Since entering into the volcanic zone, with the frequent warming and wetting of northern air, rice “two migrations†(rice planthoppers, rice leafhoppers, etc.) and other harmful organisms have rapidly invaded. As the “two migrations†pests are suddenly explosive and highly invisible, once large The area will cause serious damage. In order to reduce the degree of harm and ensure the increase of rice yield, special prevention measures are as follows: One is 50-100 grams of mu garrison, 30-40 ml of Jiarujin, and 60 kg of water. The second is 400ml of dichlorvos, 150kg of wet soil, and evenly applied. Application time is 9-11 am, after 3 pm, it is advisable to avoid hyperthermia poisoning, and keep flowers in the field when spraying to improve efficacy. The third is to continue to implement the agricultural control measures for drainage and drying fields to control the humidity in paddy fields and create a microclimate in the field that is not conducive to the spread of sheath blight and the propagation of rice planthoppers. The fourth is to implement the classification guidance, not to implement one-size-fits-all approach in the prevention and control. For the prosperous growth, rice leaf dispersal, dark green color, dense and impenetrable Wang Changtian should be the focus of prevention and control, to be treated twice; normal growth of the field Block, the amount of P. edodes is controlled at about 500 heads; the three types of seedlings, which are earlier in term of defertilization, yellowish in leaf color, and late in line, can be delayed accordingly until mid-August. Relax until 800 or so.
Turmeric (Curcuma longa) is a rhizomatous herbaceous perennial plant of the ginger family, Zingiberaceae,which reaches up to 1 m tall and native to India, South America, China and the East Indies. Highly branched, yellow to orange, cylindrical, aromatic rhizomes are found.Turmeric, a yellow root, imparts color and flavor to food and has been used as a color and/or spice for centuries, that is produced by grinding the rhizomes of the perennial herb, Curcuma longa. The colourings responsible for the bright yellow hue of turmeric are the pigments curcumin, demethoxycurcumin and bisdemethoxycurcumin.
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Key Techniques for Prevention and Control of Pests in Two Migrations of Rice
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