EFFECTS OF CALCIUM FERTILISERS...COMPOSITIONS

Calcium fertilization of many crops is frequently confused with lime or gypsum soil amendments. Many believe application of these minerals to soils sufficiently supplies the calcium requirement of crops. Unfortunately, the role of calcium in plant nutrition is often eclipsed by interest in macronutrients or specific micronutrients. Many overlooked and is only considered when deficiency disorders influence the economic threshold of produce quality and value.
However, we know that calcium

1) is a multifunctional nutrient in the physiology of crop plants and

2) in the soluble form influences availability and uptake. Nitrogen-use efficiency of urea-containing fertilizers is also increased with soluble calcium sources such as calcium nitrate. Classical visual symptoms in calcium deficient plants include 1) death of growing points, 2) abnormally dark green foliage,

3) premature shedding of blossoms and buds, and

4) weakened stems. Our focus in this article will primarily address the importance of calcium in cell wall structure and crop production. Calcium’s function Cell wall strength and thickness are increased by calcium addition.

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Calcium is a critical part of the cell wall that produces strong structural rigidity by forming cross-links within the pectin polysaccharide matrix. With rapid plant growth, the structural integrity of stems that hold flowers and fruit, as well as the quality of the fruit produced, is strongly coupled to calcium availability. Solubility helps Many fruit and tuber crops such as apple and potato have a very narrow window for calcium uptake. Ninety percent of the calcium taken up by potato tubers or apple fruit occurs within a four- to six-week period after bloom for apple or during budding for potato. Uptake can be enhanced by applying calcium in the soluble form (i.e., calcium nitrate or calcium chloride, either of which is immediately available for uptake). With many rapidly growing crops, insoluble sources will not provide adequate calcium fertility. Disease reduction Many fungi and bacteria invade and infect plant tissue by producing enzymes that dissolve the middle lamella.

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Enzymes responsible for dissolving the middle lamella include polyglacturonases and pectolytic enzymes such as pectate transeliminase. Increasing tissue calcium content astonishingly lowers polyglacturonase and petolytic enzyme activity from plant tissue is superior to potassium in reducing the infection of the fungal pathogen Botrytis in lettuce . Increasing potassium concentration in lettuce from 1.44 to 4.89 percent did not deter Botrytis infection. However, decreasing tissue calcium concentration by half from 1.06 to 0.54 percent increased infection from a slight to moderate rating. A further decrease in calcium by one-half in the tissue (0.54 to 0.22%) resulted in severe Botrytis infection. Lesson to be learned: enhanced cell wall structural integrity supplied by calcium fertilization is important for plant health.

If you need any manufacturing formulations and production methods about

any liquid and solid calcium fertilizer,

CHEMICAL

FERTILIZERS

FORMULATIONS

ENCYCLOPEDİA

is enough.

This encyclopedia has many formulas about NPK fertilizers,NP fertilizers,liquid poliar fertilizers, powder fertilizers, granulas fertilizers, micro nutrients fertilizers,macro nutrients fertilizers,chelated fertilizers etc.

All chemical fertilizers in the encyclopedia are producible easily.You need no help and no technıcal support. The encyclopedia is enough to produce chemical fertilizers itself.

CHEMICAL

FERTILIZERS

FORMULATIONS

ENCYCLOPEDIA

is written clear and understandable.

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