Appropriate choice of spray droplets and density. Spray "Bi care," to be considered in the production of both the meteorological conditions ( such as evaporation , drift , wind ) and other effects , but also consider the sprayed droplets on the plant leaves a certain residence time in order to facilitate penetration , absorption, water power sprayer spray droplet less than 200 microns in diameter , vulnerable volatilization drift losses affect the efficacy , spray droplet diameter greater than 500 microns is difficult in plant leaves sticking , easy to tumble to the ground , reduced efficacy . Suitable spray droplet diameter of 250 microns to 400 microns , droplet density of 30 to 40 per square meter .
According spray droplet diameter and droplet spray volume density options . Using manual and motorized knapsack sprayer Mist Sprayer spray " Pitt guard " of spray volume per acre 15 kg to 20 kg of water . With a boom sprayer spray " Pitt guard " spray volume of 10 kg to 15 kg / mu ; aircraft spray volume 2 kg to 6 kg / mu , according to the characteristics of agricultural aircraft spray volume determined . Droplet spray stalk crops according to size and density to determine the amount of ejection .
Meteorological conditions . Spray "Bi protection of" optimum temperature is 13 ℃ ~ 27 ℃, relative humidity greater than 65% , wind speed is less than 4 m / s ; generally sunny 9:00 until 16:00 and night after liquid sprayer spraying operations without dew best . Temperature is too low or high temperatures slow metabolism crops under drought conditions , will reduce the "Bi care ," the absorption and conduction velocity , affect the efficacy of the play.
02
2013年8月28日星期三
Potassium permanganate do without spray pesticides
Potassium permanganate is effective against soft rot prevention sage , snapdragon , marigold soft rot . Such as high-temperature water before sowing prepreg 1 hour , remove and then add potassium permanganate 1000 times in soaking two hours , and in the seedling stage with 800 to 600 times spraying 3 to 4 times, can effectively prevent rot , and rid downy mildew .
Combat viral diseases prevention and control of plant virus diseases with potassium permanganate was significantly better than the effect of the virus A, bacteria Shenduqing other pesticides . In the early stages, with 600 to 800 times the whole plant spray , 5 to 7 days , and even spray 3 to 4 times. If using potassium permanganate and double-effect mepiquat virus K equal mix of 800 to 1000 times , better control viral diseases can not only control the spread of viral diseases , symptoms disappear and also the plants back to life , has revived role. It should be noted combat viral diseases , before the plants carried on sucking pests prevention , to prevent insect virus transmission .
Greenhouse sterilization formalin solution of potassium permanganate added formaldehyde vapor generated on mushroom inoculation box , room for disinfection , with good sterilization effect. Fumigation , per cubic meter of space loaded with 10 ml of formalin to the cup , the particles quickly added 5 g of potassium permanganate , the closed tank , fumigation chamber 4 to 6 hours. When using potassium permanganate back sprayers spray , should pay attention to dispensing constantly stir, so all dissolved drug particles , and with the distribution with the use , to prevent oxidation of waiting for a long lapse . In addition , spraying should be selected in 9:00 or 16:00 or so later proceed. 7 leaves before spraying seedlings after 5 minutes , rinse with water ; seedlings with low concentrations , the adult stage with a high concentration .
Planting soil disinfection of potassium permanganate solution dubbed 800 to 1000 times , careful spraying with spray after hand pump sprayers spraying with plastic film covering seven days , use of this drug may be effective in preventing soil for sowing plants seedling blight, stem rot disease, damping-off disease and so on.
Preparation of potassium permanganate solution to use well water , river water, tap water , etc. can , but avoid stagnant water , sewage, water , etc., otherwise it will reduce its bactericidal effect , because the reduction of potassium permanganate and organic matter reacts dioxide manganese, and lose bactericidal effect. Therefore, for external use only and can only be used with the distribution .
Combat viral diseases prevention and control of plant virus diseases with potassium permanganate was significantly better than the effect of the virus A, bacteria Shenduqing other pesticides . In the early stages, with 600 to 800 times the whole plant spray , 5 to 7 days , and even spray 3 to 4 times. If using potassium permanganate and double-effect mepiquat virus K equal mix of 800 to 1000 times , better control viral diseases can not only control the spread of viral diseases , symptoms disappear and also the plants back to life , has revived role. It should be noted combat viral diseases , before the plants carried on sucking pests prevention , to prevent insect virus transmission .
