Abrasion resistance;
Impact resistance;
Easy to clean
Long serving life.
PRESSURE REQUIRED:
D.
(inch/mm)
Working Pressure
(Bar / Psi)
Burst Pressure
(Bar /Psi)
1-1/4``
32
8 upto25
120 upto365
24 upto 75
350 upto1090
1-1/2``
38
8 upto25
120 upto365
24 upto 75
350 upto1090
1-3/4``
45
8 upto25
120 upto365
24 upto 75
350 upto1090
2``
52
8 upto25
120 upto365
24 upto 75
350 upto1090
2-1/2``
64
8 upto25
120 upto365
24 upto 75
350 upto1090
2-3/4`
70
8 upto25
120 upto365
24 upto 75
350 upto1090
3``
75
8 upto25
120 upto365
24 upto 75
350 upto1090
4``
102
8 upto16
120 upto235
24 upto 48
350 upto 700
5``
127
8 upto16
120 upto190
24 upto 39
350 upto 570
6``
152
8 upto16
120 upto190
24 upto 39
350 upto 570
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First, choose the varieties of Shandong large leaf parsley and other plants higher, long growth period, high yield varieties.
Second, the fine soil preparation, full-root fertility coriander thick, suitable for loose fertile soil, soil preparation when plowing 25 centimeters deep, at the same time per acre Shi fermented organic fertilizer 4,000 to 5,000 kilograms, 耙 耙 , , ,, 畦 畦, 畦 畦 size It depends on the convenience of operation and the plots.
Third, fine sowing to ensure that the whole seedlings
1. Pre-seeding seed treatment: The coriander seeds are double-hanging fruit, and the seeds must be split before sowing. Since parsley is a cool and cool crop, sowing in summer must be carried out with low-temperature soaking and germination to facilitate emergence of seedlings. Seeds can be soaked with fresh water for 24 hours to fully inhale the seeds. Then wash the filter dry in a wet cloth bag and put it in the refrigerator at 8 to 10°C. Under conditions, germination for 5 to 7 days, until 30% of the seed can be sown. Unconditional wet cloth bags can also be hoisted to the depth of 20 to 30 cm above the surface of deep wells. This can also be achieved.
2. Seeding: As the coriander seeds are small, they can be sown with fine sand. Before sowing, the bottom of the plant should be poured with water. About 1.5 kg per mu should be planted. Seeds should be covered with fine soil after sowing, and the cover soil should not be too thick. Sparsely covered with straw, generally weeds such as grass, so as not to clump weeds.
4. After covering the shade nets, immediately erect a scaffolding 80 to 100 centimeters high. The shed is covered with a shade net. This will not only cool the shade, but also prevent rainstorms. During the period of coverage, it is not necessary to uncover the net whether it is sunny, rainy or even cloudy.
Fifth, strengthen the growth period management After the emergence of seedlings in a timely manner to remove the covering. Seedling fertilizer and water management, in principle, no drought or not pouring, less early pre-casting, late pouring, fertilizer-based nitrogen fertilizer, available urea, defecation water with water flushing. In addition, it can be sprayed once every 7-10 days with foliar fertilizer to promote growth and increase yield.
Sixth, timely harvest after emergence of 30 to 40 days, when the plant height of 15 to 20 cm can be pulled between harvesting and harvesting, each harvest should be topdressing 1 times. In the 10-15 days before harvesting, gibberellin combined with foliar fertilizer was sprayed together to increase the yield.
Shady net cultivation technology of summer parsley
The coriander, also known as wolfberry, citron, eucalyptus, is a 1-2 year old vegetable of the genus Umbelliferae. It has a special fragrance. The seeds can be extracted with aromatic oils, and the young leaves and petioles and tender stems are provided for human consumption. Seasoning vegetables. Coriander is a cool and cold climate that is cold and not heat-resistant. It is suitable for cultivation in spring and late autumn. It has high temperatures in summer and autumn, and it is rainy. It is difficult to cultivate, and its yield is very low. Therefore, cultivation is rare everywhere and the price is extremely high. The use of shade net covering cultivation can effectively alleviate the unfavorable factors brought about by high temperature and strong light, greatly improve the growth environment of coriander, significantly increase the yield and increase the economic benefits, and the yield per mu can reach 750-1000 kg.