In recent years, the obstacles to replanting ginger fields have been prominent, and the number of soil-borne pathogens has increased year by year, resulting in the frequent occurrence of rhizome diseases and root knot nematodes, and the yield and quality of ginger have been greatly affected. After the ginger is harvested, clean the garden and fumigate the ground immediately. At this time, the ground temperature is guaranteed and the soil moisture is more suitable to ensure a better fumigation effect. The production practice has proved that the method has significant effects on preventing pests and increasing production.
The technical points of Jiangtian Qingyuan smoked land are as follows: After the ginger is harvested, the stubble, fallen leaves and waste mulch film in the ginger field are removed from the plot, and the plot is ploughed with a rotary tiller, and then rake leveled to make 50~70. Cm wide border noodles. Choose a white mulch film with high light transmittance and strong aging resistance to cover the border surface one by one, with tight pressure around it, to increase the ground temperature and prevent the evaporation of the liquid. The medicament can choose the soil fumigant of methamphetamine, the dosage is 60~75 kg per mu. Combine watering at one end of the border, and use the water to flush the ground with a hundred acres of medicinal solution. The fumigation is appropriate for about 25 days, and then the film can be removed and aired.
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