How is broccoli planted? Broccoli greenhouse cultivation technology

How is broccoli planted? Broccoli, also known as green cauliflower, is a 1-2 year old herb, known as the “vegetable crown”. It is one of the common vegetables on our table. For the loyal fans of crop broccoli, simply talk about the broccoli greenhouse. Planting technology, I hope to help everyone.

西兰花如何种植?西兰花大棚种植技术

First, sowing seedlings

1, variety selection

Plants with strong growth potential, dark green leaves, many waxy flowers, tight flower buds, small buds and large balls, such as Oriental Green Treasure, Jade Crown, Green, and Green, early-maturing varieties, Green Ridge, Green Show, Oriental Green Ying and so on;

In order to improve the efficiency of broccoli planting, attention should be paid to the combination of early, mid-late and late-maturing varieties.

2, finishing the seedbed

Choose high terrain, fertile soil, convenient drainage, and there is no sand-sanded soil of cabbage and cabbage vegetables.

3. Fertilize before sowing

15-20kg of composted compost is applied 1m2 before sowing;

Ditch the trench with a net surface of 1.5 m, the width of the trench is 40 cm, and the surface is flattened.

西兰花如何种植?西兰花大棚种植技术

4, planting time

Sowing from late July to early August.

5, seeding management

Pour the bottom water before planting to prevent underground pests;

When planting, use 25% carbendazim 20g for fine soil 1.5-2kg per 1m2;

After planting the soil, cover the shade net.

Second, Daejeon Management

1. Preparation before planting

Daejeon selection requirements

High-lying, fertile soil or sandy loam.

Fertilizer base fertilizer before transplanting

Each mu of land is applied with 2000 kg of decomposed organic fertilizer, 40-45 kg of high-concentration compound fertilizer, and 1-1.5 kg of borax as base fertilizer.

西兰花如何种植?西兰花大棚种植技术

Underground pest control

Use 90% crystal trichlorfon to spread underground pests per acre.

Digging trench

Ditch requirements: 畦 width 1.6m, groove width 30-40cm.

2. Reasonable close planting

Plant planting density

Transplanted in a combination of 60cm x 40 cm rice, planting 2700-3000 plants per mu.

Post-plant management

After transplanting and planting, pour enough water, water once every 7-10 days, and cover the soil in time.

3. Intermediate fertilization

In addition to the base fertilizer, Daejeon also has to topdress three times, as follows:

The first top dressing: 5-7 days after planting, the seedling fertilizer is applied, and 10 kg of urea is applied per mu.

The second top dressing: when the plant leaf age is 12-13 sheets, the leaf cluster fertilizer is applied, and the urea per acre is 15kg.

The third top dressing: in the current bud, 25kg of high-concentration compound fertilizer and 10kg of urea per acre.

4. Disease prevention and control

Control broccoli black root disease, use 25% carbendazim, 70% thiophanate-methyl for root irrigation in the event of disease.

The insect pests are mainly cabbage caterpillars, and the first and second instar larvae are controlled by using 160 million units of sharp star wettable powder 500 times per acre.

Beet armyworm and Spodoptera litura use high-efficiency and low-toxic pesticides such as depletion and beauty.

5. Timely pruning

Before and after the bud, the side branches below the main stem were removed in time, and the main flower ball was harvested immediately after harvesting, and the side flower ball was harvested.

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