Winter rape to be remedied early

During the cold period in winter, rape is vulnerable to cold injury. The following situations often occur: 1. Lugen raises seedlings. In the winter, the water in the soil is frozen and the volume expands. The soil layer rises upward and the rapeseed roots are pulled off. The soil was frozen overnight, and the soil was subsidence. The roots of the rape were exposed or broken and the ground was laid down. 2. The leaves were frozen and showed symptoms such as leaf rigidity, shrinkage, and purple. The temperature is relatively low recently. After the rape is frozen, the following measures should be taken to remedy it as soon as possible.

1. Remedy with water. Sound ditch drought and waterlogging will inhibit the growth of rapeseed roots, affect the decomposition and absorption of fertilizers, should clear the ditch, so as to adjust the water with fertilizer, gas, and promote the recovery of frozen rape after growth.

2. Warming remedy. The cover covers the crop stalks covered with straw and other straw in a frozen rape field to increase the temperature. Conditional use 250-300 kilograms of hay per acre, evenly spread in the rapeseed line, so that the mud does not see the sky, the grass does not form a group, and then use the dredging soil when the ditch thinly spread on the dry grass to prevent blowing. The application of grass ash or coke ash in the roots of rapeseed can absorb heat and insulate and buffer the invasion of cold currents.

3. With fertilizer remedy. Timely application of paraffin fertilizer to weaker rape seedlings that have been frozen, applying wax fertilizer as soon as possible, using mainly manure and ammonium bicarbonate, and appropriately increasing potassium fertilizer. Every day, every mu Mufen Shi 500 to 750 kilograms, ammonium bicarbonate 15 to 20 kilograms, potassium chloride 5 kilograms or plant ash 50 to 75 kilograms. As a result of excessive growth of rape seedlings can not be applied nitrogen fertilizer, should be appropriate increase in phosphorus and potassium fertilizer, applied per acre 5 kg of potassium chloride or plant ash 50 to 75 kg, superphosphate 7.5 to 10 kg. The shortage of potassium should increase the amount of potash fertilizer, and promote the early recovery of rape seedlings.

Grains Powder

Fufeng Sinuote Biotechnology Co.,Ltd. , https://www.sinuotebio.com