Greenhouse sterilization formalin solution of potassium permanganate added formaldehyde vapor generated on mushroom inoculation box , room for disinfection , with good sterilization effect. Fumigation , per cubic meter of space loaded with 10 ml of formalin to the cup , the particles quickly added 5 g of potassium permanganate , the closed tank , fumigation chamber 4 to 6 hours. When using potassium permanganate back sprayers spray , should pay attention to dispensing constantly stir, so all dissolved drug particles , and with the distribution with the use , to prevent oxidation of waiting for a long lapse . In addition , spraying should be selected in 9:00 or 16:00 or so later proceed. 7 leaves before spraying seedlings after 5 minutes , rinse with water ; seedlings with low concentrations , the adult stage with a high concentration .
Planting soil disinfection of potassium permanganate solution dubbed 800 to 1000 times , careful spraying with spray after hand pump sprayers spraying with plastic film covering seven days , use of this drug may be effective in preventing soil for sowing plants seedling blight, stem rot disease, damping-off disease and so on.
Preparation of potassium permanganate solution to use well water , river water, tap water , etc. can , but avoid stagnant water , sewage, water , etc., otherwise it will reduce its bactericidal effect , because the reduction of potassium permanganate and organic matter reacts dioxide manganese, and lose bactericidal effect. Therefore, for external use only and can only be used with the distribution .
2013年8月27日星期二
To buy farm machinery commissioning
Commissioning is absolutely indispensable to buy farm machinery a part of such purchase tractors, combine harvesters, farm vehicles , etc. must be commissioning . You want to start a performance check , the first consecutive start times, check the startup performance. Second, the air operation inspection, during normal working speed continuous idling more than a quarter of an hour , check whether the machine is running smoothly, without abnormal sounds, is it easy to turn off, take no black smoke and so on. After idling check with surface sealing surface for oil spills, each bearing location and transmission case if there is overheating. Three is to check the operational performance , the actual operation of the machine , check whether the operation is convenient, Guadang , direction, brake, throttle is not so that, without deviate phenomena. If you can not test drive , you can manually check the operation of the machine , check the rotating member is flexible , with or without catching phenomenon . Optional rotary tiller , to see the knife shaft is not rotating flexible, without significant axial movement , catching and abnormal sound, hanging files handy , no missing parts, no leakage , rotary cutter specifications, models is not consistent ; choose manual sprayer ( control ) is best to try on the sprayer simple as adding the water spray kits , see the spray mist nozzle spray droplet is small , uniform, does not drip , valves and joints can not " run, run, drip, leak, " and so on ; selection of high-speed operation of agricultural machinery ( thresher , grinder , etc. ) to pay special attention to the balance of the drum machine ; choose a machine with a pressure vessel ( portable power sprayer , etc. ) should pass the test, understand its ability to pump pressure reaches a predetermined value , the valve action is correct, piping and fittings for leaks and so on.
Friends of farmers in the purchase of farm machinery , the understanding of the above knowledge , through fine-tune fine -election , and make full use of the current state of agricultural machinery purchase subsidy policy , you can buy agricultural production to meet the actual needs of the farm , to get rich quick .
Friends of farmers in the purchase of farm machinery , the understanding of the above knowledge , through fine-tune fine -election , and make full use of the current state of agricultural machinery purchase subsidy policy , you can buy agricultural production to meet the actual needs of the farm , to get rich quick .
Buy agricultural reading
Agricultural machinery in agricultural production plays a huge role , assume a large number of agricultural labor, the majority of farmers and friends engaged in agricultural production indispensable tools of production , its production methods to improve and promote the development of productivity , reduce labor intensity plays positive role. With economic development , the majority of farmers and friends of agricultural machinery demand is growing. A wide range of agricultural machinery , has cultivated field operations , soil preparation, planting , harvesting , water irrigation, plant protection, agricultural and sideline products processing machinery , there are a variety of economic crops special purpose machines,weed sprayer each machine has different models, specifications , total up, there are thousands of varieties. In addition , the current overall quality of agricultural products is not optimistic , repeated fake and shoddy products , these products are not only bungled farming, Kengnonghainong , but also greatly affected the overall image and level of agricultural markets , which restricts the level of China's rural agricultural mechanization process friends and even some local farmers , but also due to the use of fake and shoddy agricultural products , resulting in personal injury . How can farmers and friends from a wide variety of species, they need to buy , affordable agricultural machinery it ?
