Category: 202003
Phyllostachys philoxeroides
March 14, 2020

The scientific name Hydrellia philippina Ferino is Diptera, Hymenoptera. The waterfloat is a general name for the damage of rice waterflies. In addition to the oriental eyed waterflies, there are many species such as the gray-horned waterflies and .......

June 07, 2009 meat donkey market latest meat donkey prices
March 14, 2020

June 07, 2009 meat donkey market latest meat donkey prices

Purebred donkey Price: 5000-6500 yuan Texas donkey Price: 2100-4200 yuan pregnant female donkey Price: 4-6-4580 yuan of pregnancy 4-6 months young donkey price, donkey, small donkey Price: 1 meter -.......

Characteristics of llama feeding
March 14, 2020

1. Easily reared and cared for, not susceptible to fleas susceptible to flock, has a good ability to adapt to the environment.

2. It has resistance to rotten feet and regulates the wet environment.

3. Do not suffer from lice parasites, not afraid of green head big fly bites.

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Why don't tomato color
March 13, 2020

Experts answer: If the planting density is too high, it will cause mutual shade between plants, so that the fruit can not get enough light, resulting in poor fruit coloring. Therefore, the planting density should be controlled. The light transmittance of the film can also affect the light. It .......

Crop pest hunting method
March 10, 2020

Light trapping and killing of most of the pest's optic nerves are particularly sensitive to ultraviolet rays with a wavelength of 330 to 400 nanometers, and have a strong phototaxis, which has a good trapping effect and can be used to trap and kill a variety of pests. Blacklight trapping t.......

Fertilization Principle of High Yield of Rare Earth Soybean
March 06, 2020

Soybeans are one of the crops that require more fertilizer. Fertilization plays an important role in the high quality and high yield of soybeans. Therefore, fertilizer should be comprehensively considered according to the characteristics of its varieties, soil fertility and cultivation mea.......

Reasons and Emergency Measures of "Speeding" in Diesel Engine
March 03, 2020

Diesel engine "speed" has two kinds of performance: one is after the cold car starts, the engine's speed increases sharply, but after a few seconds the speed can be stable, called start "speed"; the other is in the hot car During the work, the engine speed suddenly lost.......

Causes of corn white seedlings and control measures
March 02, 2020

In the corn field, white seedlings often appear at seedling stage, which is caused by zinc deficiency. Generally from the 4 leaf stage, the leaf color at the base of the new leaf becomes pale yellowish-white. At the 5-6 leaf stage, yellowish and light green stripes appear between the 1st and 3.......