1、 Sowing time

According to the differences of different regions and climate, the sowing time should also be different. Here is represented by the north. In March and April, the climate is warm, and the soil layer has just passed the winter. After low-temperature sterilization, it can reduce bacteria

2、 Treated seeds

1. Soak the seeds in diluted carbendazim for one day. During this period, sieve the river sand and add carbendazim for sterilization. After soaking, remove the seeds and mix them into the screened river sand in the proportion of 1:3 of seed sand

2. Find a high leeward place and dig a square pit on the sunny side. The size is unlimited, which is determined by the number of seeds you want to urge. Add 5cm of river sand to the pit and insert a pipe for ventilation

3. Pour the mixture of the above seeds and sand into the dug pit, cover it with 5cm river sand and then cover it with soil, which is also 5cm

4. Regularly check whether the seeds sprout. Generally, if the temperature is appropriate, the seeds can be found cracking and sprouting in about ten days to half a month

3、 Seedbed making

1. Select the field soil with good fertility and turn the soil deeply before sowing, with a depth of at least 30 cm. Remove weeds, stones and other impurities. Make a seedbed with a length of 10 meters, a width of 1 meter and a height of 20 cm, with an interval of 30 cm for each ridge. The bed surface should be flat, and the difference in size and specification should not be too large. If you can't grasp it well, you can measure and scribe in advance

Choose a sunny day and disinfect the land with carbendazim, preferably five days before sowing

2. The seeds are planted on the high bed at an interval of one to two centimeters. After the seeds are sown, the soil is about two centimeters thick. Water supply can be made by spraying in the ditch between two beds, providing adorable water for seed germination and wetting the soil layer. p>

4、 Post management

1. Weeding

Weeds may appear after sowing, which shall be cleaned in time,; Even the grass can't be let go easily. Once found, it should be removed. Soil can be loosened

2. Fertilizer should be added after the seeds grow seedlings. When the seedlings grow to 5cm, the fertilizer should be irrigated in time