The hybrid small cultivars cultivated by Guangdong and Guangxi, suitable for four season cultivation, and resistant to heat and humidity are selected.

1 Seeding

1.1 Seedling tray preparation

A 37cm × 25cm × 7cm flat bottom watertight plastic tray is used for seedling cultivation. The seedling tray * is blue or black.

1.2 Nursery substrate preparation

Sponge blocks are generally used to raise seedlings. Cut the sponge to 29cm ×

20cm × 2.5cm, which is slightly smaller than the size of the seedling tray, and then cut into 2.5cm × 2.5cm small pieces. The “ten” -shaped incision in the middle of the small sponge is about 2/3 of the depth of the sponge. Each sponge grows 96 Strain.

1.3 Seeding

Soak the sponge block first, wet the cabbage and cabbage seeds with a small toothpick and stick 2-3 seeds in the cross cut of the sponge block, then add water to the seedling tray with a water depth of about 1 cm. After sowing, stack the seedling trays in a cool and ventilated place, pay attention to maintaining the humidity on the surface of the sponge. If necessary, spray water on the surface of the sponge 1-2 times a day until budding.

1.4 Seedlings and watering nutrient solution

About 5 days after sowing, the true leaves of the seedlings showed green time seedlings, and 1-2 seedlings were selected for each sponge block. In order to cultivate strong seedlings, after the true leaves turn green, the water in the seedling tray can be as dry as possible, and the prepared nutrient solution can be sprayed so that the nutrient solution can be dipped on the surface of the sponge block to promote the rapid growth of the root system. 3 days before transplanting seedlings.

2 Colonization

2.1 Preparation before planting

Prepare the cultivation bed, check whether the bed trough is leaking, and mix the nutrient solution for the circulating mixing test.

2.2 Colonization

When planting, tear the cabbage seedlings and pakchoi seedlings together with the sponge blocks from the seedling tray and insert them into the planting holes. After the planting is completed, spray the sponge blocks with water once, and then adjust the automatic liquid supply timer to start the nutrient solution. Automatic cycling. In order to ensure the whole seedlings, waterbed vegetable seedlings should be sprayed with water 2-3 times a day after 2-3 days after planting, and the water spraying should be stopped after the root system reaches the nutrient solution.

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