【作者】 方伟； 林新春； 石柏林； 蒋婕； 李天佑； 胡超宗；

【Author】 Fang Wei Lin Xinchun Shi Bolin Jiang JieLi Tianyou Hu Chaozong(Zhejiang Key Laboratory of Modern Silviculture Technology, Zhejiang Forestry College, Lin’an 311300; Botanical Garden, Zhejiang Forestry College, Lin’an 311300; Department of Tourism, Zhejiang Forestry College, Lin’an 311300)

【机构】 浙江林学院浙江省现代森林培育技术重点实验室； 浙江林学院植物园； 浙江林学院旅游系；

【摘要】 结合浙江余杭苦竹现代科技园区建设,开展了苦竹Pleioblastus amarus需水规律的初步研究,结果表明:苦竹年需水量为687.89mm,月需水量为19.33~97.15mm,当地苦竹各月的作物系数为0.91~3.84,苦竹生理需水与生态需水各占总需水量的96.86%和3.14%,苦竹需水量与水面蒸发的回归方程为E=142.47-4.74ε+0.068ε2-0.0003ε3,生产1吨新竹需耗水96.1m3。本研究为苦竹生产合理灌溉提供了可靠依据,对苦竹稳产、高产、节水等均具有指导意义。更多还原

【Abstract】 The water required rule of Pleioblastus amarus for 1 year has been studied preliminarily, and the results are as follows: the annual water requirement is 687.89mm, the monthly water requirement ranges from 19.33mm to 97.15mm, the Kc value varies from 0.91 to 3.84, and the percentage of physiological water requirement and ecological water requirement to the total water requirement are 96.86% and 3.14%, respectively. A mathematical model between water requirement of Pl. amarus and water level evaporate is established: E=142.47-4.74ε+0.068ε2-0.0003ε3. At last, the relationship between the water requirement and the new bamboo yield is analysed, 96.1m3 water is needed for 1 ton new bamboo yield. These results can be applied to appropriate irrigation of Pl. amarus.更多还原