Teng Fei, Liu Yong, Lou Jun Shan, Sun Qiao Yu, Wan Fang Fang, Yang Chen, Zhang Jin
Ministry of Education Key Laboratory for Silviculture and Conservation, Beijing Forestry University, Beijing 100083, China.
Ying Yong Sheng Tai Xue Bao. 2016 Dec;27(12):3889-3894. doi: 10.13287/j.1001-9332.201612.033.
Excessive use of peat may cause some environmental problems. To alleviate the negative effect, an experiment was conducted with the mushroom residue compost to replace peat in Larix principis-rupprechtii containerized transplant production, and the proportion of mushroom residue compost was 0% (T, control), 15% (T), 18.75% (T), 25% (T), 37.50% (T), 50% (T), 56.25% (T) and 60% (T), respectively. The physical and chemical features of the substrates and its effect on the vegetative growth and nutrient accumulation of L. principis-rupprechtii containerized transplants were studied. The results showed when the proportion of mushroom residue compost in the substrate accounted for 50% or less, there was no significant difference in the transplant height, diameter, and biomass compared with the control, and the nutrient concentration in T, T, T treatments was significantly higher than in T. The pH value was sub-acidic to neutral which was suitable to the transplant growth. When the compost proportion accounted for more than 50%, the pH value was altered to alkali and was not suitable to the transplant growth. When the proportion of mushroom residue compost accounted for 15%, the plant grew best, and the height, diameter, and total biomass got the highest. Therefore, using mushroom residue compost to replace peat in L. principis-rupprechtii containerized transplants cultivation was feasible and the maximum replacement ratio could reach 50%. The high quality transplants could be obtained when the compost replacement ratio was 15%.
过度使用泥炭可能会引发一些环境问题。为减轻负面影响，开展了一项实验，用蘑菇渣堆肥替代华北落叶松容器苗生产中的泥炭，蘑菇渣堆肥的比例分别为0%（T，对照）、15%（T）、18.75%（T）、25%（T）、37.50%（T）、50%（T）、56.25%（T）和60%（T）。研究了基质的理化特性及其对华北落叶松容器苗营养生长和养分积累的影响。结果表明，当基质中蘑菇渣堆肥比例占50%及以下时，与对照相比，苗木高度、地径和生物量无显著差异，且T、T、T处理的养分浓度显著高于T。pH值呈微酸性至中性，适宜苗木生长。当堆肥比例超过50%时，pH值变为碱性，不适宜苗木生长。当蘑菇渣堆肥比例为15%时，植株生长最佳，高度、地径和总生物量最高。因此，在华北落叶松容器苗栽培中用蘑菇渣堆肥替代泥炭是可行的，最大替代比例可达50%。当堆肥替代比例为15%时，可获得优质苗木。
