冬大豆生产上存在的主要问题是冬，春期间寒潮袭击，低温冷寒使冬大豆的生长发育受阻，产量低。
The main problem in production of winter soybean is the crops suffered from destructive cold wave during winter and spring. It made winter soybean inhibit in their growth and get low yield.
除草剂药害对大豆正常生长发育产生明显的影响。
The effect of herbicide damage on the growth and development of soybean was evident.
大豆田土壤微生物的数量变化与大豆生长发育状况相关性不明显。
The quantity variety and soybeans of the soybean farmland soil microorganism grow to develop the condition relativity not obvious.
利用大型真空干燥器，测定了大豆在不同生长发育阶段地上部分氨的挥发损失。
Large vacuum desiccator was used to collect ammonia volatilized from above ground parts of soybean during its growth period.
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.
本试验采用盆栽试验研究光照、水分与硼对生长发育和产量的影响，明确不同气候条件与硼对大豆的作用。
Experiments were conducted to investigate effects of different illumination, soil moistures and boron on the growth and yield of soybean by pot cultured.
周启星， 梁仁禄，王新采用盆栽实验的方法研究了土壤外源汞对大豆幼苗生长发育的影响。
Pot experiment studies were conducted on soil treated with mercury to probe the effectiveness of the heavy metal on soybean seeding growth.
应用大豆残茬浸提液处理及大豆残茬砂培等方法研究了大豆残茬对后茬大豆生长发育的影响。
The influence of stubble on the growth and development of soybean was studied in the liquid and sand cultures with the macerated liquid and mashed matter of soybean stubble.
应用大豆残茬浸提液处理及大豆残茬砂培等方法研究了大豆残茬对后茬大豆生长发育的影响。
The influence of stubble on the growth and development of soybean was studied in the liquid and sand cultures with the macerated liquid and mashed matter of soybean stubble.
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