First, before you buy familiar with equipment performance
Generally friends of farmers to purchase agricultural machinery , has used this or that experience of agricultural machinery , with a certain degree of mechanical knowledge . professional backpack sprayer Buy a new agricultural machinery , you must know that the agricultural machinery, construction, working principle , the use of operating characteristics and maintenance , storage methods . First, read the manual of the machine , and then examine the various functions were observed in kind . If you can find used this machine for insiders to help staff better. Only fully familiar with the situation of the machinery in order and the same type of agricultural machinery for comparison , selection, must not blindly listen to others legends or exaggerated sales staff to sell advertising on the casual purchase their own never used in the local nobody used agricultural machinery.
Second, according to the actual need to select the type of equipment
Select the type of equipment , the main properties of the purchase of equipment , to meet the actual needs of agricultural production . For example, the purchase of land machinery , the general region can purchase common front plow ; small slope if the job , the best you can buy both sides of a two-way front plow plowing , tilling the soil than the normal side of a chain plow ease of use, quality of operations good ; if it is used in the vegetable garden , then buy some more practical rotary tiller . Buy for irrigation pumps , the pump must meet work head (m) and flow (t / h) requirements. Head not to mention no water , not enough water to reach production needs, in line with the range of head and water , according to local water availability, power facilities, economic effects , etc., to determine centrifugal, or axial , mixed flow pumps, deep well submersible pump or a pump . In addition, select agricultural model , but also consider their affordability , the user's skill level and the number of agricultural operations and other factors . Agricultural model selection must be combined with practical, cautious and avoid blind purchase .
First, before you buy familiar with equipment performance
Generally friends of farmers to purchase agricultural machinery , has used this or that experience of agricultural machinery , with a certain degree of mechanical knowledge . professional backpack sprayer Buy a new agricultural machinery , you must know that the agricultural machinery, construction, working principle , the use of operating characteristics and maintenance , storage methods . First, read the manual of the machine , and then examine the various functions were observed in kind . If you can find used this machine for insiders to help staff better. Only fully familiar with the situation of the machinery in order and the same type of agricultural machinery for comparison , selection, must not blindly listen to others legends or exaggerated sales staff to sell advertising on the casual purchase their own never used in the local nobody used agricultural machinery.
Second, according to the actual need to select the type of equipment
Select the type of equipment , the main properties of the purchase of equipment , to meet the actual needs of agricultural production . For example, the purchase of land machinery , the general region can purchase common front plow ; small slope if the job , the best you can buy both sides of a two-way front plow plowing , tilling the soil than the normal side of a chain plow ease of use, quality of operations good ; if it is used in the vegetable garden , then buy some more practical rotary tiller . Buy for irrigation pumps , the pump must meet work head (m) and flow (t / h) requirements. Head not to mention no water , not enough water to reach production needs, in line with the range of head and water , according to local water availability, power facilities, economic effects , etc., to determine centrifugal, or axial , mixed flow pumps, deep well submersible pump or a pump . In addition, select agricultural model , but also consider their affordability , the user's skill level and the number of agricultural operations and other factors . Agricultural model selection must be combined with practical, cautious and avoid blind purchase .
2013年8月26日星期一
Greenhouse vegetable pesticide application to be especially careful
Application of pesticides talk about science, especially in winter greenhouse vegetable pesticide application especially. Otherwise, not only fail to control effect, but also prone to injury. Therefore, the application of pesticides to pay attention to ten bogey.
A pesticide preparation hanged because running water running water impurities, with its easy to plug the low pressure sprayer dispensing nozzle, while also undermine the liquid suspension to produce precipitation.
