-
Causes and Control Measures of Abnormal Leaf Color in Wheat Seedlings
After wheat is sown and emerges, various abnormal discolored seedlings often form due to the influence of natural conditions and cultivation practices. To facilitate management according to seedling condition and targeted treatment, they are described separately below. Causes of yellowing of leaves in yellow-leaf seedlings. First, soil drought. This situation mostly occurs in wheat fields with insufficient subsoil moisture or where moisture escapes through airy soil. Its characteristics are: slow tiller emergence, grayish-green leaf color, short and small central leaves, slow or stagnant growth (which farmers call "shriveled-heart seedlings"), gradual yellowing and withering of the middle and lower leaves, and few and fine roots. Key management points
-
How to Improve the Body Color of Adult Eels? A Detailed Guide to Practical Methods
Eel body color plays a decisive role in sales. Raising eels with good body color is the eager hope of all farmers and a topic that many feed manufacturers have been exploring. To solve the problem of eel body color, you must first understand the causes of eel body color and the factors that affect it. The production of eel body color: Eel body color is mainly the result of the combined action of various factors such as carotenoids, melanin, pterins and guanine. Factors affecting eel body color: 1. Oils, antioxidants
-
Golden-leaf dawn redwood is a new and superior colored-leaf tree species
Dawn redwood (Metasequoia glyptostroboides) is the only surviving species of the genus Metasequoia in the family Cupressaceae. This species was once thought to be extinct, until it was discovered in 1941 in the Lichuan area of Hubei, China, and afterwards this plant was also found successively in the Wanxian area of Sichuan. In 1947, dawn redwood seeds were introduced to the Arnold Arboretum in the United States, and from there spread to botanical gardens around the world. In 1948, "dawn redwood" and its scientific name were formally named, and since then it has enjoyed great fame in China and even the whole
-
Detailed explanation of colored bell pepper cultivation techniques, planting methods easy to understand at a glance
Select good varieties. Choose F1 hybrid varieties with large fruit, good quality and strong disease resistance, using 2000 seeds per 667 m2. Cultivate disease-free strong seedlings. Do a good job of seedbed disinfection and seed disinfection; soak seeds in 10% trisodium phosphate for 30 minutes, rinse and then soak to promote germination, preferably raising seedlings in 128-cell trays. When raising seedlings in summer and autumn, cover with shade net at noon, install insect-proof net at the air vents to prevent insects and prevent viral diseases; before transplanting, spray 1-2 times with Zhibingling II, spray 3-4 times with potassium dihydrogen phosphate, to prevent excessive growth, aging and the occurrence of diseased and weak seedlings. Fertilization, soil preparation
-
How can colored ecological cotton be cultivated for high quality?
The Special Economic Animal and Plant Research Institute of Cao County, Shandong Province introduced green, brown and other natural ecological cottons and achieved relatively high economic benefits. They have been rapidly promoted locally. To achieve high yield and high quality in colored cotton, the following field management tasks should be carried out well in the later stage. 1. Water well with autumn water, spray pesticide to protect bolls. Watering well with autumn water and spraying pesticide to protect bolls have significant effects on preventing premature senescence of cotton, reducing boll shedding, increasing boll weight, and improving seed maturity and fiber quality. The specific method is: use small furrow irrigation to water the roots, and at the same time spray the whole plant with cotton boll-protecting agent. 2. Prune carefully to reduce
-
Selection of Greenhouses for Colorful Bell Peppers and Key Cultivation Techniques
The colors of colorful sweet peppers include red, golden yellow, purple, light purple, cream yellow, and others. The fruit shape is square and large, the skin is smooth, and the flesh is thick, with flesh thickness reaching 5 to 7 mm, single fruit weight 200 to 400 grams, and a maximum of up to 500 grams; the taste is sweet and crisp, the nutritional value is high, and it is suitable for eating raw. Colorful sweet peppers are tolerant of low temperatures and weak light, and have a long growth period. In recent years, China has introduced colorful sweet peppers from countries such as the United States, the Netherlands, and Israel, planting them in the suburbs of Beijing, Shanghai, and other cities, with good results, and they have developed rapidly nationwide. The greenhouse cultivation techniques are now
-
A Detailed Guide to the Recipe and Cooking Techniques of Five-Color Shredded Shrimp
Peel fresh small shrimp (river shrimp or sea shrimp both work), rinse them, and pat them dry with a dry towel. Put them into a food blender, add egg white, salt, and MSG, and grind them into a fine paste. Place the shrimp paste into an empty plastic bag, and use a bamboo skewer to poke a small hole about 2 mm in diameter at the corner of the bag. Heat oil in a wok to 120°C, squeeze the shrimp paste from the small hole at the corner of the bag into the oil in shred-like strands; after heating they set into shredded shrimp. Scoop them out and soak them in cold water to rinse clean, then cut them into 10 cm lengths. Leave a little oil in the wok and heat it, stir-fry scallion and ginger until fragrant, add the four shreds (shredded
-
Phlox, Drummond phlox, annual phlox, five-color plum, grass oleander, campanula pink, foreign plum flower, small foreign flower, small sky-blue hydrangea
Scientific name: Phlox drummondii. Aliases: phlox flower, phlox bloom, five-color plum, grass oleander, campanula pink, foreign plum flower, small foreign flower, small sky-blue hydrangea. Family and genus: Polemoniaceae, Phlox genus. Origin: native to southern North America, now widely cultivated in countries around the world. Origin of the name: the genus name Phlox means flame, because the original species of phlox has red flowers. The species name honors Drummond. Morphological characteristics: plant height 15 to 45 cm. Stems erect, much branched
-
What are the other names for Phlox drummondii? Phlox flower, five-color plum, grass oleander, etc.
Scientific name: Phlox drummondii. Other names: phlox flower, phlox, five-color plum, grass oleander, bellflower pink, foreign plum flower, small foreign flower, small sky-blue hydrangea. Family and genus: Polemoniaceae, Phlox genus. Origin: native to southern North America, now widely cultivated around the world. Origin of the name: the genus name Phlox means flame, because the original species of Phlox has red flowers. The species name was given to commemorate Drummond. Morphological characteristics: plant height 15 to 45 cm. Stems erect, much branched,
-
Detailed Explanation of Key Points for Cultivating Colored Rice
Nutritional and health rice, namely red rice, black rice, and fragrant rice, are traditional premium and precious rice varieties in China. I. Fragrant indica rice. It ranks first among the four premium rice varieties first recommended by the Rice and Rice Products Quality Supervision and Testing Center of the Ministry of Agriculture. After testing and evaluation of 12 indicators, all exceed the first-grade rice standards. Its grains are jade-like in color, and the content of trace elements, especially selenium, is very high, making it the best variety for developing pollution-free green food. The fragrant indica rice plant height is 100 cm, about 150 grains per panicle, 1000-grain weight 28 g, usual yield 500-550 kg per mu, and the whole growth period is 136
条件筛选