After sowing of cotton, if it is cloudy and the temperature is low, it will seriously affect the normal growth and development of cotton, resulting in serious damage to cotton seedlings and death of cotton seedlings. The mortality rate of cottonseedlings is about 1.20%, and it is more than 4% in he ......

Characteristic characteristics Tree Melon is a domesticated species of forest wild fruit, perennial evergreen small tree, tree height 1.5 to 2 meters, beautiful plant type, evergreen, foliaceous, unique beauty, seed breeding, open field sowing the second year of flowering , indoor or greenhouse see ......

First, the construction of kennels Dogs can be confined to the site because they can make use of vacant rooms and barnhouses, which can be used after thorough disinfection. Because the dog has the habit of contact with the soil, the use of small groups within the cage, with semi-cemented ground, do ......

Color tofu, like traditional tofu, uses soybean as its raw material. The difference is that it adds natural vegetable juice accessories in the production to form a natural color, and it is rich in nutrients, preserves fiber in vegetables, and is beneficial to human body absorption and digestion. Th ......

Greenhouse and related equipment Inorganic glass fiber reinforced plastic greenhouse frame material has rich source of raw materials, low price, waterproof and igniting, stable quality, wind and pressure resistance, reasonable structure, easy installation, long use and no pollution, and this is al ......

The pre-breeding period is mainly based on the use of bio-feeds that are bred in ponds. In the middle and later stages, the feed is mainly used. In the later period, fresh and live feeds that are not virus-free or matured, etc., can be appropriately added and fed. The determination of the amount of ......

1. Base fertilizer application Base fertilizer refers to the fertilizer applied to the field before or after planting the vegetables. For the production of pollution-free vegetables, the base fertilizer should be dominated by organic fertilizers, and appropriate amount of chemical fertilizers shoul ......

The European corn borer, Ostrinia nubilalis (Hbn.), is the most important pest in North America that severely affects the yield and quality of corn. The commercialization of transgenic Bt corn (hereinafter referred to as Bt corn) provides a new way to control corn borer damage. I. Breeding Plants o ......

The corn germination and sitting water is an effective technical measure to resist the spring drought and ensure that all seedlings and strong seedlings are sown at one time. Do a good job of corn priming water, mainly to live in the following "three levels": First, the live soaked off: c ......

First, the "four hazards" of vegetables growing in greenhouses 1. The harm of fertilizers is actually the hazard of salt accumulation. The main reason is that partial application of chemical fertilizers or excessive fertilization will cause soil salinization. In addition, the application ......