Technology and management of artificial rearing tweezers
Sprinkler irrigation and micro-irrigation automatic control equipment With the development of economy, water resources, energy shortage and labor cost increase, more and more water-saving irrigation systems will adopt automatic control. This article focuses on the advantages and classification of automated irrigation. Irrigation System Degree Irrigation Nozzle,Irrigation for Agriculture,Impact Drive Sprinkler,Plastic Drip Irrigation Fittings JIANGSU SKYPLAN GREENHOUSE TECHNOLOGY CO.,LTD , http://www.spgreenhouse.com
1. The pond raising method is used in indoor or outdoor (outdoor shed covers to prevent rainwater) with brick pools, depending on the number of seedlings introduced, the number of seedlings is generally 560, and 1 cubic meter is required. space. The general construction pool size is 0.5 to 1 meter high and 1 to 1.5 meters wide. The length can be determined according to local conditions.
After laying the pool, the inner wall of the pool does not need to be wiped with mortar to keep the pool surface rough, which facilitates the climbing, crawling and inhabiting of the pond. The outside wall of the pool can be blocked with a small amount of mortar to prevent the lice from fleeing out of the gap. Inside the near surface of the inner surface of the pool surface, a smooth material can be set before the applied mortar is dried, and the moth can escape from the top opening. Smooth materials available glass, plastic film. The Dianchi Lake can be built into several layers of three-dimensional structures. Generally, it uses 1 to 2 layers near the ground to raise the bait (Bombyx or Tenebrio molitor, etc.). Each floor of Dianchi Lake should have a space of 20-30 cm for operation and management. The center of the pool uses bricks, stones, or tiles to make a rockery for roosters and leave enough space for roosters to inhabit. There should be a space of about 15 cm from the pool wall around the rockery to prevent the baboons from escaping through the rockery.
2. House-cultivation room-style Rafting There are many architectural styles, usually mud-houses with built-in brick slabs, which are 2 to 2.5 meters high, 4 meters long, 2.5 meters wide, and 23 to 28 centimeters thick. Lime and other triaxial soils were sealed and reinforced after being sealed. It is best to use the old adobe blanks, and leave gaps of 0.5 to 2 cm in width between the bricks. Do not wipe the mud. Do not paint the walls of the walls so that the scorpions can hide. Or use a special mold, self-made clay brick on one side of the hole, the wall of the south side can open 2 to 3 windows and a door. The top layer can be covered with thin wire mesh, and then cover the plastic film. The film must also be covered with bamboo mats or straw mats; or cover the wire mesh with oil felt to prevent intrusion of enemies and rust on the wire mesh. The base of the corner near the corner can leave some small holes leading to the outside of the floor, allowing free access to large and small scorpions. A circular protective ditch is built around 1 meter away from the house and mixed with cement, sand, lime and loess. The width and depth of each groove are 60 cm, and the inlet and outlet are 60 and 40 cm from the bottom of the groove, respectively. There is water in the ditch for a long time, which can prevent the lice from escaping and prevent ants from invading. In the house, a few strips or ring-shaped brooms should also be placed in the adobe blanks to form more crevices for the scorpion to live in, but care should be taken to keep the pedestrians aisle. In addition to drainage ditch and activity venues, some of the equipment in the venue need to be installed with equipment for driving rats and repelling birds, installing insect traps in the breeding area, and building some rubble piles on the site to form a small environment suitable for the activities of the dumplings. It is also necessary to stack some wheat straw, rice straw, and bean vines in and around the wall of the event venue, and mix it with appropriate amounts of bran, rice sugar, pigs and horse urine to make some insects eaten for feeding.
3. The traditional method of raising eggs in the hives adopts box culture (ie, placing multi-layered tiles in a smooth box). It has several fatal defects: First, pregnancies are polyculture. Group rearing, resulting in male fertility and expectant pregnancies to interfere with the birth of pregnancies, so that the pregnancies have no peace, Aberdeen can not safely absorb the metamorphosis period, and fell a large number of deaths in the mother's back; Pregnancy and mother-in-law also have a large number of stupid newborn babies, which results in a low survival rate of Aberdeen. Third, the regulation of temperature and humidity is not easy to coordinate, often resulting in high humidity brought about by high temperature (less water spray and steaming out). Seriously affecting the breeding and molting of scorpions, resulting in a large number of cubs died due to improper humidity, not licking the skin, and many breeding owners have failed to feed them. Honeycomb breeding method overcomes the above shortcomings.
In the structure of the armpit, this armpit is composed of two layers of inner and outer plates. The inner plate has a size of 60 centimeters, 21 centimeters, 4 centimeters, and is evenly distributed with 4 rows, 15 rows (60), 4 centimeters, 3 centimeters, 3 centimeters. The groove and outer plate are 60 centimeters, 21 centimeters and 2.5 centimeters in size. There are 4 rows of 15 rows (60 holes) and 1 centimeter and 1 centimeter hole evenly distributed on the outer plate. The inner and outer plates are combined to form exactly one hole and one slot (that is, a single room). Small bedroom). Eight sets of inner and outer plates are used to enclose (firstly enclose the inner plate with cement, and then use the iron card to clamp the outer plate and the inner plate together, so that the entire armpit is kept fixed in the inner plate, and the outer plate is movable Catching and management creates a honeycomb nest. From the outside, one armpit looks like a honeycomb, surrounded by eyes. When feeding, fill the hollow surrounded by the board with soil, plant flowers and plants, and then water the plant to keep the flowers green and keep the soil moist. In this way, the pregnancies are naturally divided into litters to prevent maternal feeding, which prevents them from interfering with each other, while maintaining the humidity (55% to 75%) needed for the calf's skin, making its growth and development environment closer to The natural environment greatly improves the survival rate of larvae.
The advantages are as follows:
(1) It is possible to truly control the amount of irrigation, irrigation time and irrigation cycle in a timely and appropriate manner, thereby increasing crop yield and significantly improving water utilization.
(2) Saving labor and operating expenses.
(3) The work plan can be arranged conveniently and flexibly, and the management personnel do not have to go to the field at night or other inconvenient time.
(4) Since it can increase the effective working time every day, the initial capital investment in pipelines, pumping stations, etc. can be reduced accordingly.
classification:
First, fully automated Irrigation System
The fully automated irrigation system does not require direct human involvement. The pre-programmed control procedures and certain parameters that reflect the water requirements of the crop can automatically open and close the pump for a long time and automatically irrigate in a certain order. The role of the person is simply to adjust the control program and overhaul the control equipment. In this system, in addition to emitters (heads, drip heads, etc.), pipes, fittings, pumps, and motors, it also includes central controllers, automatic valves, sensors (soil moisture sensors, temperature sensors, pressure sensors, water level sensors, and rain sensors). Etc.) and wires.
Second, semi-automatic irrigation system
In the semi-automated irrigation system, no sensors are installed in the field. The irrigation time, irrigation volume and irrigation period are controlled according to pre-programmed procedures, rather than feedback based on crop and soil moisture and meteorological conditions. The degree of automation of such systems is very different. For example, some pump stations implement automatic control, and some pump stations use manual control. Some central controllers are only one timer with simple programming function, and some systems have no central control. The controller, but only some of the sequential switching valves or volume valves are installed on each branch pipe.
Automated irrigation is the trend of the times. In the future water-saving irrigation projects, more and more automated irrigation systems will be applied.