This year, Lufeng County has a large area of ​​rapeseed cultivation. At present, rapeseed generally enters the initial flowering stage to the full flowering stage. This period is a key period for determining the number of pods and the number of horns in rapeseed. Strengthening the management of rapeseed is crucial for the quality and yield of rapeseed. Pay attention to the following points during cultivation:
The first is the application of flower fertilizer. The rapeseed is an infinitely inflorescence crop. It has a long flowering period and has the characteristics of side buds, flowering and pods. Flowering requires a large supply of nutrients, and appropriate amount of fertilizer can make rapeseed more flowering. Foliar spraying method can be used at 6-7 pm with 150 g of potassium dihydrogen phosphate per acre, 500 g of urea, 500 g of boron fertilizer and 75 kg of water evenly sprayed 1-2 times; the second is scientific irrigation, the flowering period of rapeseed is The period of maximum water demand in a lifetime is the same. At this time, the drought will lead to the early termination of flowering time, short inflorescence and premature senescence. Lufeng County has good rain in winter this year, which has created favorable water conditions for rapeseed flowering, but there are still some droughts in rapeseed, especially in dryland. Therefore, it is necessary to pay attention to clearing the ditch, filling the water once, and speeding the quick discharge to prevent the plant from lodging due to the slow water irrigation; the third is to strengthen the prevention and control of pests and diseases, and use 50 g of sclerotia per acre to control the bacteria with 60 kg of water. Acre with imidacloprid 30 grams of water and 60 kilograms of water to control aphids. In addition, it is recommended to remove the old yellow leaves when there are conditions, and to take off the field, improve the ventilation and light transmission conditions, reduce the infection of the bacteria, and have a better comprehensive agricultural control effect against the prevention of sclerotinia and powdery mildew. Linyi Fertilizer Network Copyright
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