Small rice leaf roller is a widespread rice pest, often occurring and causing damage during the tillering, panicle initiation, and flowering stages. Leaf rollers cause damage to rice all year round, commonly occurring in the winter-spring and summer-autumn crops. If there are no good control measures, they will cause serious damage to farmers.

Unlike other pests, rice grain smut is caused by many factors. Therefore, finding the cause and preventing rice grain smut causes many difficulties for farmers.

How many times should you fertilize rice when it has early panicles? To get big panicles and many grains, determining the right time to fertilize is very important, it determines the number of grains in the panicle. Therefore, farmers need to fertilize at the right time and in the right amount. Normally, farmers rely on the time from sowing to about 40-45 days to fertilize when it has early panicles. However, this method of determination is not accurate because the time of panicle emergence varies according to the variety, cultivation conditions and weather. Typically, in this year's Winter-Spring crop, many rice fields in the Mekong Delta are experiencing early panicle emergence. So how to determine the right time to catch panicles, as well as how to fertilize effectively? Please watch the video shared below by Manh Dan.