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Mulberry plain of northern Zhejiang acidification and Countermeasures Kingswood


72. By Lu swine and sheep manure, garbage to swine and sheep stables and extend the right kind of green manure, waste soil fertilizer political effect. Can enhance the soil buffer capacity to resist acidification. Mulberry (set) species of green manure, combined with lime, turning in the earth,[link widoczny dla zalogowanych], is the large amount of high quality organic fertilizer sources. Kingswood plain nutrient balance, according to estimates. Attributed to each year into a hungry fat 1.75 ~ 2t / acre, organic matter and nutrients to maintain balance, the current inputs of organic fertilizer, has been critical value,[link widoczny dla zalogowanych], so be sure to input the amount of organic fertilizer. At least 1.7St / acres of critical level. To reverse the deficits in the passive situation. 3. Vigorously promote the rice straw, wheat straw and other vegetable shell with straw cover Mulberry increase food production. Straw skewer also grows, and farmers standard of living later. Straw as fuel, raw materials, feed the proportion is significantly reduced. Today most of the straw stick in entirely possible field directly (to), which is vigorously San solid straw cover to provide the material basis. Summarized the benefits of Mulching education Mulberry (��) soil fertility. Straw is an organic fertilizer, Taiwan has a large number of crude fiber, polysaccharide, can form a granular structure, and enhance the soil's buffer capacity. (2) added source of potassium. Zhou N0.9z ~ L. Straw z,[link widoczny dla zalogowanych], P00.12 ~ O. 14. . ; J-31998 No. 1 official post-round buckle detoxification effect l: 31 passengers of the city, Jiangsu Silk Mulberry Pharmacy regulate pest control technology Fangjin Fen Chang-hong Ge Xia Jigong Division 213300) pesticides to control pests is a comprehensive prevention and treatment of mulberry an indispensable means. But two conditions have occurred in production; first farmers who were mostly elderly women and children,[link widoczny dla zalogowanych], the lack of strong labor pest control rather than pest control; while some sericulturist over-reliance on pesticides and multiple times, so doses of pesticides to control, in the killing the same time eliminate pests, natural enemies have been a lot of destruction, pest resistance increased significantly, leading to rampant again mulberry pests. Large outbreaks of secondary pests and a series of negative should the sericulturist against the resurgence of pests and enhance the approach is often resistant to medication, and medication frequency, dosage form, more and more frequent dosing so that the reduction of the vicious cycle of drug use number of standardized drug concentrations, is the urgent mulberry pest pesticide study. Since 1994, the city garden pest forecasting stations Dingsang regulate pesticide pest control technology of insect pests of mulberry l research in my field to different regions of the existence of pest species, life habits and characteristics of 1.1 occurred in our city's complicated topography , located in Jiangsu, Zhejiang and Anhui provinces at the junction of the mountains, hills, the combination of polder area. Pest Zhouquan Zhen,, / Star State town of Hing Pan Xiao-stop s3_7 close to the occurrence and topography survey research group based in Mulberry, and further on different areas of the city of Mulberry Pests occurrence, the number of generations, as pests state has tracked the occurrence of such investigations. Results Table 1 Table 2. Table 1, in former times often made of the geographical distribution of insect tl geographical area of the status of the situation the main cup orange Nanshan hilly area of 2400 Mulberry gall midge. Sang like a worm. _ A Plain Polder 1466 Mulberry Mulberry borer, R geometrid, wild silkworm, mulberry weevil, caterpillars North hills Fu Sang Sang area of 800 thrips, spider rainbow. Sang like a worm. Note area of mulberry caterpillar unit hectares. 2 regular-onset decline for pest insect state, state pest control Weng Hao * * refers to the subject of anti-pesticide by University Professor Heming guidance blocking, wells Juan Feng Wen trial. Wish list gratitude. ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ~ ... ... ... ... ... ... ... ... ... �� �� K02, 1 ~ 2.5, in order to cover the straw Mulberry 250kg / mu meter can be add K05 ~ 6kg / acre,[link widoczny dla zalogowanych], the equivalent of 1O ~ l2kg / acre of potassium chloride fertilizer. (3) insulation, pressed grass, warm in summer and dry season, Paul weeds multiply sin of Health, mulberry straw cover, drought can be moisture, suppress weeds breed; cover straw in the winter, played the role of warm soil improvement 4. Balanced fertilization, and enhance resilience Mulberry present, Kingswood in plain mulberry fertilization, is about: N57.5kg / mu, P. 012.0kg / mu, K? O11.5kg / mu ��organic manure and chemical fertilizer active ingredient together), N: P0s: K2O a 102.1:2.0 generally believed that the production of 100kg of mulberry leaves, about pure N2.0kg , N: PzO: KO = 10t3; 5 ~ 6 is appropriate. Therefore, the current should be appropriate to reduce the nitrogen fertilizer application, as appropriate, additional phosphorus, potassium increased strongly promote the Sandinista compound fertilizer, so step by step to achieve a reasonable ratio of NPK. In the fertilization method, Agriculture and Forestry Bureau of Jiaxing City: fertilizer applied in summer as the most important fertilizer; change for the surface facilities ditch fertilizing, light facilities, through trench fertilizing combination to achieve the depth of alternation, increase fertilizer efficiency.
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