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                Double south in mid and late season late rice field management technology

                來源:環球糧機網發布時間:2015-08-24 11:43:17

                At present, the south double season of late rice is about to enter the booting stage. This year, affected by el nino, the Yangtze river basin flood season rainfall in general, the more the autumn may appear a wide range of low temperature wet weather, cold dew wind and superposition of diseases and increased risk. In view of the current climate characteristic, rice expert committee of the ministry of agriculture and the national agricultural technology extension service center in consultation with the southern double in mid and late season late rice field management technique.

                It is science and pipe water, promote root pour. Field drying moderation, too many seedling and leaf color thick green field can be basked in heavy, other plots can field light tan, multiple field drying. Recovery after water adhere to the "with embellish is given priority to, with water and air, moisture balance" the principle of scientific water pipe, booting, do wet water earing, dry-wet alternate grouting strong seed, avoid by all means water early, late to prevent premature aging. Late pipe water should be taken to dry wet irrigation, irrigation PaoMaShui only commonly, leaving no water, should not only keep the soil moist, and to increase the oxygen in the soil, improve the ecological environment of the scope of root system, enhance the vitality of root system.

                 

                Second, fertilization, increasing ear grain. Already tillering fertilizer and smaller groups may, in the early stage of the young ear differentiation, seize the key time after field drying after water, according to the field looks like the group to fill ShiSui fat, general mu urea 2-3 kg plus k 4 to 5 kg. In those grouting period use LiFei opportunely, mu shi urea use 2-3 kg or 0.5 1.0 kg urea and potassium dihydrogen phosphate in 150-200 grams of water spraying on the leaf 50-100 kg, prevent premature aging, promote grain filling.

                 

                Three is the reach mark, TongFang rule. Focus on the prevention and treatment of rice planthopper and rice vertical leaf moth, rice blast and sheath blight journey, such as sex, major epidemic diseases and insect pests. Scientific selection potions, timely conduct TongFang rule. Prevention and control of rice planthopper is outstanding "after the" before the pressure control, selection of ether chrysanthemum ester, pyrazole ketone of aphid, olefinic organism worm amine reagents in young nymphs peak, spray pesticide, fight the ear.for outbreaks of plague; Vertical borer and rice leaf moth, choose chloride bug benzamide, four chlorine amide, cyanide fluorine worm hydrazone and other agents, with emphasis on the protection of blade, according to the standard drug "loose and tight," principle, in the mid and late rice prevention and control of main harm generation; Rice disease and rice blast key before the break and the heading stage for prevention measures; Prevention and control of sheath blight to focus on tillering stage and jointing stage, try to use a high content of a single dose, avoid using high content after dispensing, to prevent drug resistance, improve the efficiency of control.

                 

                Four is planning as early as possible, "the autumn chill. Combinations in the south this year possible autumn rainy, cold dew wind occurrence probability is larger at low temperature, around for early prevention plan, to promote early at the early stage of the pays special attention to the hair, on the basis of dealing with the technical measures and materials for preparation of late in advance. Beginning, before the arrival of cold dew wind has fringe field, combined with spraying on the leaf potassium dihydrogen phosphate add right amount, a. "contenders, promote early earing. Cold dew wind comes, not earing field, adopt to fill the deep cover "child"; Earing those field, the insulation from the cold, to fill the deep conditional spraying agent of warming, enhance the capacity of cold hardiness, lightening the harms of low temperature, to ensure safety and full panicle.

                More grain machinery related information, also please continue to focus on our official website, global food machine net: http://www.tmiradio.com

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