Amide herbicides are the most important same species of the paddy field herbicides, however they cause the phytotoxicity easy.
酰胺类除草剂是水田除草剂中重要的一类，但是易对幼嫩水稻产生药害。
The suitable soil moisture range was 70% or so. High soil moisture could cause phytotoxicity while low soil moisture could reduce the mixture effect.
该混剂药效发挥的适宜土壤湿度范围是70％左右，土壤湿度过高易造成药害，过低降低药效。
Using the plant materials with contrast Al tolerance as found in this study will help to clarify mechanisms of Al phytotoxicity and resistance in plants.
本研究所得到的植物材料有助于对植物铝毒和耐性机理的深入研究。
BTH had a higher efficiency to induce GUS expression than SA indicated by GUS staining strength and had no phytotoxicity to plant within effective concentration.
化学诱导剂BTH的诱导效率高于SA，且在有效诱导浓度范围内对植株没有生理毒性或所产生的生理毒性难以从表象观察到。
Pesticides commonly used during the tobacco seedling stage were spray applied at both recommended and higher rates to determine phytotoxicity in a greenhouse floating seedling assay.
在漂浮育苗大棚内，选取烟草苗期常用农药，以推荐剂量和超推荐剂量，采用喷雾方式进行药剂药害试验。
Pot experiments and field trails were conducted to study the effect of soil lead levels on phytotoxicity, growth and tissue accumulation in soybean and rice grown on sludge treated calcareous soil.
采用盆栽和小区试验，研究在石灰性土壤上污泥施肥时铅污染对水稻和大豆生长发育的影响，两种作物对土壤中铅的吸收、迁移和累积规律。
Pot experiments and field trails were conducted to study the effect of soil lead levels on phytotoxicity, growth and tissue accumulation in soybean and rice grown on sludge treated calcareous soil.
采用盆栽和小区试验，研究在石灰性土壤上污泥施肥时铅污染对水稻和大豆生长发育的影响，两种作物对土壤中铅的吸收、迁移和累积规律。
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