For plots intended to grow eggplant , pepper, cabbage, radish, kale, cabbage, if used before, imidazolium nicotinic acid must be planted at intervals of 40 months; used chlorsulfuron-methyl must be planted at intervals of 36 months; Long, the active ingredient per hectare is more than 60 grams, that is, 4% nicosulfuron is more than 100 ml per mu, and must be planted at intervals of 18 months; used oxasulfuron, the active ingredient per hectare is 48-60 grams, ie 80% sulfasalizate 3.2-4 grams per mu, must be planted at intervals of 26 months; used flufenacetate, 375 grams of active ingredient per hectare, ie 25% sulfamethoxazole 100 ml per mu, must be separated 18 months of planting; used metsulfuron-methyl, the active ingredient per hectare is more than 7.5 grams, must be planted at intervals of 24 months; used isoxazolone, the active ingredient per hectare is more than 71 grams, must be planted at intervals of 18 months Used simazine, the active ingredient per hectare is more than 2.24 kilograms, that is, 50% simazine is more than 300 grams per acre, and must be planted at intervals of 24 months; after using atrazine, the active ingredient per hectare is more than two kilograms. That is, 38% of atrazine is used in an amount of more than 350 ml per mu.
In addition, the former sputum used quinclorac, the effective ingredient per hectare is 106-177 grams, must be separated by 24 months to grow pepper, eggplant, radish; the former sputum used oxazinone , the active ingredient per hectare is 350-700 grams That is, 70% of oxazinone is 33-67 grams per acre, and radish must be separated by 18 months.
For the plots where the potato is intended to be planted, the former sputum should be planted at intervals of 36 months; the chlorsulfuron should be planted at intervals of 40 months; the nicosulfuron is used, and the amount of the active ingredient is more than 60 grams per hectare. , that is, 4% nicosulfuron is more than 100 ml per mu, and must be planted at intervals of 18 months; used oxasulfuron, the active ingredient per hectare is 48-60 g, that is, 80% sulfasalazine per acre 3.2 -4g, must be planted at intervals of 12 months; used flufenacetate, 375 grams of active ingredient per hectare, ie 25% sulfamethoxazole 100 ml per mu, must be planted at intervals of 24 months; used metsulfuron-methyl The active ingredient per hectare is more than 7.5 grams and must be planted at intervals of 34 months. The used active ingredient of simazine is more than 2.24 kilograms per hectare, that is, 50% simazine is more than 300 grams per acre, and must be planted at intervals of 24 months. Used atrazine, the active ingredient per hectare is more than two kilograms, that is, 38% atrazine is more than 350 ml per acre, and must be planted at intervals of 24 months; chlorsulfuron is used, and the active ingredient per hectare is 15 grams. Planted at intervals of 24 months; used quinclorac, per hectare The active ingredient is 106-177 grams and must be planted at intervals of 24 months.
Comparison of the advantages of mini Led Wall Pack Light
As a light-emitting device, the reason why it has attracted much attention is that it is superior to other light-emitting devices. It has the following advantages:
(1) Long working life: led mini wallpack light, as a conductor solid-state light-emitting device, has a longer working life than other light-emitting devices. Its brightness half-life can usually reach 100,000 hours. If LED is used to replace traditional car lights, its lifespan will be much longer than that of the car itself, and it has the characteristics of no need to repair and replace it for life.
(2) Low power consumption: led mini wallpack light is a low-voltage working device, so under the same brightness, the power consumption is small, which can greatly reduce energy consumption. On the contrary, with the development of technology and materials in the future, it will have higher luminous efficiency.
(3) Fast response time: Generally, it can respond within tens of milliseconds (ns), so it is a kind of telling device, which is also beyond the reach of other light sources. The use of LED to make the high-position brake light of the car greatly improves the safety of the car at high speed.
(4) Small size, light weight, and resistance to resistance: This is the inherent characteristic of semiconductor solid-state devices.
(5) Easy dimming, color matching, and high controllability: As a light-emitting device, the brightness can be controlled by the change of the flowing current, and the color change and adjustment can also be realized by the configuration of LEDs with different wavelengths. Therefore, the light source or display screen composed of LED is easy to meet the needs of various applications through electronic control, and it is extremely difficult to be compatible with IC computers. In addition, the application of LED light source is not subject to smell in principle, and it has strong plasticity and can be extended arbitrarily to realize building block assembly. The current large-screen color display is none other than LED.
(6) The light source does not have environmental pollutants such as mercury and lead, and will not pollute the environment. Therefore, it is well-deserved to call LED light sources a "green" light source.
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