CAJ | 학술논문

在云南山地胶园,对缺氮(镁)型、缺氮钾(镁)型橡胶树开展专用肥施用效果研究。3a试验结果表明：与常规施肥相比,施用高氮(镁)型、高氮钾(镁)型橡胶树专用肥,单位面积年平均干胶增产率分别为8.63%、9.69%；年平均增产干胶70.37、96.04 kg/hm2；减少肥料投入891、679元/hm2,产生经济效益分别为2298、2600元/hm2；橡胶树茎围分别增长6.78%、10.79%；橡胶树叶片N、 Mg含量增加, K、 Ca含量在正常值范围内。对症施用橡胶树专用肥比常规施肥增产效果好、肥料投入少、经济效益高,改善了橡胶树叶片营养状况,促进橡胶树生长。
재운남산지효완,대결담(미)형、결담갑(미)형상효수개전전용비시용효과연구。3a시험결과표명：여상규시비상비,시용고담(미)형、고담갑(미)형상효수전용비,단위면적년평균간효증산솔분별위8.63%、9.69%；년평균증산간효70.37、96.04 kg/hm2；감소비료투입891、679원/hm2,산생경제효익분별위2298、2600원/hm2；상효수경위분별증장6.78%、10.79%；상효수협편N、 Mg함량증가, K、 Ca함량재정상치범위내。대증시용상효수전용비비상규시비증산효과호、비료투입소、경제효익고,개선료상효수협편영양상황,촉진상효수생장。
The effects of rubber tree special fertilizer application on rubber trees of nitrogen(magnesium) deficiency type and nitrogen potassium (magnesium) deficiency type in mountainous rubber plantation of Yunnan province were studied in the past three years. The results showed that compared with rubber trees with regular fertilizer application, the dry latex of nitrogen (magnesium) high type and nitrogen potassium magnesium high type per unit area had increased 8.63% and 9.69%, respectively, that were 70.37 kg/hm2 and 96.04 kg/hm2, while the fertilizers input had reduced by 891Yuan/hm2 and 679 Yuan/hm2; and economic returns were 2 298 Yuan/hm2 and 2 600 Yuan/hm2, respectively, the growth rate of stem thickness were 6.78%and 10.79%. The content of N, Mg in rubber tree leaves had increased, whereas the content of K, Ca in rubber tree leaves were within normal value. Applying rubber special fertilizers based on the diagnosis had a better effect on rubber yield increase than regular fertilizer application, it also helped reducing fertilizer input with high economic returns, improving nutritional status of rubber tree leaves, promoting growth of rubber tree.