[1]彭琳,余存祖,戴鸣钧,等.土壤作物微量养分含量与营养诊断指标[J].水土保持研究,1985,(02):70-80.
Peng Lin,Yu Cunzu,Dai Minjun,et al.Micronutrient Content in Soils and Plants and Its Nutrient Diagnostic Target[J].Research of Soil and Water Conservation,1985,(02):70-80.
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Peng Lin,Yu Cunzu,Dai Minjun,et al.Micronutrient Content in Soils and Plants and Its Nutrient Diagnostic Target[J].Research of Soil and Water Conservation,1985,(02):70-80.
土壤作物微量养分含量与营养诊断指标
《水土保持研究》[ISSN:1005-3409/CN:61-1272/P]
卷:
期数:
1985年02期
页码:
70-80
栏目:
出版日期:
1900-01-01
- Title:
- Micronutrient Content in Soils and Plants and Its Nutrient Diagnostic Target
- 摘要:
- 本文针对黄土地区微肥施用中存在的问题，研究了土壤、作物微量养分含量与施肥效应，提出了土壤、作物微量养分分级指标。初步拟定了土壤缺素临界值：有效锌、有效铜和水溶硼为0.5ppm，有效锰为7ppm，有效钼为0.05ppm，有效铁为2.5ppm。植株缺素临界值与毒害指标：锌为20ppm和400ppm，锰为30ppm和1，000ppm，硼为20ppm和500ppm。防治土壤，作物缺素的主要措施是：施用微肥，大量施用有机肥和有选择地灌溉污水也有一定作用，大量施用氮、磷化肥时应配合施用微肥。
- Abstract:
- With the aim of efficient use of micro-element fertilizer in mind, the present paper deals with micronutrient content in soils and plants. We put forword the classification target of micronutrient in soils and plants. The deficient critical limits of avaiable Zn, Cu, B were 0.5ppm, Mn 7ppm, Mo 0.05ppm, Fe 2.5ppm in soils. The critical concentration assoiated with Zn deficiency and toxicity in the plants were 20ppm and 400ppm For Zn, 20ppm and 500ppm for B, 30ppm and 1000ppm for Mn. The way to prevent micronutrient deficiency in soil and plant was to apply micronutrient fertilizer. To apply manure large quantities and to irrigate with waste water had some effect. When a large quantity of nitrogenous and phosphatic fertilizer were applied, the micro-element fertilizer must be applied.
参考文献/References:
[1] 王维敏, 建国35年来我国土壤肥料科技工作的成就, 土壤肥料, 1984 (6), 13-15页
[2] 余存祖等, 土壤有效锰(DTPA-Mn)的应用评价与临界值的探讨, 土壤学报, Vo1, 21.No, 3, 1984, 277-283页.
[3] 彭琳等, 搂土的锌肥肥效和磷、锌关系, 土壤学报, Vol.17, No, 1, 1980, 277-283页.
[4] Takkar, P.N, and Mann, M.S., Toxic Levels of Soil and Plant Zinc for Maize and Wheat, Plant and Soi1, Vo1, 49, 1978, p667-669.
更新日期/Last Update:
1900-01-01