1. Purify the plastic film surface and increase the light transmittance of the plastic film The key to garlic turning green is temperature. This period management is mainly to increase the temperature. Covered with mulching film, the mask on the membrane, such as leaves, completely dead garlic leaves and dust should be removed as soon as possible to purify the membrane surface, in order to increase the transparency and increase the temperature. Repair the damaged plastic film in time to increase the effect of heat preservation and temperature increase, and promote the early return of garlic to garlic.
2. The ditch and trench ditch garlic root system is not wet, encounter spring water between the fields, easy to cause rot, in case of drought will also affect the normal growth of garlic. It is necessary to open up the ditch and manage the ditch so that the water can meet the drought and irrigation. At the same time do a good job in the work of the earth.
3. Timely removal of weeds The warming of temperatures favors the growth of weeds. The growth of weeds can compete for soil nutrients and can also break through the mulch, seriously affecting garlic growth. Weeds should be promptly removed to eradicate weeds in the young period.
4. Strengthen the management of fertilizer and water management The film-covered garlic can be top-dressed at noon after being convulsed, combined with 25 kg of NPK fertilizer per acre. Do not flush with ammonium bicarbonate or urea. After irrigating, timely cultivator shall be used to raise the ground temperature and protect the roots. In case of special drought, watering can be conducted in late March. In principle, do not water it too early, otherwise it may cause disease or secondary growth of garlic. Followed by shallow sallow soil, warming and protecting. Before and after the Ching Ming Festival, if there is a yellow tip on the leaves, it is necessary to conduct the second time dressing in a timely manner and increase the number of watering in time. Generally, watering is performed once every 10 to 15 days to promote plant growth.
5. Strengthen pest control and improve resistance to garlic
Due to the influence of temperature, in order to prevent the occurrence of pests and diseases of garlic, at the end of March, after the garlic has returned to green, it will be selected in the sunny afternoon and the leaf surface shall be sprayed with 500 times solution of Tianji or 800 times of high-fat film to promote early growth of roots and prevent cold and increase the temperature. Resilience. For non-invasive patches, protective use of the drug, protective and therapeutic use of the diseased land mass, general spray of fungicide, plant growth regulators, foliar fertilizers, such as Yingtian No. 2 on the 450th liquid garlic for robust growth. Severely diseased plots prevented the early pouring of green water, depending on the weather and delaying watering time, providing a good environment for garlic root regeneration and cultivating robust plants.
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