Two hanged formulated pesticides because well water well water contains minerals more, especially calcium, magnesium and more. These minerals are mixed with the liquid chemical is easy to produce, reduce the efficacy precipitate formed.
Three bogey any excess water will increase the amount of water to reduce the concentration of pesticides. Sprayed on crops, leaving only a very small amount of pesticides, not enough to kill pests, and some pesticides even completely ineffective. Excess water can also cause loss of pesticides, resulting in environmental pollution. Thus,water sprayer in the preparation of pesticides, their use according to the concentration range, strict control of the amount of water.
Four bogey free to increase the amount of pesticide production and sales of pesticides before being allowed to go through rigorous field trials, and then determine dosage, administration time, frequency of administration, the actual use of the data. Therefore, in accordance with instructions on the required amount of pesticide that can achieve the control effect, and increase the dosage not only increased investment, but also to make crops produce injury, increase the amount of pesticide residues in agricultural products, increasing environmental pollution.
Five Note unreasonable application of pesticides can increase some pesticide mixing control effect, reduce the dosage, or reach Cordyceps rid of pests or effect, and mixed use more labor. However, some pesticides can not be mixed use, such as organophosphorus pesticides in most varieties of pesticides encountered alkaline or alkaline medium will quickly decompose and failure. Mix pesticides in need, we must understand the nature of various pesticides, characteristics, to ascertain whether it can be mixed, the best guide for technicians and then mix.
A pesticide preparation hanged because running water running water impurities, with its easy to plug the low pressure sprayer dispensing nozzle, while also undermine the liquid suspension to produce precipitation.
Two hanged formulated pesticides because well water well water contains minerals more, especially calcium, magnesium and more. These minerals are mixed with the liquid chemical is easy to produce, reduce the efficacy precipitate formed.
Three bogey any excess water will increase the amount of water to reduce the concentration of pesticides. Sprayed on crops, leaving only a very small amount of pesticides, not enough to kill pests, and some pesticides even completely ineffective. Excess water can also cause loss of pesticides, resulting in environmental pollution. Thus,water sprayer in the preparation of pesticides, their use according to the concentration range, strict control of the amount of water.
Four bogey free to increase the amount of pesticide production and sales of pesticides before being allowed to go through rigorous field trials, and then determine dosage, administration time, frequency of administration, the actual use of the data. Therefore, in accordance with instructions on the required amount of pesticide that can achieve the control effect, and increase the dosage not only increased investment, but also to make crops produce injury, increase the amount of pesticide residues in agricultural products, increasing environmental pollution.
Five Note unreasonable application of pesticides can increase some pesticide mixing control effect, reduce the dosage, or reach Cordyceps rid of pests or effect, and mixed use more labor. However, some pesticides can not be mixed use, such as organophosphorus pesticides in most varieties of pesticides encountered alkaline or alkaline medium will quickly decompose and failure. Mix pesticides in need, we must understand the nature of various pesticides, characteristics, to ascertain whether it can be mixed, the best guide for technicians and then mix.
Avoid the use of pesticides seven
1 hanged well water dispensing. Well water contains more calcium, magnesium and other minerals, which react with the liquid easily precipitate, thus reducing the efficacy.
2 hanged sewage dispensing. Sewage containing impurities, after dispensing spray nozzle clog liquid sprayer, while also undermine the stability of the liquid, reduce the efficacy.
3 days temperatures rain avoid spraying. Windy spraying pesticides will drift; rain spraying, liquid rain washed easily reduced efficacy; temperatures spraying, prone to injury and poisoning. Therefore, the best time of application lies in: 8:00 to 11:00, 16:00 to 6:00. Weather permitting, the breeze when spraying.
4 avoid indiscriminate use of pesticides. Should be based on crop type, control objects and agents using the corresponding properties of different pesticides, so that the right medicine, and contraindications blindly increase the amount of pesticide, resulting in increased resistance to pests and reduce the control effect, but also prone to injury.
5, avoid spraying flowering. Spraying of crops and fruit trees in bloom, prone to injury.
6, avoid preharvest manual sprayer spraying. Since pesticide residues in crops to produce, if preharvest spraying, drug residues easily lead poisoning after eating people.
