Manganese deficiency and manganese sulphate application for crops

Some crops are sensitive to manganese, such as wheat, potato, onion, spinach, apple, strawberry and so on, some other crops like maize, rye are not very sensitive to manganese.

When crops lacks of manganese, the blade will occur yellow striation, and then wither gradually.　 

Rice’s plant will be short and with less tillers, the leaves will be thin and narrow, color will turn yellow and green when lacking of manganese, and then die gradually.

Other crops will occur similar symptoms when lacking of manganese, and effects will be good if applying some manganese fertilizer.

Manganese sulfate is the most common Mn fertilizer, and is used in top application. Soaking seeds, seed dressing, soil seed manure and slightly soluble Mn fertilizer is used as base fertilizer. Thick-ness for top application is 0.05-0.1%, 0.3-0.4% for fruit trees, 0.03% for Leguminosae crops, and 0.1% for rice. When used in seeding dressing, 4g-16g manganese sulfate for every 1kg seeds are used for different crops. So does the soil seed manure.

More information about manganese sulfate, please check http://www.rqsulfates.com