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锰是植物生长不可缺少的微量元素之一。不同土壤,作物施用锰肥及用量范围应有选择。新疆灌耕灰漠土有效锰含量严重不足。为探明该土壤施用锰肥对作物的效应及适宜用量的临界范围,于1986—1988年间进行了春麦施用锰肥的效应试验,现将试验结果总结如下: 一、试验材料和方法 1.盆栽试验 供试土壤养分含量为:有机质1.4％,碱解氮81ppm,速效磷(P_2O_5)8.5ppm,土壤有效锰3.98ppm,PH8.4(1:1)。试验采用口径为27厘米、深28厘米的塑料桶。每桶装风干过筛土13公斤。每公斤土施硫酸铵0.25克,重过磷酸钙0.06克。肥料以90％做基肥,10％做种肥。 锰肥用量设七个水平:施锰(Mn)分别为0,0.25、0.5、1、2、4、6毫克/公斤土。锰肥均以种肥施用。1986年
Manganese is one of the trace elements essential for plant growth. Different soil, crop application of manganese fertilizer and dosage range should be selected. In Xinjiang, the effective manganese content of gray desert soil is seriously insufficient. To find out the effect of applying Mn fertilizer on crops and the critical range of suitable dosage, the effect experiment of applying Mn fertilizer to spring wheat was conducted from 1986 to 1988. The test results are summarized as follows: I. Materials and Methods 1. Potted The nutrient contents in soil were 1.4% of organic matter, 81ppm of alkaline hydrolysis nitrogen, 8.5ppm of available phosphorus (P2O5), 3.98ppm of soil available manganese and 1: 1 of PH8.4. The test uses a caliber of 27 cm, 28 cm deep plastic bucket. Per barrel 13 kg of air dried sift. Ammonium sulfate per kilogram of soil 0.25 grams, 0.06 grams of superphosphate. 90% of fertilizer to do basal fertilizer, 10% do kind of fat. Manganese fertilizer set at seven levels: manganese (Mn) were 0,0.25,0.5,1,2,4,6 mg / kg soil. Manganese fertilizer are applied to the kind of fertilizer. 1986