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Cheap Plastic 15 Gallon Nursery Pots Suppliers USA


The epidermis at the base of the young stem has hardened(deep cell plug trays). When there is too much rainfall or watering, the inner part of the young stem grows fast and produces swelling pressure, and the outer hardened epidermis produces wall pressure inward. Because the swelling pressure is greater than the wall pressure, the base of the young stem cracks longitudinally(128 cell trays bulk). This phenomenon is common in the cultivation of spring lettuce with more rain.


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However, in the later stage of stem hypertrophy, especially near the harvest stage, because of too much water or continuous heavy rain, longitudinal cracks often appear at the base of the stem(72 cell trays). At the same time, under the condition of high humidity, it is suitable for the propagation and spread of pathogenic bacteria, 2500-3000 kg per mu, so it is easy to get sick(72 cell plug trays supplier). It can enlarge and enrich the leaf area, and prepare for the accumulation of nutrients in the stem.


(cheap plastic 15 gallon nursery pots suppliers usa)It was necessary to apply fertilizer frequently, especially to increase the available nitrogen and potassium fertilizer(72 cell trays bulk). 15kg urea or 20kg ammonium sulfate and 20kg potassium sulfate were applied per mu. If conditions permit, it was possible to apply 1-2 times of fecal water, 1000-1500kg each time(v10 plastic pots). When lettuce enters the stem hypertrophy stage, it needs sufficient nitrogen fertilizer and water to promote the rapid hypertrophy of the young stem.


When entering the lotus sitting stage, the number of leaves increased significantly(plastic seed trays). At this time, it is also a critical period of water demand. The stems are green, the leaves are green, the growth is good, and the yield is high. In the early stage of the next year, the winter lettuce should be watered strictly and timely(1 gallon nursery pots wholesale). During harvesting of overwintering lettuce, the serious wounds caused the occurrence of soft rot and Sclerotinia and turned to dark brown.(cheap plastic 15 gallon nursery pots suppliers usa)


It is not allowed to dry the soil(plastic garden pots). Otherwise, if the lettuce stem is watered suddenly, it will crack due to rapid water absorption and expansion, and it can not be watered too early. If it is watered too early, it is easy to make the leaves grow in vain and the young leaves grow not robust. Therefore, water less, water evenly, to prevent lettuce cracks(11cm plastic plant pots). Water should be controlled near the harvest time, and harvest in time in case of rainfall. Be diligent in giving, do not be late.


(cheap plastic 15 gallon nursery pots suppliers usa)When the heart leaf and lotus sitting leaf were flat, the stem of lettuce was enlarged and accelerated(large plastic planters cheap). For this purpose, every 15-20 days, 1500 times of Dikang biological bacteria solution or 300 times of Genbao biological bacteria solution shall be applied to the root, 3-5 times in a row, evenly in the soil around the root of Allium mongolicum(128 cell seed trays wholesale). In this way, the shallot will not be damaged by root rot, grey mould, soft rot and root nematode, and will not die of rotten roots. 


However, it is often found that there are many cracks in the stem, which affect the commercial quality(plastic flower pots wholesale). If autumn lettuce does not grow well in the early stage of drought, it is easy to cause this situation in the later stage of sudden rainfall or artificial large-scale water application(20 gallon nursery pots wholesale). After the stem of lettuce splits, it is difficult to take radical measures, mainly preventive measures. This phenomenon is mainly caused by weather or management reasons.


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