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- river alluvial vegetable soil 冲积菜园土
- But there were not the same tendency in different soils and for different nitrification inhibitors,the yield of pakchoi was higher in red vegetable soil than that in alluvial vegetable soil. DCD had the best effect among 3 nitrification inhibitors. 3种硝化抑制剂均可不同程度地提高小白菜的产量;也以双氰胺的效果最好;且在红菜园土上的增产效果要比冲积菜园土上显著.
- The soil tested was derived from river alluvial material, selected soil characteristics are given in Table1. 供试土壤衍生于河流冲积物,土壤主要农化性状由表1给出。
- The soil tested was derived from river alluvial material, selected soil characteristics are given in Table 1(Table 1.Selected Soil Characteristics ). 供试土壤衍生于河流冲积物,土壤主要农化性状由表1给出。
- Department ofgu an xian Haihe River alluvial plain of the Yongding River. 固安县系海河水系的永定河冲积平原。
- The landform on which ancient human activity relic located was interfluvial floodplain on Yongding River Alluvial Fan. 古人类活动遗址所处地貌部位为古永定河冲积扇的河间冲积平原。
- Sand the surface to the Pearl River alluvial from a sandbank, known as early in the quicksand, pick up Tsui Island. 沙面原为珠江冲积而成的一个沙洲,早期称为中流沙、拾翠洲。
- The vegetable soil developed from river alluvium had much higher nutrient contents in total phosphorus and potassium than that of the reddish vegetable soil developed from Quaternary Red Clay. 冲积菜园土的土壤全磷和全钾含量高于红菜园土。
- Mainly by the Juma River, Yasumizu, Caohe, Longquan River, Tanghe, elimination River alluvial materials piled up after a pass made, hydraulic cutting, gully development. 主要由拒马河、易水、漕河、龙泉河、唐河、消河出山口后洪积物堆积而成,水力切割,冲沟发育。
- Severe leakage also occurred on the accumulative nutrient in greenhouse vegetable soil. 大棚菜地土壤中累积的养分还存在严重的淋溶现象。
- The adsorption of chlordimeform on red soil and vegetable soil was studied in thes work. 本文研究了杀虫剂杀虫脒在红壤和菜园上中的吸附。
- The case of the Yellow River alluvial plain, temperate continental monsoon climate, flat, fertile land, natural conditions for agricultural production, rich in peanuts, wheat, corn and other crops. 属黄河冲积平原,温带大陆性季风气候,地势平坦,土地肥沃,农业生产条件得天独厚,盛产花生、小麦、玉米等农作物。
- One incubation and two leaching experiments were conducted to investigate the effect of supplied element sulphur (S0) and DCD on leaching loss of NO3-from vegetable soil, and nitrification of soil NH4+. 本研究通过室内土壤培养和温室盆栽淋洗试验,对元素硫(S~0)、双氰胺(DCD)及其组合对不同性质的两种蔬菜地土壤NH_4~+硝化,NO_3淋溶损失和土壤无机氮含量、pH的影响及其作用机理进行了研究。
- Low-lying alluvial land adjacent to a river. 低洼地,滩地与河流邻接的低洼冲积地带
- WEI W L. The aftermath of partial-using of chemical fertilizer for vegetable soils and its countermeasure[J]. Fujian agricultural science, 1998(1): 25. 魏文麟.;菜地偏施化肥的后果与对策[J]
- SOIL WATER REGIME IN POPULUS EUPHRATICA FOREST ON THE TARIM RIVER ALLUVIAL PLAIN 塔里木河冲积平原胡杨林的土壤水分状况研究
- polytunnel greenhouse vegetable soil 蔬菜塑料大棚
- STUDY OF THE GENESIS AND ENGINEERING CHARACTERISTICS OF CHANGJIANG RIVER ALLUVIAL FLAT SOFT SOIL OF A POWER PLANT 某电厂长江漫滩相软土成因及工程特性研究
- This paper probes into the NH 4 + N, NO 3 - N concentration dynamics on DMPP (3,4 dimethylpyrazole phosphate) in vegetable soils under fertilized condition with aerobic cultivation. 为进一步完善蔬菜硝酸盐污染的调控技术体系 ;采用好气培养法研究了新型硝化抑制剂 3;4 -二甲基吡唑磷酸盐 ( DMPP)对菜园土壤 NH4 +- N;NO3- - N含量的影响 .
- Evolvement of Eco-environment of Luanhe River Alluvial Fan and Countermeasures 滦河冲洪积扇生态环境的演变及对策