8 measures to increase the potential for soybean seed production:
1. Select varieties according to climatic conditions and ecological characteristics. Normal maturity before frost is an important basis for selecting varieties, and it is also a prerequisite for high yield and quality. The maturity period is too late, it is easy to be frosted, and it is not allowed to plant in the area; the maturity period is too early, the accumulated temperature is wasted, it is easy to cause fried pods, and it is forbidden to plant early maturing varieties. At the same location, the sunny slopes and the hills are better than the shady slopes and the depressions. Special attention should be paid when selecting varieties. The varieties cultivated by breeding units in ecologically similar areas are easy to succeed and have low risks.
2. Appropriate early broadcast. Sowing is too early and too late to be vulnerable to night creams and early frosts. According to the test and experience over the years, the fourth accumulated temperature zone is suitable around May 6th, and the fifth accumulated temperature zone is suitable around May 12. The sixth accumulated temperature zone is suitable around May 18. Emphasize early broadcast and precision on demand during the appropriate period.
3. Reasonable close planting. Do not blindly expand the broadcast. Caused a serious downturn, resulting in a substantial reduction in production. Three cultivations of ridges, 30 to 350,000 plants per hectare, printing, 65, 70 cm ridges, the number of grains between rice is 24 to 27, 25 to 3O, 27 to 32, respectively; 45 cm small ridges, hectares 4 M ^ H45 Million plants, the number of grains between rice is 24 to 26; 9O cm large ridges, 4 rows on the ridge, 40 to 450,000 plants per hectare, rice grains 47 to 53, 130 cm large ridges, ridges 6 rows, 40 to 450,000 plants per hectare, and 68 to 76 grains per meter.
4. Apply less or no nitrogen fertilizer and increase phosphorus and potassium fertilizer. It is necessary to prevent the maturity period from being delayed and prolonged. Generally, the fertility of the soil is 100-150 kg of diammonium phosphate and 30 kg of potassium fertilizer, and the fertilizer can be added with 10-20 kg of urea.
5. Weed control. The combination of mechanical, chemical and manual shovel should be adopted to prevent weeds. When spraying herbicides, the dosage must be appropriate. Avoid excessive blind application to avoid loss.
6. Promote precocious measures. At the beginning of flowering pods, spraying potassium dihydrogen phosphate should be carried out according to the growth of soybeans. Generally, soybeans can be matured for 2-3 days early, which has the functions of increasing grain weight and grain maturity, increasing yield and income, and is a labor saving effect. Measures.
7. Rotation. Corn, wheat and other alfalfa are good foreseeing soybeans and a good way to increase soybean yield.
8. Effective measures to mitigate the adverse effects of re-visiting. When it is not possible to change crops, emphasize seed coating, increase phosphorus and potassium fertilizer, and apply agricultural fertilizer. Frequent replacement of varieties, mixed with rhizobial agents, deep loose soil preparation, intensive cultivation, prevention of pests and diseases and other measures to increase production.
About high speed Door Accessories:
1.Driving system: High Speed Door Servo System motor and control, motor SNMA / SEJ +reducer+flang+encoder+control box
2.Other accessories: Middle aluminium bar, bottom aluminium bar, aluminium vertical track, stainless steel vertical track, brushes,round nylon strip, PVC roll, rolling steel tube complete, drum be;;s for rolling tube, side end covers, stainless steel cover, steel tubes, air bag sensor system, safety light beam, Microwave sensor 24 Gigahertz,PVC welding machine, smoke and fire sensors, PVC transparent window, magnetic loop, photocell, remote control, manual push button, sound warning alarm Led lamp traffic light
For some main accessories, here is detain introduction:
1).24G radar sensor:
Brand: Hofic
Technology: Microwave processor
Maintain time: 0.5s
Protection: IP54
Transmitting frequency: 24.125GHz
Maximum installation height: <5meter
Transmitting power density: <5mw/cm2
Power consumption: <1W(VA)
Installation angle: 0-90°(lengthways) -30-30°(crosswise)
Supply voltage: AC&DC 12V-30V
2).Photocell:
Approval CE & ISO9001
Power supply AC/DC 12-30V
Static current 25A
Action current 40mA
Mounting distance Max 10m
NO or NC contact Done by NO./NC. contact selection
Working environment temperature -42℃ to +45℃
Working environment humidity 10 to 90%RH
Appearance dimensions( controller) 123*50*32mm(L*W*H)
Appearance dimensions(Magic eye head) 19*13mm(L*D)
3). Remote control
Operating Voltage: AC220V/50HZ+-20%
Transmit power:≤100mW;Super regenerative module, strong anti-interference
Operating temperature:-30℃-+70℃
Working frequency: 433MHZ;transmitter 1527, millions of encoding chip
Accept sensitivity:≤110dB
Manipulation method: electric remote control
Configure the quantity: Wireless number; factory configuration transmitter two. Can be equipped with PT2272 digital decoder chip
Configure the function: Up, down, stop, anti-lock full-featured reproduction
4). Magnetic loop
Voltage: 12V AC/DC +-10% 24V 115V AC+-10% 230V
Power: <2VA
Continued electrical output: 7A / 250V AC
Frequency range: 20 to 200K Hz
Response time: infinity (factory setting) or adjust maintain time
Sensitivity: 0.01% to 0.1% divided into 3 levels
Protection level: IP30
Electromagnetic compatibility (EMC) Complies with EM50081-1 and EN50082-2
Detection loop inductance: the limit of 40uH to 100uH ideal value 80uH to 300uH
Operating temperature: -25 ℃ to 70 ℃
Storage temperature: -40 ℃ to 85 ℃
Relative humidity: <90% non-condensing
Temperature compensation: automatic compensation up to 50 ℃ / h
Connection type: 11 pin DIN rail socket
Dimensions: 41 * 78 * 85 mm (width * height * length)
Weight: 250 grams
5). manual push button
This exit switch button is made of ABS and has built-in indicator light make it looks more elegant and fashionbale. It can be widely used in public entrance gates, public door, home, office, hotel, etc.
Door Exit Button Push To Exit Switch Door Opener For Access Control Security
Main Feature
Fashionable appearance
Made of ABS Plastic
Easy to install and operate
Used for access control
Specification
Mechanical Life: 500,000 test
Material: Plastic
6). Limit switch encoder
Voltage: DC5V-24V
Output voltage: high voltage≥85%Vcc, low voltage≤0.5V
Maximum mechanical speed:6000rpm
Anti-vibration: 50m/s,10-200HZ,XYZeach way 2 times.
Current consumption:≤30mA
Response frequency: 0-100KHZ
Protection: waterproof,oil proof,dust prevention, IP54
The output code system: binary code
Operating life: MTBF≥30000(+25℃,2000rpm)
Rotational inertia:4.0x10-8kgm²
Maximum load:radial direction20N
Axial direction:10N
Weight: about 0.4kg
High Speed Door Accessories,High Speed Door,Electronic High Speed Door Accessories
Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hfgaragedoor.com