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How to control weeds in pollution-free sweet potato cultivation?
Commonly used herbicides for sweet potato are as follows: (1) Caochangmie (Leikela) 70% wettable powder, 3000-3750 grams per hectare mixed with 450-600 liters of water, applied before planting sweet potato or immediately after planting. Mainly controls Alopecurus aequalis, crabgrass, barnyardgrass, foxtail, ryegrass, goosefoot, smartweed,
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Integrated Control of Diseases, Pests and Weeds in Pollution-Free Sweet Potato Cultivation
(1) Carefully select seed tubers. Choose tuber pieces free of disease, insects and injuries as seed tubers. (2) Chemical treatment of seed tubers (omitted). (3) Storage cellar management. Store the seed tubers in a sterile cellar; preferably use a new cellar. If an old cellar is used, first scrape off the cellar walls, then fumigate with 15 g of sulfur per sq m. After the tubers
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Detailed Explanation of Key Production Techniques for Pollution-Free Pomegranate
I. Site Selection Environmental Conditions: Annual average temperature above 9°C; annual rainfall of 300-1000mm; fertile soil with organic matter content above 1%, soil layer over 60cm, groundwater level below 1m; soil pH 6.5-7.5, total salt content below 0.3%; slope less than
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Off-season Pollution-free Cultivation Techniques for Muskmelon
1. Variety Selection Choose early-to-mid-maturing varieties, such as Elizabeth and Western Shipping and other excellent muskmelon varieties. These varieties have good flavor, wide adaptability, and strong stress resistance, and generally can achieve a yield of 1500-2000 kg per mu. 2. Seedling Raising Choose a field with higher terrain and loose, fertile soil as the seedbed.
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Field Management Techniques for Pollution-Free Mango Cultivation
(1) Soil management: In combination with the application of base fertilizer, dig a trench on each side of the tree canopy below the drip line. The standard trench size is 100 cm x 50 cm x 40 cm, and green manure, decomposed organic fertilizer and phosphate fertilizer are pressed into it. It is recommended to interplant dwarf leguminous green manure, forage grass, other nectar source plants or grow grass between the rows of the mango orchard, but the intercrops should be at least 1 m from the base of the mango trees. The grass species selected should be short-stemmed or creeping, share no common pests or diseases with mango, and have a short growth period, such as Ageratum conyzoides (goatweed). It is recommended that the root zone or planting strip of mango be covered year-round.
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Key points of pollution-free control techniques for citrus cultivation
When chemical pesticides are used to control citrus pests and diseases, costs are high and resistance is easily developed. Guiding fruit growers to use the following simple and economical methods gives good results in controlling certain citrus pests and diseases. The specific control methods are as follows. 1. Plant ash to control citrus leafminer: during the shoot-flushing period, start when the new shoot has grown to about 3 cm, and continue until the new shoot matures, sprinkling once every 5-7 days for 5-6 consecutive times, and during the interval, replenish promptly after rain. In the early morning when the dew has not dried, or after rain, or after watering, promptly sprinkle plant ash onto the upper and lower surfaces of the leaves of the new citrus shoots. Throughout the shoot period, the leaves should remain constantly coated with the ash powder until the shoot leaves mature. This method is suitable for greenhouse or open-air citrus nurseries, young citrus orchards, and potted ornamental citrus for controlling citrus leafminer.
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Pollution-free control techniques for diseases, pests, and weeds in jujube trees
Fully implement the plant protection policy of giving priority to prevention and comprehensive control, base efforts on improving the orchard ecological environment and strengthening cultivation management, give priority to agricultural and ecological regulation measures, pay attention to protecting and utilizing natural enemies, and give full play to the natural control role of natural enemies. Select high-efficiency
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Detailed Guide to Pollution-Free Production Techniques for Bupleurum
Bupleurum: Bupleurum is the root of the Apiaceae plant Bupleurum chinense DC. The taste of Bupleurum is bitter and pungent, with a slightly cold nature. It enters the Liver and Gallbladder meridians. It has the functions of dispersing and reducing fever, soothing the liver and relieving depression, and raising yang and lifting prolapse, and is mainly used for cold and fever, alternating chills and fever, chest and hypochondriac distention and pain, menstrual
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Detailed Explanation of Pollution-Free Cultivation Techniques for Houttuynia cordata
Houttuynia cordata, scientific name Houttuynia cordata Thunb., also known as ceyergen, is a perennial herbaceous plant of the family Saururaceae. Its taste is slightly pungent, its nature is cool, and it enters the lung meridian. It has a marked inhibitory effect on influenza virus and pneumococcus, and has the effects of clearing heat, detoxifying, promoting urination, relieving pain, stopping cough, dispelling wind
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Detailed Explanation of Key Points for Pollution-Free Cultivation Techniques of Salvia miltiorrhiza
1. Scope This standard applies to pollution-free open-field production of Salvia miltiorrhiza in Hebei Province. This standard specifies the environmental technical conditions of the production area for pollution-free Salvia miltiorrhiza with a yield of 4500 kg to 5200 kg per hm2, the principles and requirements for fertilizer use, production management and a series of other measures. 2. Pollution-free production management measures
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