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Key Technical Points and Precautions for Establishing a Jujube Orchard
The jujube tree belongs to the Rhamnaceae family. It is resistant to drought and waterlogging, tolerant of saline-alkaline soils, and highly adaptable to the soil in which it is planted. However, if it is planted on plots with better soil conditions, it can grow even better. At the same time, the yield and quality of the fruit will improve accordingly, so the selection of the orchard site should also be given attention when planting jujube trees. When selecting the plot for establishment, the following important factors should be considered. First, soil texture: where conditions permit, sandy soil is best, especially "sand over gold" (about 20cm of sandy soil on the surface with red soil below
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Potato Storage Methods and Key Technical Points
Potato, also known as tater, yam, and earth apple, belongs to the Solanaceae family, and its edible organ is the underground tuber. It is rich in starch and protein, serving as both a vegetable and a staple food, and can also be used as feed; it is also a raw material for industries producing starch, alcohol, glucose, and the like. The potato originated in the high mountain regions of Peru and Chile in South America and is now widely distributed throughout the world. In some European and American countries it is mostly used as a staple food. It was introduced into China in 1650. At present, it is cultivated most extensively in the high mountain areas of the Northeast, Northwest, and Southwest. The potato prefers cool conditions and avoids high temperatures, yet it is not tolerant of severe cold or frost. In cool regions, spring planting is mostly practiced
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Key Technical Points for Pollution-Free, High-Yield Potato Cultivation
In recent years, with the adjustment of the agricultural planting structure and the development of high-yield, high-quality, high-efficiency agriculture, the potato planting area in our city has continued to increase. For this reason, the author and researchers from the Laiwu City Institute of Agricultural Sciences conducted research on pollution-free, high-yield, high-efficiency model cultivation techniques for potatoes, summarized pollution-free spring planting and autumn delayed cultivation techniques for potatoes, and successfully achieved a bumper harvest in pollution-free spring planting and autumn delayed cultivation of potatoes. The yield and efficiency increases were significant. The main techniques are summarized as follows. 1. Overview of the experimental site: Fengcheng Subdistrict, Laiwu City, Shandong Province, is an important pollution-free potato production base in central Shandong.
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Key Technical Points for Post-Flood Care of Submerged Rice
After rice is submerged, in view of the actual situation of severe damage to the root system and leaves and a serious decline in the total number of stems and tillers, measures should be taken to nourish the roots, protect the leaves and promote tillering, so as to increase the percentage of productive panicles and strive for heavier grains. 1. Make an all-out effort to drain the standing water from the fields. The standing water in the fields should be drained as early as possible, and the fields should be exposed and the seedlings hardened to improve the soil's physical and chemical properties and remove toxic substances. For fields submerged for a relatively long time, the water can be drained completely in one go during rainy weather; in hot weather with strong sunlight, dehydration should be carried out gradually, first allowing the upper part of the rice plants to emerge above the water surface, then dehydrating at night to aerate the soil, and irrigating by day and exposing at night, so as to help the rice recover its growth. 2.
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Catching Methods and Technical Key Points for River Eels
There are several methods for catching river eels in rice paddies. Before catching the eels, the water level in the paddy field can be lowered in advance to artificially create oxygen deficiency, and then new water can suddenly be added. When the river eels gather at the water inlet swimming against the current, they can be surrounded and caught with a net. Another method is to stop feeding for one day before catching; when catching, use fresh feed to lure the eels to gather at the feeding site, then set the net to surround and catch them. Finally, the pond can be drained to catch them all thoroughly, and after temporary rearing by size specification, they are ready for sale.
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Methods and Technical Key Points for Clearing and Preparing Broodstock Rearing Ponds
1. Renovating the pond: Drain the pond water, remove excess silt, level the pond bottom, repair the pond bottom walls and the water inlet and outlet, and clear tall plants from the pond bottom and edges. After exposing the pond to sunlight for several days, fill it with fresh water. 2. Common pond-clearing methods include (1) Quicklime pond clearing. One method is dry quicklime pond clearing, that is, first drain the pond water, leaving only 6-10 cm of water on the pond bottom, dig several small pits around the pond bottom, place quicklime separately into the small pits, add water to dissolve it, and before it cools, splash it evenly over the pond. On the 2nd day, an iron
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Scientific Feeding Methods and Technical Key Points for Growing Sheep
Whether the feeding of growing sheep is reasonable plays a decisive role in body conformation and growth rate. Improper feeding can cause sheep to be too fat, too thin, or experience stunted growth at a certain stage, resulting in undesirable conformations such as long legs, short body, and pendulous belly. Formula for growing sheep concentrate supplement Feed type Roughage type High-quality hay type Corn silage type Dry corn stalk type (%) (%) (%) Corn 60.00 58.50 58.50 Wheat bran 15
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Correct Methods and Technical Key Points for Castrating Sheep
Male lambs not intended for breeding should be castrated 2 to 3 weeks after birth. There are roughly 4 methods for castrating sheep: 1. Surgical removal method: during the operation, restrain the male lamb on a wooden stool in a half-lying, half-crouching position, use the left hand to push the lamb's testicles to the bottom of the scrotum, and hold a sterilized scalpel in the right hand to make an incision at the bottom of the lamb's scrotum. The incision should be long enough to allow the testicles to be squeezed out. Gently squeeze out the testicles on both sides and tear off the spermatic cord. An incision can also be made at the lower side of the lamb's scrotum. After squeezing out one testicle, cut open the scrotal septum from the inside, then squeeze
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Prevention and Treatment Methods and Technical Key Points for Sheep Stomatitis
Sheep stomatitis is inflammation of the superficial and deep tissues of the oral mucosa. During the pathological process, inflammation of the oral mucosa and gums can make it difficult for affected sheep to eat and chew, cause clear drooling, and increase pain sensitivity. Clinically, simple local inflammation and secondary systemic reactions are commonly seen. I. Causes Primary stomatitis is mostly caused by trauma. Sheep can develop the disease after eating sharp plant branches or straw that prick the oral cavity, or after contact with ammonia water, strong acids, or strong alkalis that damage the oral mucosa. When sheep suffer from contagious ecthyma, foot-and-mouth disease
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Harvesting and Processing Methods and Key Technical Points for Panax notoginseng
Harvesting can begin after three or more years of cultivation. Harvesting is divided into two periods. Panax notoginseng harvested in July to August is called "spring Panax notoginseng," and the Panax notoginseng harvested after the flower stalks are removed is the best in quality and also high in yield; Panax notoginseng harvested from December after the Start of Winter to January of the following year is called "winter Panax notoginseng," and is poorer in quality and also low in yield. After digging it up, remove the aboveground stems and wash off the soil. After cutting off the rhizome (yangchangtou), branch roots, and removing the fibrous roots, it is called "touzi." The touzi is repeatedly sun-dried and rubbed so that it becomes firm, until completely dry, and this is "maohuo." Then place the maohuo in a hemp bag
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