Photosynthetic characteristics of several gramineous weeds during fructification period in dry farmland .

旱田几种禾本科杂草结实期光合特性的研究。

Table 2 the synergism of methyl oleate adjuvant on sethoxydim and acifluorfen controlling gramineous weeds .

油酸甲酯助剂对稀禾啶和三氟羧草醚防除禾本科杂草的增效作用。

Try proved recipe way with long-term fixed position , studied immature soil of red earth of 3 kinds of models austral hunan fertilizes for a long time 26 years to produce the effect of the quantity to gramineous crop .

以长期定位试验方法,探究了湘南3种典型红壤生土26年长期施肥对禾本科作物产量的影响。

The species sequence of root growth resistance to se was : wheat and barley ( gramineous ) was the highest , followed by broccoli and radish ( cruciferous ) , and then was medic ( leguminous ) , parsley ( umbelliferous ) was the lowest .

科属间对硒的抗性为：禾本科小麦和大麦最强，十字花科花椰菜和萝卜次之，豆科苜蓿较差，伞形科欧芹最差。

Kind the benefit of birds of cultivate of gramineous breed aquatics reachs concerned issue .

种草养殖畜禽的效益及有关问题。