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Calcium, known as the “skeleton of crop growth”, is an indispensable secondary element for plant growth and development. As the fundamental substance forming crop cell walls and cell membranes, it deeply participates in multiple physiological processes including cell division, pectin synthesis, nutrient transportation and organ differentiation. It directly affects root activity, stem and leaf growth, peel toughness as well as the overall disease and stress resistance of plants, functioning throughout the whole growth cycle from germination to harvest.

Most growers fall into a common calcium supplementation misunderstanding: they apply calcium fertilizers every year yet still suffer frequent crop diseases. The root cause lies in the inherent property of calcium elements—calcium has extremely poor mobility inside crops and cannot transfer automatically from old tissues to new shoots, young leaves and immature fruits. Meanwhile, most farmland in China faces obstacles to effective calcium absorption. In acidic soil, calcium ions are easily washed away by rain via leaching and lost completely. In saline and alkaline soil, free calcium is solidified into inert calcium that crops cannot absorb and utilize. In addition, extensive farming practices such as long-term over-application of NPK compound fertilizers, continuous cropping and flood irrigation directly inhibit calcium uptake by crop roots. Hidden and periodic calcium deficiency has become a common problem for most fruits, vegetables and fruit trees.

Calcium deficiency triggers various adverse symptoms at all growth stages. At the seedling stage, new leaves deform and curl with scorched leaf tips and necrotic growing points, resulting in stunted and weak seedlings with uneven growth. During flowering and fruit setting, malformed floral organs with low vitality easily lead to flower and fruit drop and low fruit set rate. The fruit expansion period witnesses the highest incidence of calcium-deficiency physiological disorders, including blossom end rot in tomatoes, tipburn in cabbages, fruit stem rot in melons, fruit cracking in grapes and cherries, rind pitting and hollow fruit in citrus, as well as soft and deformed fruits. Furthermore, fruits lacking calcium feature thin peels and low hardness, making them prone to damage and rot during storage and transportation, severely downgrading commodity quality and cutting farmers’ final profits.

Traditional ordinary calcium fertilizers have obvious drawbacks and can no longer meet the demand for high-quality cultivation. Conventional calcium sources such as quicklime, calcium chloride and regular calcium nitrate are highly susceptible to soil pH and salt content. They either get fixed and deactivated by soil or wash away rapidly after watering, resulting in extremely low fertilizer utilization efficiency. Foliar spraying of these products tends to leave salt residues that block leaf stomata. Moreover, they generate nutrient antagonism with medium and trace elements including potassium, magnesium and boron, hindering crops from absorbing multiple nutrients simultaneously. Such fertilizers only temporarily relieve superficial calcium deficiency, treating symptoms rather than root causes, and fail to solve the core issue of deep calcium shortage in young fruits and new shoots.

Developed to tackle the pain points of traditional calcium fertilizers, this high-activity sugar alcohol chelated calcium breaks all limitations of ordinary calcium products and is specially formulated for efficient crop calcium supplementation. Adopting cutting-edge sugar alcohol chelation technology, natural sugar alcohols wrap active calcium ions inside. Unlike ordinary ionic calcium, this product boasts stronger stability and wider compatibility, adapting to all soil types without restriction from soil acidity, alkalinity or salinity. Sugar alcohols feature plant-homologous transport channels, which enable calcium ions to quickly penetrate soil for direct root absorption, and pass through leaf cuticles to bypass crop absorption barriers. It realizes all-round rapid calcium supplementation via leaves, branches and fruits, with absorption efficiency several times higher than conventional calcium fertilizers.

Scientific application of sugar alcohol chelated calcium brings comprehensive benefits to cultivation. Supplementing active calcium at the seedling stage quickly repairs damaged growing points, thickens cell walls, corrects calcium-deficiency symptoms such as curled and withered new leaves, cultivates robust seedlings and boosts their cold and drought resistance. During the flowering phase, it strengthens floral organs, improves pollen vitality, reduces flower and fruit drop and raises the rate of high-quality fruit setting. Continuous calcium supply in the fruit expansion period strengthens peel toughness and fruit hardness, fundamentally eradicating physiological disorders like fruit cracking, hollow fruit, blossom end rot and soft fruit. Crops bear well-proportioned fruits with smooth and bright peels, completely resolving all stubborn calcium-deficiency problems during fruit swelling.

Besides, this sugar alcohol chelated calcium activates various biological enzymes inside crops, accelerates the accumulation and conversion of carbohydrates, sugars and dry matter in plants, effectively boosting fruit sugar content, flavor and overall quality. It also optimizes the rhizosphere microecological environment, stimulates the germination of fibrous roots, enhances roots’ capacity to absorb fertilizer and water, balances plant nutrient structure and avoids nutrient antagonism. It strengthens crops’ resistance to high temperature and diseases, extends the fresh-keeping and shelf life of fruits, and reduces losses during harvesting and transportation.

This product features outstanding compatibility and fits all types of crops. For vegetables, it applies to tomatoes, cucumbers, peppers, eggplants, cabbages and Chinese cabbages. For fruit trees, it suits citrus, apples, grapes, strawberries, peaches, plums, mangoes, kiwis and more. It is also applicable to grain and cash crops such as rice, wheat, peanuts, soybeans, flowers and green seedlings. Safe to use throughout the entire growth cycle, it is mild and non-irritating without burning crop flowers, leaves or root systems. Multiple application methods are supported, including foliar spraying, fertigation, drip irrigation and root drenching. With low input cost and high return, it helps growers easily eliminate calcium deficiency troubles, cultivate high-grade commercial fruits, stabilize yield, upgrade quality and achieve higher production and income.