本文選題：煙臺市 + 設(shè)施農(nóng)業(yè)��； 參考：《山東農(nóng)業(yè)大學(xué)》2015年碩士論文

【摘要】：有機(jī)肥在設(shè)施農(nóng)業(yè)中發(fā)揮著重要作用,是高效農(nóng)業(yè)發(fā)展的有效手段。研究煙臺市設(shè)施農(nóng)業(yè)土壤養(yǎng)分狀況,建立規(guī)范的有機(jī)肥技術(shù),對發(fā)展本地設(shè)施農(nóng)業(yè)有重大意義。本研究以大量的土壤樣品測試結(jié)果及區(qū)域試驗數(shù)據(jù)為依據(jù),定量研究煙臺市各縣市設(shè)施農(nóng)業(yè)土壤養(yǎng)分狀況,結(jié)合主要作物養(yǎng)分指標(biāo)及有機(jī)肥施入量,分析配肥量與有機(jī)質(zhì)增加量的關(guān)系,為本地設(shè)施農(nóng)業(yè)科學(xué)施肥提供依據(jù)。1.有機(jī)質(zhì)含量煙臺市各縣市較低,平均含量為10.83 g?kg-1,范圍是10.58-11.02g?kg-1,牟平區(qū)含量最低,昆崳山保護(hù)區(qū)含量最高,和山東省各市相比土壤有機(jī)質(zhì)含量較低。2.堿解氮平均含量為19.92mg?kg-1,范圍是16.74-24.48mg?kg-1牟平區(qū)含量最高,開發(fā)區(qū)含量最低。3.有效磷平均含量為96.7mg?kg-1,范圍是80.3-137.7mg?kg-1,招遠(yuǎn)市含量最高,福山區(qū)含量最低。4.速效鉀含量處于山東省設(shè)施農(nóng)業(yè)土壤的中等水平偏下,平均含量為130.9g?kg-1,范圍是107.5-188.1g?kg-1,龍口市含量最低,萊山區(qū)含量最高。5.有效鈣含量在煙臺各縣市土壤中嚴(yán)重缺少,有效鎂含量較為豐富,因此番茄、黃瓜等喜鈣作物在栽培過程中,需要注意增施鈣肥。6.CEC平均含量為17.87cmol/kg,范圍是15.44-19.95cmol/kg,芝罘區(qū)和棲霞市含量最低,招遠(yuǎn)市含量最高。7.通過有機(jī)肥能的施用,土壤有機(jī)質(zhì)提高幅度最大從11g?kg-1提升到15.3g?kg-1,隨著加大有機(jī)肥的投入,土壤中有機(jī)質(zhì)含量逐漸增加。土壤中的堿解氮隨著有機(jī)肥的施入相應(yīng)的增加,以4t添加量堿解氮增加的幅度最大,增幅為40.5%。不施用有機(jī)肥土壤中的有效磷含量下降了5.1%。不施用有機(jī)肥土壤中有效鉀含量下降了7.8%,添加2t、3t、4t有機(jī)肥土壤中有效鉀含量隨著有機(jī)肥施入量的增加而增加,4t試驗區(qū)有效鉀含量增幅最大為3.9%;隨有機(jī)肥量增加,土壤有效鈣、鎂含量增加不明顯。隨著有機(jī)肥投入增加,CEC顯著增加。長期施用有機(jī)肥能夠調(diào)節(jié)土壤pH值土壤的pH值隨有機(jī)肥投入增加,對土壤改良起到重要作用,試驗地塊土壤的pH由7.4下降到7.0。
[Abstract]:Organic fertilizer plays an important role in facility agriculture and is an effective means for the development of efficient agriculture. It is of great significance to study the soil nutrient status of protected agriculture in Yantai city and to establish the standard organic fertilizer technology for the development of local facility agriculture. Based on the test results of a large number of soil samples and the regional test data, this study quantitatively studied the soil nutrient status of protected agriculture in Yantai City, combined with the main crop nutrient index and the amount of organic fertilizer applied. The relationship between the amount of fertilizer allocation and the increase of organic matter was analyzed to provide the basis for the scientific fertilization of local facilities agriculture. The content of organic matter in Yantai is low, the average content is 10.83 g / kg ~ (-1), the range is 10.58-11.02 g / kg ~ (-1), the content in Muping district is the lowest, the content in Kunyu Mountain protected area is the highest, and the content of soil organic matter is lower than that in Shandong Province. The average content of alkali-hydrolyzed nitrogen is 19.92 mg / kg ~ (-1). The range is the highest in 16.74-24.48mg?kg-1 Muping area and the lowest in development zone. The average content of available phosphorus was 96.7 mg / kg ~ (-1), and the range was 80.3-137.7 mg / kg ~ (-1). Zhaoyuan city had the highest content, and the Fushan district had the lowest content of .4.The content of available phosphorus was 96.7 mg / kg ~ (-1). The available potassium content was below the middle level of the protected agricultural soil in Shandong Province, the average content was 130.9 g / kg ~ (-1), the range was 107.5-188.1 g / kg ~ (-1), the content in Longkou City was the lowest, and the content in Laishan area was the highest. The content of available calcium in the soil of Yantai county and city is very short, and the content of available magnesium is relatively rich. Therefore, tomato, cucumber and other calcium-loving crops were cultivated in the process of cultivation. The average content of calcium fertilizer was 17.87 cmol / kg, the range was 15.44-19.95 cmol / kg, the content of Zhifu and Qixia was the lowest, the content of Zhaoyuan was the highest. Through the application of organic fertilizer, the increase of soil organic matter increased from 11g?kg-1 to 15.3 g / kg ~ (-1), and the content of organic matter increased gradually with increasing the input of organic fertilizer. With the application of organic fertilizer, the alkali-hydrolyzed nitrogen in soil increased by 4t, and the increase was 40.5%. The content of available phosphorus in soil without organic fertilizer decreased by 5.1%. The available potassium content in the soil without organic fertilizer decreased by 7.8%, and the available potassium content in the soil increased with the increase of the amount of organic fertilizer application, and the maximum increase of available potassium content was 3.9% in the experiment area, and with the increase of organic fertilizer amount, the available potassium content in the soil increased, and the available calcium content in the soil increased with the increase of the amount of organic fertilizer, and the content of available potassium in the soil increased with the increase of the amount of organic fertilizer. The increase of magnesium content is not obvious. With the increase of organic fertilizer input, CEC increased significantly. Long-term application of organic fertilizer could adjust the pH value of soil with the increase of organic fertilizer input and play an important role in soil improvement. The pH value of soil in experimental plots decreased from 7.4 to 7.0.
【學(xué)位授予單位】：山東農(nóng)業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：S158

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