查询词典 rye grass

Incubation and pot experiments were carried out to study the changes of inorganic-P frac- tions in calcareous soils after application of pig slurry and P fertilizer and their contribution to the amount of P uptake by rye grass.

通过室温培养一盆栽试验研究了施用猪粪和磷肥后石灰性土壤无机磷组分的变化以及不同无机磷组分对黑麦草吸磷量的贡献。

Effects of application of pig slurry and P fertilizer on the changes of soil inorganic P fractions and their contribution to P uptake by rye grass were studied in incubation method and pot experiments.

通过土壤室温培养—盆栽试验研究了施用猪粪和磷肥后石灰性土壤无机磷组分的变化以及不同无机磷组分对黑麦草吸磷量的贡献。

The results indicated that phosphorus concentration of soil solution was around 0.1 ppm P which could not satisfy the requirement of rye grass.

如沙土含CaCO3约7肠，淤土可达15肠。土壤普查结果表明，该地区土壤全磷含量不低(。。13一。。16肠PZO，)，而有效磷含量很低。

Because of low level of labile P in these soil the buffering capacity, calculated by twosur face Langmuir equation, was negatively correlated with P uptake by rye grass.

本研究主要是探讨徐淮地区石灰性土壤供磷的数量、强度、缓冲容量和土壤磷释放速率与黑麦草吸磷量的关系，为评价土壤供磷状况和合理施用磷肥

Thebest measurement of soil conservation in these experimentswas intercropping rye grass.

紫云英和黑麦草混播区次之，紫云英区域第三，自然裸露区的土壤流失量最大。

Identification transgenic rye grass by PCR and herbicide spraying,there wcrc six transgcnic lines, and one of them was significantly different from control plants.T5 was with strong sprouts and long roots.

对转基因植株进行分子鉴定和除草剂Basta抗性实验，结果表明有六株转基因再生苗，其中五株是通过农杆菌介导转化后获得的。

The group examined wild oats and rye grass in the Australian cropping system, and weeds in rice fields in Japan.

科学家指出，这种技术可以帮助农民更经济更有效地将除草剂用于各种作物之间。

So wc concluded that HS1 had the same strcss tolcrancc ability in thc rye grass,which was suitablc for hcrcdity improvcmcnt.

因此，我们认为来源于拟南芥的HS1基因在黑麦草中同样具备抗旱耐盐的生理功能，是一个适合用做抗旱耐盐遗传改良的重要基因。

The quantity factor (resin P, E value and Cowell-P) was significantly correlated with P uptake by rye grass and predicted the status of soil P of these soils satisfactorily.

经过多年施用磷肥，土壤有效磷含量提高不多。因此，研究石灰性土壤中磷的供应特性引起大家的重视。

The quantity, intensity, buffer capacity and rate factor of soil P availability for 11 calcareous soils were measured by chemical and physicochemical methods and the amount of phosphorus uptaken by rye grass was obtained by pot experiment.

徐淮地区位于黄河故道，该地区的石灰性黄潮土主要由黄泛冲积物质发育而成〔，'''。由于黄河泛滥，于河道两岸有规则地分布着沙土、二合土和淤土。土壤中碳酸钙含量因土壤质地而异。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。