Fertilization: The use of farmyard manure such as pig cow dung at the neck of vegetables can increase soil temperature in the roots. Fertilization should take place on sunny days.
Pouring feces: combined with cultivator before freezing, using crushed soil to rake the roots of soil, which is beneficial to maintain the soil temperature. The cultivating soil must be carried out before the soil is frozen. The depth of cultivating is preferably 7-10 cm.
Coverage: In the afternoon before the frost, covered with straw, straw, etc. on the dishes and vegetables.
Set wind barriers: In the north side of the vegetable ridge, make a wind barrier of 1 to 1.5 meters high, and set it every 3 to 4 times.
Irrigation: Irrigation before freezing, with the daily average temperature dropping to 2°C - 5°C; suitable for irrigation after freezing, in order to increase the maximum temperature after the cold current to 2°C - 3°C, and suitable for the thawing of soil and vegetable trees .
Manual Hydraulic Operating Table
The Operating Table use manual hydraulic control;Full set of hydraulic control system for hydraulic lock protection, low noise,high safty and reliability;This surgical table is divided into a plurality of movable segments;Operation table base with fixed or mobile, mobile and flexible, reliable fixation; The table is divided into several movable segments: head plate, back plate, seat plate, leg plate. Back plate is composed of shoulder and kidney (optional). All sections adopt transmissive X-ray material, the plate below is a cassette rail, which is used for cassette radiography.
Manual Hydraulic Operation Table,Manual Hydraulic Ot Table,Manual Hydraulic Surgery Table,Manual Hydraulic Surgical Table
Shandong Lewin Medical Equipment Co., Ltd. , https://www.lewinmed.com