Winter flax anti-drought technical measures
2021-01-31 09:21:38
Linen is a high-density plant crop and consumes 400-430 grams of water per gram of dry matter produced during growth. Seeds need to absorb 107% -155% of their own weight of water to germinate, from the emergence to the flowering period, if the soil water content below 40% will make the linen drought, the impact on the stem and fiber, especially fast The most sensitive to the flowering period is the growing period. The growth season of autumn sowing flax in Yunnan coincides with the drought and dry winter and spring seasons. Therefore, according to soil moisture and flax growth conditions, artificial irrigation should be provided within two days after sowing, hoeing period, rapid growth period, flowering period and mature period. It is advisable to keep the water holding capacity of the soil in the range of 65-75%, so that each growth stage of flax is in a suitable moisture environment. In case of special drought years, we must promptly do a good job of drought-resistant flax production to achieve drought relief, drought and security. 1, in the conditions of the area to be early ditch irrigation seedlings, water diversion to the ditch, irrigation to the depth of the ditch 2/3, let the water slowly penetrate the car surface, avoid flooding, flood irrigation and long irrigation; irrigation and fertilizer combined. 2. In the moderately arid field, foliar spraying of fulvic acid (also known as drought-resistant agent No. 1 and FA “green fieldâ€) with a concentration of 1000-1200 times can be adopted, which can reduce the evaporation of water and increase the area of ​​green leaf. , stalk strength, increase chlorophyll content, enhance plant resistance to stress. 3. For drought-prone fields, the drought is likely to lead to lack of flax nutrition. It is necessary to spray 0.3% urea, 0.3% potassium dihydrogen phosphate and 0.2% borax when the sun is cloudy or the afternoon sun becomes weak. The mixture was mixed 2-3 times, separated once every 5-7 days, supplementing plant nutrition and enhancing plant resistance. 4. Under drought conditions, flax seedlings are weak and their resistance is reduced. Some diseases and insect pests are prone to damage, and prevention and control should be actively strengthened. The main disease is powdery mildew. In the initial stage of disease, 40% of Fuxing EC can be used for 8000 to 10000 times, 40% of SCT 4,000 times, or 50% of rust to 800 times. 7 to 10 days once, even spray 2 or 3 times. The main insect pests were cabbage caterpillar, diamondback moth, cabbage beet armyworm, beet armyworm and armyworm, etc.. From the week before the hatching of pests eggs to the larval 3rd instar period, they used 1.000 % of acetosine salt 2000-3000 times. Or 2.0% avermectin 2000 to 3000 times, or 2.5% Kung Fu EC 2000 to 3000 times spray control. Pay attention to all kinds of drugs to be used alternately so as to avoid pest resistance
1) Specification: 80-100 mesh, 100-120 mesh
2) Color: 100% pure natural white, no obvious spot
3) Moisture: 6% max.
3.Packing:
a) Inner packing:12.5kg/2 aluminum foil bags
b) Outer packing: 25kg/ctn
4. Supply period: All year round
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2. Features:1) Specification: 80-100 mesh, 100-120 mesh
2) Color: 100% pure natural white, no obvious spot
3) Moisture: 6% max.
3.Packing:
a) Inner packing:12.5kg/2 aluminum foil bags
b) Outer packing: 25kg/ctn
4. Supply period: All year round
5. Conveyance: 18mts/20' FCL
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