-
Detailed Key Points for Home Care of Phalaenopsis (Moth Orchid) in Spring and Summer
When you buy a flowering plant in spring (March-May), the rising spring temperatures make it a good time to grow the plant. However, the plants sold on the market during this period have been cultivated all winter in production greenhouses with a minimum temperature above 20°C, so the plants are not very cold-tolerant. After purchasing the plant, it should be acclimated: place the pot in a spot where the minimum temperature at dawn is above 10°C; if you have a hotbed or an air-conditioned room, place the pot in the center, apply slight heating, and protect it. During the 1-month adaptation period
-
Detailed Techniques for Spring Sowing and Seedling Cultivation of Chinese Parasol Tree (Part Two)
Seedling Management 1. Loosening Soil and Weeding After sowing, dicotyledonous weeds such as field pepperweed, Japanese hop, and amaranth will proliferate in large numbers. They can be removed manually or sprayed with 2,4-D at 1/1000. When weeding, follow the principle of "remove small, remove early, remove completely," with a soil loosening depth of 2 to 3 cm. 2. Fertilization and Irrigation Fertilize when seedlings reach 3 to 5 cm in height, applying 8 to 10 kg of compound fertilizer per mu, combined with irrigation; thereafter water according to soil moisture conditions. 3. Pest and Disease Control During the seedling stage of Chinese parasol tree, attention should be paid to the prevention of damping-off disease. Through measures such as early sowing, high-ridge seedling cultivation,
-
Detailed Explanation of Spring Sowing and Seedling-Raising Methods for Chinese Parasol Tree
The Chinese parasol tree (Firmiana simplex) is a deciduous tree of the genus Firmiana in the family Sterculiaceae, with a straight trunk and bright green bark. It is an excellent street tree species and has been widely used in urban and rural greening in recent years. Through several years of practice, the author has worked out a set of techniques for spring sowing and seedling raising of the Chinese parasol tree, presented as follows: Sowing time: in the Beijing plain area, sowing can be carried out from late March to early April after the soil thaws in spring. Soil preparation: before sowing, plow the soil deeply to 30 cm, remove weeds, tree roots and other debris, then carry out ridging or bed making and soil disinfection. Ridging and bed making: the Chinese parasol tree should be raised using high beds, wide ridges or containers, especially on loam and clay soils that easily become compacted. On sandy loam, low beds or flat beds can be used for seedling raising.
-
Detailed Explanation of Key Technical Points for Spring Planting of Pinellia ternata (Dry Pinellia)
In recent years, there has been a large supply-demand gap in the dry Pinellia market, and prices have been rising steadily, so production can be developed according to local conditions. Planting on slopes or intercropping with other crops: Pinellia ternata is a shade-tolerant crop, so gentle slopes can be chosen for planting, or it can be intercropped in young orchards and fields of tall crops such as corn and wheat. Pre-sowing sprouting promotion, mulching during the seedling stage; generally sown from February to April. Before sowing, the seed tubers are sprouted on indoor hotbeds, with the bed temperature maintained at 20°C, and sprouts can emerge after 15 days. Place the seed tubers in a plastic greenhouse with a temperature of 20-25°C for 15 days, and sow after the bud sheaths turn white.
-
What are the key technical measures for ensuring a full stand of cotton seedlings in spring?
Seed preparation. Choose superior seeds; high-quality seeds are the prerequisite for ensuring the emergence rate and for uniform, complete and strong seedlings. Therefore, choose seeds produced and sold by large manufacturers, with standardized packaging, good maturity and plumpness, and a high germination rate. For chemical seed dressing, you can use 50% carbendazim WP at 0.5% of the seed amount, 30% Miaojundi WP, or a mixed dressing of 50% thiophanate-methyl WP at 0.6% of the seed amount and 75% 3911EC at 0.8% of the seed amount, with 2 to 3 kg of water per 100 kg
-
What new flower varieties are there for spring? This article explains in detail
Spring has arrived, and quite a few new varieties have hit the market. This special issue presents some of them for our readers. Black-eyed Susan (Rudbeckia hirta) 'Denver Daisy' variety introduction: early flowering, long flowering period, blooming from late spring all the way until the first frost, widely adaptable, strong heat tolerance and drought resistance, simple cultivation and management, short growing time
-
What are the precautions for stocking fish fingerlings in early spring? Farmers should keep these points in mind
1. Fingerling quality: The fingerlings to be stocked should be of the same species and same age, uniform in size, robust and uninjured, with intact scales and fin rays, strong upstream swimming ability, and after being removed from water, the gill cover should not open and the fish should keep jumping. 2. Fingerling disinfection: When disinfecting fingerlings, note: ① The medicine should be prepared and used immediately; use clean water to prepare the solution, avoid using fertilized water, and avoid direct sunlight when soaking the fingerlings in the medicine. ② The dosage must be accurate, avoiding insufficient or excessive medication. ③ The soaking time should be appropriate. If signs of poisoning appear in the fingerlings, immediately add water
-
Detailed Explanation of Key Technical Points for Spring Broodstock Cultivation
After the beginning of spring, water temperatures gradually rise. Especially during the pre-spawning stage in March and April, fish activity increases, development accelerates, and food intake rises accordingly. This stage is an important period for gonadal development of broodstock. Practice has proven that the quality of spring broodstock cultivation is the key to the success or failure of artificial breeding of Chinese carp. Therefore, the following points must be well managed: 1. Feeding. Grass carp broodstock are mainly fed grass and concentrated feed. Depending on the availability of grass, generally grass is fed in the morning and concentrated feed in the afternoon, both on fixed feeding platforms. In early spring when green feed
-
Detailed Explanation of Early Spring Management Techniques for Late-Sown Wheat
Because the wheat sowing period around "National Day" last year encountered heavy rainfall, wheat farmers did not sow until after the Cold Dew solar term, forming late-sown wheat; in addition, the rainfall at that time also delayed the growth of wheat sown at the normal time, also forming late-sown wheat. Of the 1.1 million mu of wheat sown in this city last year, more than half was late-sown wheat. The growth characteristics of late-sown wheat differ from ordinary wheat, so early spring management techniques are also different. Late-sown wheat generally refers to wheat sown after the Cold Dew solar term. Its growth characteristics differ from wheat sown at the appropriate time.
-
Detailed Explanation of Key Technical Points for Spring Sowing of Cotton
Determine the density according to variety, soil fertility and planting method, and plant at a reasonable density to achieve full emergence from a single sowing. Generally, for single-cropping spring cotton varieties, the density should be kept at about 3,500 plants per mu, with a row spacing of 1 m and a plant spacing of 19 cm; for semi-spring varieties, the density should generally be kept at about 4,500 plants per mu, with row spacing and plant spacing of 15 cm; for summer cotton varieties, on plots with good fertilizer and water conditions, the density should be kept at about 6,500 plants per mu; on plots with average soil fertility, it should be kept at about 7,500 plants per mu; and on dry, barren, low-yield plots, it should be kept at about 8,000-10,000 plants per mu.
条件筛选