Potassium Nutrition In Citrus

Potassium nitrate ultrasol k plus and ultrasol k plus acid.

Potassium nutrition in citrus. Constant concentration of 200ppm in the irrigation water. Smaller fruit increased peel thickness creasing splitting. Potassium k is one of the most important nutrients applied as fertilizer in florida citrus groves. Citrus fruit takes up more potassium than any other nutrient.

Rates of 0 8 1 4 lb k 2 o tree are generally applied in 3 5 splits during the growing season. Potassium also called potash is listed on the fertilizer label as k 2 o. Citrus growers strive to achieve are yield increases from more fruit weight per ha more fruits per tree and larger fruits. Start your annual grove nutritional program out right by applying 200 300 lbs yaramila 15 15 15 acre according to soil test for a balanced nitrogen approach by supplying both nitrate and ammoniacal nitrogen along with fully available phosphate potassium and sulfur in a homogenous prill.

The k requirement of citrus is often not as easily determined as that of the n because citrus can be grown within a wide range of k without showing visible symptoms and influence on vegetative growth. Quality improvement by increased brix tss acidity vitamin c less peel defects increased peel thickness reduced granulation and better colour and by reducing crop losses by increasing disease resistance. Multi k potassium nitrate increases k content in citrus leaves under saline conditions. In this article the history of knowledge about citrus fruit is reviewed and current research is described.

Some fruit disorders are likely to occur under low potassium conditions or high n k rations resulting in less marketable fruit. Application rates can be calculated based upon leaf or soil analysis the latter being most commonly used. Also k is. Citrus fruits contain carbohydrate fibre vitamin c potassium folate calcium thiamin niacin vitamin b 6 phosphorus magnesium copper riboflavin pantothenic acid and a variety of phytochemicals.

Potassium plays a key nutritional role in determining yield fruit size and quality. The sandy soils used to produce citrus in florida are naturally low in k.