost fertilizer efficiency and cut planting costs.

Ammonium chloride is a physiologically acidic quick-acting nitrogen fertilizer widely applied in agriculture. Featuring stable nitrogen content and high cost performance, it is extensively used for grain crops and fiber cash crops. Nevertheless, due to containing chloride ions and its property of acidifying soil, it has strict restrictions on applicable crops, soil types and application methods. Many growers encounter soil compaction, poor crop quality and low fertilizer efficiency because they fail to distinguish applicable scenarios and ignore fertilizer application taboos. This article comprehensively introduces the chemical characteristics, applicable crops, application features and prohibitions of ammonium chloride, guiding growers to apply fertilizer scientifically, avoid risks and increase yields.

Magnesium deficiency commonly causes yellow leaves in field fruit trees, weakening photosynthesis and reducing fruit quality and yield. Magnesium sulfate features high solubility and rapid absorption, effectively replenishing soil magnesium and relieving leaf chlorosis. This article introduces its supplement mechanism, application methods and orchard matching fertilization solutions.

Ammonium sulfate is a classic nitrogen-sulfur dual-element fertilizer widely adopted in modern agriculture. Characterized by high solubility, rapid crop absorption and broad applicability, it works exceptionally well for conditioning clay and calcareous alkaline soil. It supplies nitrogen and sulfur essential for crop synthesis of chlorophyll and protein, visibly boosting crop quality and yields. Many growers fail to figure out its applicable soil types, matching crops, proper application periods and relevant restrictions, which easily leads to wasted fertilizer efficiency, excessive vegetative growth and unbalanced soil environment. This article systematically illustrates the physical & chemical properties, core merits, application methods, dosage standards of different formulations, applicable crops and common misconceptions of ammonium sulfate, helping farmers apply fertilizers scientifically and raise planting profits efficiently.