In North China, there are three kinds of stubble: the ones with earlier stubble, such as zucchini, cucumber, potato, etc(bulk 20 gallon pots). After planting this kind of vegetables, there are more capsaicin in the soil, which can eliminate the pathogens, especially the soft rot, and reduce the disease of Chinese cabbage(injection molded nursery pots). Cruciferae is a bridge for spreading diseases and insect pests, which should not be used as a preceding crop.
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After the stubble, before planting Chinese cabbage, there is enough time to send fertilizer, plough the land of rice cake and dry the soil(gallon pot). The sowing time of Chinese cabbage covered with plastic film can be postponed for 3-5 days. This can avoid high temperature infection(2 gallon nursery pots wholesale). After a long time of rest and weathering, the soil is conducive to nutrient transformation, increasing ground temperature and reducing pests.(high quality plastic seedling trays wholesale price france)
Refers to the previous stubble is onion garlic, leek and so on(square grow pots). Fruits and vegetables and other summer vegetables can also be planted with Chinese cabbage. In the north of China, the average daily temperature from August to September is below 25 ℃, which is suitable when the temperature difference between day and night is large(14 gallon nursery pots wholesale). Chinese cabbage is a kind of crop that needs more water (2000-3000 plants per mu).
If the previous stubble is good (for example, the previous stubble is shallot, garlic and beans), deep turning over the exposed land in summer can also reduce the disease(large plastic terracotta pots). Ridge furrow irrigation can reduce soil harden, facilitate root growth(15 cell propagation trays wholesale). Before sowing, proper watering can reduce the ground temperature and local temperature, ventilation and ventilation, which is not conducive to the occurrence of virus and downy mildew.
(high quality plastic seedling trays wholesale price france)In the seedling stage of Chinese cabbage, if the rainfall is small, the five water fixed tree irrigation method is adopted (but within 24 hours after sowing, water for the first time(plastic plant trays wholesale); when a few seedlings are just unearthed, water for the second time; when the seedlings are all out, water for the third time, when the seedlings grow to the cross stage(21 cell propagation trays wholesale), water for the fourth time; when the true leaves appear about ten pieces, water again).
For example, if you plant pepper in a large area, keep away from vegetable fields such as tomatoes, melons and eggplants, so as to reduce the chance of infection(bulk 15 gallon pots). Within this limit, if the plant type is large or planted on the thin ground, it should be thinner, otherwise, it can be properly encrypted(32 cell propagation trays wholesale). During the period of onset, Bordeaux is sprayed every 7-8 days, which has preventive effect. It is easy to get sick too early or too late.
It refers to the one with high fertility(plastic plant pots wholesale suppliers). Generally, there are 1800-2000 seedlings per mu and 2400-2600 vertical heart varieties in Baotou. There are two ways of sowing: strip sowing and on-demand sowing. First, cut a shallow ditch 1 cm deep in the back of the ridge(50 cell propagation trays wholesale). After evenly spreading seeds, push once with a big hoe, and then water along the ditch to soak the back of the ridge. Do not flood with large water.(high quality plastic seedling trays wholesale price france)
This can effectively prevent the occurrence of viral diseases(cheap plastic plant pots bulk). The disease can be reduced by applying fully decomposed organic fertilizer, reasonable density, fine land preparation and timely cultivation, and timely control of aphids. If the irrigation is not timely and the soil water is insufficient(98 cell propagation trays wholesale), the lotus seed stage will lead to the occurrence of "thousand heartburn" disease, enhance plant growth and reduce incidence rate.