Planting Technology Lists
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Skillful fertilization-- the principle of fertilizer use
What kinds of fertilizers are commonly used in apple orchards? The basic fertilizer of apple orchard is mainly organic fertilizer, combined with appropriate amount of nitrogen, phosphorus, potassium fertilizer and trace element fertilizer; topdressing mainly uses chemical fertilizer; when correcting element deficiency, it is necessary to apply trace element fertilizer on the basis of normal fertilization. (1) Organic fertilizer: loop compost, compost, chicken manure, human manure.
2018-07-15 -
Six kinds of fertilizers are not suitable for growing vegetables.
Seed fertilizer refers to fertilizer applied at the same time as sowing or mixed with seeds. The role of seed fertilizer is mainly to meet the nutrient needs of seedling roots, because fertilizer is near the seeds, seedling roots can quickly absorb nutrients. Planting fertilizer has a great effect on vegetable seeds, such as proper selection can ensure the smooth germination of vegetable seeds.
2018-07-15 -
Can sugarcane herbicides and insect repellents be mixed together?
First: the weed control range of the two herbicides should be different. Second: quick-acting agents should be mixed with late-acting agents, and long-acting agents should be mixed with short-acting ones. Third, the agents with high diffusivity and mobility in the soil should be mixed with those with low diffusivity and mobility. Fourth,.
2018-07-15 -
Which herbicides can be used to control weeds after garlic emergence
Garlic fields dominated by Gramineae weeds can be sprayed with 50-70 milliliters of 5% refined grass EC and 30 kg of water per mu after garlic emergence and before the 3-leaf stage of weeds. When applying the pesticide, the soil moisture should be better, and the temperature should be above 12 ℃, in order to improve the weeding effect. A mixture of Gramineae weeds, Cyperaceae weeds and broadleaf weeds.
2018-07-15 -
What kind of herbicide is good for Chinese cabbage
At present, 33% of Chinese cabbage herbicides are registered in China (100ml / mu to 150ml / mu). Soil treatment is done before emergence of Chinese cabbage after sowing or before transplanting, which can control some grasses and broad-leaved weeds. If pendimethalin is used in a large area, it is recommended to test in a small area first. Carry on the soil.
2018-07-15 -
Diagnosis and Control of Herbicide Damage
1. Soil residual pesticide damage: The cultivated land with long-term residual herbicides such as triazene, sulfonylurea and imidazolinone cannot be planted with schisandra chinensis within two years. If you do not understand the use of herbicides in the first two years of planting plots, the more serious phytotoxicity of schisandra chinensis will not be saved, because the current agricultural production is still...
2018-07-15 -
How to remedy the herbicide damage to tobacco leaves
Spraying "Tianda 2116" tobacco special type in time after the occurrence of herbicide damage by ① plays an important role in relieving or alleviating the herbicide damage. ② strengthens agricultural management, irrigation, drainage and loosening soil to promote the growth of tobacco and accelerate the degradation of herbicides. ③ can use plant ash or lime or apply plant growth.
2018-07-15 -
Possible damage of herbicides to Golf Lawn and its Prevention
The selectivity of herbicides is relative and conditional, and any herbicide may harm the lawn if it is not used properly. Symptoms and causes of drug injury herbicide drug damage can be divided into acute and chronic drug damage. The acute drug damage is caused by contact herbicide, the expression speed is fast, and the damaged lawn leaves are brown.
2018-07-15 -
Which herbicides should be used in heat preservation cultivation of vegetables
In the season of low temperature, in order to make vegetables on the market earlier and sell at a good price, in recent years, plastic film mulching is often used to increase temperature and heat preservation to promote early ripening and yield increase of vegetables. At the same time, herbicides are used to save labor and increase efficiency. However, many years of experience of chemical weeding in the film tells us that if we choose.
2018-07-15 -
Making simple flower insecticides
Flowers are infested. Some simple insecticides are effective in killing insects. 1. Take 2 grams of washing powder solution, add 500 grams of water to stir into a solution, refueling 1 drop, spray on the plant insect body, can kill aphids, scale insects, red spiders, green thorn moth, whitefly, whitefly and so on. two。 Soapy liquid takes soap and heat.
2018-07-15