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  • Applying topdressing to corn on a rainy day: experienced old farmers save money and effort, and the fertilizer effect is even better

    Why do farmers choose to topdress corn on rainy days? Actually, this does not mean farmers must choose rainy days to topdress corn, but choosing to topdress on rainy days has many advantages. Although many farmers today choose the so-called "one-shot" fertilization method...

  • What effects does drought have on corn during its critical growth period?

    China has a vast territory, and its climate distribution shows a high degree of diversity, with rainfall varying considerably across the country. Generally speaking, in North China and the Huang-Huai-Hai region, rainfall in July and August is somewhat low, and farm...

  • How to effectively eliminate pests in farmyard manure?

    How do you get rid of pests in farmyard manure? Please give an introduction. Farmyard manure contains quite a few pests, such as white grubs and maggots. If it is not treated or is treated improperly, the pests will multiply in large numbers and harm crops after application. Spread chicken and duck manure flat, sun-dry it, crush it fine, and mix in 1 kg of phoxim per cubic meter. After mixing evenly, pile it into a truncated cone shape, seal it with mud, and it can be applied after 15-20 days.

  • Applying Topdressing to Crops This Way Can Effectively Increase Yield

    How can crops be topdressed to increase yield? Please introduce the methods. Topdressing crops is an important means of achieving increased production and income, but topdressing must be done scientifically to achieve a bumper harvest. Three considerations: determine the type of chemical fertilizer to apply based on differences in soil pH. In general...

  • How can aphids in cornfields be controlled effectively?

    How to control aphids in cornfields? Please explain the methods. Corn aphids, commonly known as "greasy bugs" or "honey bugs", harm not only corn but also crops such as sorghum and barley. They pierce and suck plant sap. Aphid numbers are very low at the seedling stage, but surge during the ear stage, secreting large amounts of "honeydew", which forms a black mold-like layer on the leaves, affecting photo...

  • Which pesticide is effective for controlling the rice leaf roller?

    Which pesticides are effective against the rice leaf roller? Please give an introduction. The rice leaf roller, also known as the rice leaf roller worm, commonly called the leaf scraper, white leaf worm, leaf folder, etc., is a major pest during the rice growing period. This pest damages rice as larvae, binding leaves into longitudinal rolls, hiding inside and chewing the upper epidermis and mesophyll; the symptom is that the damaged leaves...

  • Which pesticide is effective for controlling the rice stem borer (Chilo suppressalis)?

    What pesticide should be used to control the rice stem borer? Please advise. Common control agents for the rice stem borer include 25% Actara water-dispersible granules, 5% Regent suspension concentrate, 20% Haonianidong emulsifiable concentrate, 50% fenitrothion emulsifiable concentrate, Nongjiale emulsion, 5% Shachongshuang granules, 80%...

  • What pesticide is effective for controlling rice bacterial leaf blight?

    What pesticide is good for rice bacterial leaf blight? What harm does rice bacterial leaf blight cause? What are the causes of rice bacterial leaf blight? Please give an introduction. Bacterial leaf blight is one of the major diseases of rice. Once it occurs, it can generally reduce yield by 10%, and in severe cases by 50-60%. Therefore, strengthening the control of bacterial leaf blight is very important...

  • How can sorghum stem borers be controlled effectively?

    How can sorghum stem borers be controlled well? Please provide guidance on methods to control sorghum stem borers. They are the main pests damaging sorghum and corn. Sorghum stem borers overwinter as mature larvae inside sorghum and corn stalks, and a few also overwinter in corn cobs. Adults are phototactic; in spring they mostly lay eggs during the whorl stage, while in summer they lay eggs during the corn tasseling...

  • How to effectively control aphids in sorghum cultivation?

    What is the best way to control sorghum aphids? Please provide an introduction to effective control methods. Sorghum aphids are a major pest on sorghum, mostly pale yellow in body color, with a few purplish red; they gather on the undersides of leaves to cause damage, gradually spreading from the lower leaves to the middle and upper leaves, sucking sap and seriously harming the growth and development of sorghum....