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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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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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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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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 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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Processing Methods and Technical Key Points for Canned Pears in Syrup
(1) Process flow: Raw material selection → raw material preparation → precooking → filling into cans → exhausting → sealing → sterilization → cooling. (2) Process key points. 1. Raw material selection: Choose varieties that are at 80% maturity, with thick flesh, small core, tender and fine texture, few stone cells, uniform fruit shape, smooth fruit surface, strong aroma, and good flavor. Such as Changba pear, white pear, Ya pear, Laiyang pear, Xuehua pear, etc. 2. Raw material preparation: Grade by fruit transverse diameter. Remove diseased, insect-damaged, moldy, and externally damaged fruit. Wash clean with water, soak in 0.1
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Detailed Explanation of Early Spring Management Measures and Technical Points for Peach Orchards
For early spring management of peach orchards, focus on ditching, supplementary fertilizing, gap filling, and applying eradication agents, which helps form strong buds and lays the foundation for high yield and quality peaches that year. 1. Clear ditches for smooth drainage. Low-lying terrain and heavy clay soil mean waterlogging damage is a major constraint on high yield and quality of peach trees. Especially since precipitation was low since the second half of last year, it is highly likely that rainfall will be excessive this year. If the ditch system in the peach orchard does not drain smoothly, severe waterlogging will damage roots and weaken tree vigor. Therefore, for the main drainage ditches and perimeter ditches of the peach orchard, labor should be organized for thorough clearing to
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Storage Methods and Technical Key Points for Queen Bees
Beekeeping operations store some spare queen bees, so that aging or injured queens can be replaced at any time, and lost queens can be replenished at any time. Queen storage methods include in-colony storage and out-of-hive storage. (1) In-colony storage Storing queen bees in mating colonies is the most convenient. When the new queen in a mating colony has been laying eggs for about one week, confine her in a rectangular iron wire queen cell cage and insert it into the brood comb of the mating colony. At the same time, introduce a mature queen cell into that colony. A similar method can also be used to store queen bees in the supers of strong colonies.
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Reindeer Raising Methods and Technical Key Points Explained
Reindeer (Kangifertarandus) belong to the order Artiodactyla, family Cervidae, and are animals native to the Arctic and subarctic regions. In our country, reindeer mainly inhabit the dense forests on the northwestern slope of the Greater Khingan Mountains, with an activity range in the area of 120°15′ to 123°35′ east longitude and 51°15′ to 53°15′ north latitude, and they have strong cold resistance. Reindeer have high economic value; their velvet antlers, hides, meat, and milk can all be utilized, and because of their peculiar appearance and docility, they also have high ornamental value in zoos. Reindeer at Harbin Zoo
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Cherry Blossom Pest Control Methods and Technical Key Points
1. Cherry blossom pests and diseases include the white peach scale (Pseudaulacaspis pentagona), various nettle moths, and the apple fruit moth (Phalera flavescens), among others. The white peach scale is mainly distributed in cherry blossom cultivation areas, occurs commonly, and is quite severe in individual fields. The damage has already caused the leaves to basically fall off, with pest populations at extremely high densities, appearing snow-white from both near and far. It is speculated that the first-instar nymph stage of the white peach scale should be around late August to early September. The first-instar nymph stage is the best time to carry out spray control. All growers should carry out coordinated prevention and control to keep the pest population base below the allowable economic level. Control method: spray during the nymph stage with Sujieke at 1000-1500
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