Amaranth is one of the more common vegetables in our lives, but because it tastes a bit special, some people don't like to eat leeks, but this does not affect the market demand for leeks. Moreover, with the industrialization of agricultural technology, greenhouse cultivation techniques have been widely promoted, so more and more people are beginning to use greenhouses to grow amaranth. Then, how should we plant green leeks?
1. Selecting and setting up a greenhouse
There are three aspects to be considered for planting land selection: one is to choose non-polluting planting land; the other is to plant a good environment with good drainage performance and fresh ambient air quality; and the third is to maintain high-quality land with fertile soil and drought and flood. When planting leeks, it is necessary to choose loam with convenient transportation, good drainage and watering performance, and soil with more organic matter. The transportation is convenient, which is conducive to reducing transportation time when the leeks are mature and sold to the market, and it is also convenient for planters to take care of. For the construction of the greenhouse, you can choose a specification of 4 meters wide, 40 meters high and 40 meters long.
2, variety selection
Choosing those disease-free seeds is a very important step in order to grow green and non-polluting leeks. Therefore, when selecting varieties, choose the quality of leeks with strong disease resistance, strong growth, early germination and good quality. .
3, root cultivation
At the end of April, the leeks should be harvested once. After that, the leeks should be cultivated, turned, fertilized and topdressed. When the leeks are budded, the cockroaches should be removed to accumulate nutrients. When the August is used, the fertilizer is used to raise the roots of the leeks. The first time is in mid-August, and the second time is in the late September. Fertilization can select human and animal manure, calcium phosphate, mainly human and animal dung. t/hm2 and superphosphate 750 kg/hm2 were mixed and fertilized.
4, fertilizer management
In the case of fertilization, organic fertilizer, fertilizer and micro-fertilizer should be used as the secondary fertilizer. The organic fertilizer, NPK fertilizer can be applied as a base fertilizer at one time, and then once in the harvest for four or five days. Fertilization and watering, fertilization can also be carried out with urine. Here, Xiaobian reminded that when fertilizing, do not use fertilized domestic waste and fertiliser containing nitrate fertilizer for fertilization.
5, temperature management
Amaranth can survive in winter, so it is more resistant to freezing vegetables. The average temperature is 14-20 degrees. If the temperature is below 10 degrees, the growth will be slow. When the temperature is higher than 25 degrees, it will be amaranth. Injury, so when planting amaranth, pay attention to avoid the tuyere and keep the ventilation and cooling in the greenhouse.
6. Pest control
During the planting process of leeks, gray mold may occur. When gray mold occurs, 5% of the WP can be selected from 800 to 1000 times, and 50% of the keeling WP can be selected. Spray from 1,000 to 1,500 every 10-10. Therefore, when planting, it is best to choose land with dry and well-drained land. During the growing period of amaranth, always pay attention to the temperature.
7, timely harvest
Amaranth can be harvested two or three times in the first year of planting, and can be harvested three or four times in two years. When harvesting amaranth, it is best to have a sunny morning, the temperature in the morning will be relatively low, and the leek After harvesting, put some bundles, which can prevent the rotten imagination from happening.
The above is about the method of cultivating green and pollution-free leeks in greenhouses. I hope that it will help everyone. If you are interested, you can pay attention to Huinong.com and learn more about planting.
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