Bullfrogs have a certain range of suitable nutrient requirements for feed, that is, the content of various nutrients in the feed must be properly balanced to benefit the growth and development of bullfrogs. Bullfrogs have different nutrient requirements after they become frogs and become frogs…

Agaricus bisporus mycelia can be covered with soil when the full material layer is close to the bottom of the bed. The paddy soil and peat soil are mixed and covered at one time, and the thickness of the soil is preferably 3.5-4 cm. The covering m…

1. Deep tillage and ridge

Planting sweet potatoes requires deep and loose soil layers. It is good to plough the farmer's fertilizer, and the farmer's fertilizer is 2800-3000. Ridge cultivation can deepen the tillage to promote root…

The Shannong N02, a new strain of high-quality cotton that is resistant to disease and salt, has been successfully cultivated at Shandong Agricultural University. Recently, it passed the acceptance test of the Chengdu Institute of Agricultural Sciences, China Agricultural University and the Mi…

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Timely harvesting is a measure to increase production without any additional input, but different crops have their own suitable harvesting periods. Harvesting within the appropriate period can yield high yield and quality. Maize corn is harvested at the ripening stage. At this point, the leave…

Institute of Medicinal Plants, Chinese Academy of Medical Sciences Cheng Huizhen (Beijing, 100094) China Union Medical College. I. Occurrence characteristics of pests and diseases of medicinal plants The occurrence, development and prevalence of plant diseases and insect pests depends on the h…

Identification of rice varieties usually uses field identification and indoor identification combined with field surveys. (a) The main contents of the field survey field identification are purity, ripening period and main characteristics. The intrinsic characteristics of rice varieties (combin…

The technology of mechanically processing and microbial fermentation of crop stalks and storing them in certain facilities is called straw microbial storage and mechanization technology (hereinafter referred to as micro storage). Straw micro-storage is odor-flavored, and the palatability of li…

Before adding antifreeze, remove the scale of the cooling system and drain the residual water to avoid dilution of the antifreeze and reduce the freezing point of the antifreeze. Antifreeze can only be added to 93% to 95% of the …

1. It is not suitable to apply too much chlorine-containing fertilizer

Potatoes should not be applied with too much chlorine-containing fertilizers. When the concentration reaches a certain level in the current period, it will be toxic to th…

First, the nutritional value of apricot juice apricot fruit nutritional value is extremely high, rich in protein, mineral elements, vitamins and amino acids. As determined by the China Food Testing Center, the apricot meat contains 10% fructose, 2.04% organic acids, and 18 proteins; it contain…