(a) Picking 1, pick the appropriate period: after the end of the mature silkworm cocoon clams, clams, puppies, with the development of cockroaches, the skin becomes hard, skin color deep, when the skin color is yellow for the appropriate time. The silkworm flowering period is 6-7 days after the u ---MORE---
Identification based on packaging is an important procedure for verifying the authenticity of imported accessories. The packaging of pure parts and foreign professional accessory factory accessories is beautifully produced. The colors, patterns and styles all have certain rules, which are generally ---MORE---
1, keep mushroom farm clean. Mushrooms should be thoroughly cleaned before they are cultivated, and sprayed with 800 times the solution of trichlorfon or dichlorvos evenly. Outdoor mushrooms, to remove the weeds around the cultivation site, and use 250 times the solution of trichlorfon to spray the ---MORE---
First, sexual maturity and body maturation (initial mating age) Goats grow to a certain age, the genital organs are basically fully developed and have the ability to reproduce. This period is called sexual maturity. It is the ram that begins to have normal sexual behavior, the ewe begins to appea ---MORE---
The golden thread is even known as the gold line orchid, the golden line stone pine, the black ginseng. Due to its unique efficacy, it has been popular in Fujian and Guangdong in recent years. First, the morphological characteristics. The golden thread is a perennial herb, plant height 4-10 cm, sh ---MORE---
Fermentation with fungal culture is good for feed cultivation. With the growing mushroom industry, there are many mushroom scum (generally referred to as “membraneâ€) that have been abandoned during the production process. Sub-pollution sources or the formation of a huge waste, resulting ---MORE---
Rice blast disease Symptoms China's double-cropping rice area occurs from time to time. It mainly damages the late-season rice seedlings or the stem base of adult plants. The diseased part is brown, and the surface produces white silky filamentous mycelium, and many yellow-brown micro-sclerot ---MORE---