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Polystyrene 6 Cell Nursery Plant Trays Wholesale

Chinese cabbage has a cool climate(square grow pots). Generally, the live broadcast is mainly used, and the seeds can germinate at 4 to 35 ° C, and the suitable temperature is 18 to 22 ° C. A suitable pH is 5.5 to 7.0. It can withstand the monthly average temperature of 22-25 °C. The suitable temperature for seedling growth is 20-25 °C(72 cell propagation trays wholesale). The climate is hot. Under the condition of 3~13 °C for a long time, it can promote the flower bud differentiation of Chinese cabbage, resulting in immature pumping.

In the northern region, more cultivated Chinese cabbage is used as winter storage(cheap plastic plant pots bulk). If it is difficult to grow, it should be transplanted. In addition, at present, most of the Chinese cabbage is a hybrid generation, and the seed price is relatively expensive, and the seedling transplanting can save the seed amount. In North China, the wintering and wintering of Chinese cabbage is suitable for sowing(98 cell propagation trays wholesale). The suitable sowing period is early August. 27.5% to 40.1%, 29.19%-45.0%, 34.6% to 54.0%.

 It is advantageous to combine growth in soil relative humidity of 80% to 90% and air relative humidity of 65% to 80%(gallon pot). The site with four sides ventilation, good drainage conditions and convenient irrigation should be selected. Covered with vermiculite after sowing, covering the meteorite should not exceed the surface of the disk, and each compartment should be clearly visible. The suitable temperature for growth is 20 ~ 25 ° C(105 cell propagation trays wholesale), in order to prevent high temperature hazard, covered with sunshade net for 2 ~ 3h at noon on sunny days.

China's early spring seedling sowing period is from January to March, paying attention to heat preservation in the protected area(nursery plant pots). The germination rate should be checked before sowing, and high-quality seeds with a seed germination rate greater than 90% should be selected. Before sowing, each kilogram of seeds is mixed with 35% toxic mycorrhizal wettable powder and then sown to prevent downy mildew and black rot(128 cell propagation trays wholesale). The seeding depth is preferably 0.5-1.0 cm.

The Chinese cabbage seedlings are mostly selected from 128-well seedling trays. The ratio of Chinese cabbage seedling substrate can be as follows: peat charcoal: vermiculite 2:1 or 3:1, or peat charcoal: vermiculite: waste mushroom material 1:1:1. When the matrix is prepared, add 7kg of Longfei big ternary organic and inorganic microbial fertilizer, 100g of carbendazim WP, or 200g of 75% chlorothalonil WP, and mix the fertilizer fungicide with the matrix(large plastic terracotta pots). After use, it is very beneficial to cultivate strong seedlings.

The nutrient uptake of nitrogen, phosphorus and potassium in Chinese cabbage only accounted for 5.1%~7.8%, 3.2%~5.3% and 5.6%~7(seed starting trays).0% of the total growth during the whole growth period. During the 19 days from 31 to 50 days of sowing, the growth accelerated significantly(162 cell propagation trays wholesale). During this time, the biomass accounted for 29.2% to 39.5% of the total biomass, and the absorbed nitrogen, phosphorus and potassium nutrients accounted for the total absorption during the whole growth period.

The seedling tray is sprayed with water (water dripping from the bottom hole of the tray), the moisture content from seeding to emergence is 85% to 90% of the maximum water holding capacity(plastic plant pots wholesale suppliers), and the cotyledons are full to 2 leaves and 1 heart, and the moisture content is 75 of the maximum water holding capacity. %-80%, 3 leaves 1 heart to commercial seedlings sales, moisture content should be maintained at 70% -75%(200 cell propagation trays wholesale). It takes 1 to 2 days to spray water once. It is better to use rainproof nets. 

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