7, avoid a medicine used in conjunction. Long-term use of one or formulations of pesticides, easy to make pest control effect and reduce resistance and therefore should alternate medication.
2 hanged sewage dispensing. Sewage containing impurities, after dispensing spray nozzle clog liquid sprayer, while also undermine the stability of the liquid, reduce the efficacy.
3 days temperatures rain avoid spraying. Windy spraying pesticides will drift; rain spraying, liquid rain washed easily reduced efficacy; temperatures spraying, prone to injury and poisoning. Therefore, the best time of application lies in: 8:00 to 11:00, 16:00 to 6:00. Weather permitting, the breeze when spraying.
4 avoid indiscriminate use of pesticides. Should be based on crop type, control objects and agents using the corresponding properties of different pesticides, so that the right medicine, and contraindications blindly increase the amount of pesticide, resulting in increased resistance to pests and reduce the control effect, but also prone to injury.
5, avoid spraying flowering. Spraying of crops and fruit trees in bloom, prone to injury.
6, avoid preharvest manual sprayer spraying. Since pesticide residues in crops to produce, if preharvest spraying, drug residues easily lead poisoning after eating people.
7, avoid a medicine used in conjunction. Long-term use of one or formulations of pesticides, easy to make pest control effect and reduce resistance and therefore should alternate medication.
2013年8月25日星期日
Water mist system Scope
Water mist system can effectively extinguish these fires:
Class A: Class A fires in general are valid, and for Class A fires are generally the most difficult to extinguish the deep fire sprinklers, with its fast speed and mist shrouded endothermic cut off oxygen to the function, but also has excellent fire-extinguishing effectiveness;
Class B: Dry sump only plane fire (poolfire) valid, and whether it is plane mist oil pool fire (poolfire) or sprayer splashes (jet) burning oil fires (sprayfire) have excellent effect of extinguishing ;
Class C: water mist system can be used to power equipment, fire protection, if then by deionized water (to make a soft water), but also prevents fire when the air is humid that may arise from the free discharge phenomenon.
In addition, also be used to suppress the fire and control the fire and prevent fire spread, temperature, dust.
Water mist can not be directly applied to water occurs with explosive or harmful substances may produce a large number of materials and chemical reaction occasions, such as lithium,trigger sprayer potassium, magnesium, titanium, zirconium and uranium metal or a compound thereof. Water mist systems can not be directly applied to the case of low-temperature liquefied gas (such as liquefied natural gas).
Applicable special places
Cabin: Aircraft should avoid cabin, cargo and machinery room set up different systems of fire-fighting equipment, and inviting weight and economic investment. Also yet to consider not carrying too much water plane and the passengers will not be able to fire evacuation, fire extinguishing agents therefore need to consider the toxicity, environmental issues, equipment weight, the volume of water and the need for both A, B, C class fires.
Class A: Class A fires in general are valid, and for Class A fires are generally the most difficult to extinguish the deep fire sprinklers, with its fast speed and mist shrouded endothermic cut off oxygen to the function, but also has excellent fire-extinguishing effectiveness;
Class B: Dry sump only plane fire (poolfire) valid, and whether it is plane mist oil pool fire (poolfire) or sprayer splashes (jet) burning oil fires (sprayfire) have excellent effect of extinguishing ;
Class C: water mist system can be used to power equipment, fire protection, if then by deionized water (to make a soft water), but also prevents fire when the air is humid that may arise from the free discharge phenomenon.
In addition, also be used to suppress the fire and control the fire and prevent fire spread, temperature, dust.
Water mist can not be directly applied to water occurs with explosive or harmful substances may produce a large number of materials and chemical reaction occasions, such as lithium,trigger sprayer potassium, magnesium, titanium, zirconium and uranium metal or a compound thereof. Water mist systems can not be directly applied to the case of low-temperature liquefied gas (such as liquefied natural gas).
Applicable special places
Cabin: Aircraft should avoid cabin, cargo and machinery room set up different systems of fire-fighting equipment, and inviting weight and economic investment. Also yet to consider not carrying too much water plane and the passengers will not be able to fire evacuation, fire extinguishing agents therefore need to consider the toxicity, environmental issues, equipment weight, the volume of water and the need for both A, B, C class fires.
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