Low potassium enhances sodium uptake in red-beet under moderate saline conditions [0.03%]
低钾促进适盐条件下甜菜对钠的吸收
G V Subbarao,R M Wheeler,G W Stutte et al.
G V Subbarao et al.
Due to the discrepancy in metabolic sodium (Na) requirements between plants and animals, cycling of Na between humans and plants is limited and critical to the proper functioning of bio-regenerative life support systems, being considered fo...
Comparative Study
Journal of plant nutrition. 2000;23(10):1449-70. DOI:10.1080/01904160009382114 2000
G V Subbarao,R M Wheeler,G W Stutte et al.
G V Subbarao et al.
Sodium (Na) movement between plants and humans is one of the more critical aspects of bioregenerative systems of life support, which NASA is studying for the establishment of long-term bases on the Lunar or Martian surface. This study was c...
Comparative Study
Journal of plant nutrition. 1999;22(11):1745-61. DOI:10.1080/01904169909365751 1999
Starch concentration and impact on specific leaf weight and element concentrations in potato leaves under varied carbon dioxide and temperature [0.03%]
淀粉浓度及其对二氧化碳和温度变化条件下的马铃薯叶片的叶面积和矿质元素的影响
W Cao,T W Tibbitts
W Cao
Foliar concentrations of starch and major elements, nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), and magnesium (Mg), along with specific leaf weight (SLW) were determined in the potato (Solanum tuberosum L.) cvs 'Denali', 'Nor...
Response of potatoes to nitrogen concentrations differ with nitrogen forms [0.03%]
氮素形态不同土豆对其浓度的反应不同
W Cao,T W Tibbitts
W Cao
Two separate experiments were conducted to investigate plant growth and mineral composition of potatoes (Solanum tuberosum L.) at varied solution concentrations of nitrate (NO3-) and ammonium (NH4+). Each experiment evaluated five nitrogen ...
Comparative Study
Journal of plant nutrition. 1998;21(4):615-23. DOI:10.1080/01904169809365429 1998
An experimental set-up to study carbon, water, and nitrate uptake rates by hydroponically grown plants [0.03%]
用于研究水培中植物碳、水和硝酸盐吸收速率的实验装置
J L Andriolo,J Le Bot,C Gary et al.
J L Andriolo et al.
The experimental system described allows concomitant hourly measurements of CO2, H2O, and NO3 uptake rates by plants grown hydroponically in a greenhouse. Plants are enclosed in an airtight chamber through which air flows at a controlled sp...
Tomato responses to ammonium and nitrate nutrition under controlled root-zone pH [0.03%]
控制根区pH条件下番茄对铵态氮和硝态氮的响应研究
M M Peet,C D Raper Jr,L C Tolley et al.
M M Peet et al.
Tomato (Lycopersicon esculentum L. Mill. 'Vendor') plants were grown for 21 days in flowing solution culture with N supplied as either 1.0 mM NO3- or 1.0 mM NH4+. Acidity in the solutions was automatically maintained at pH 6.0. Accumulation...
An evaluation of MES (2(N-Morpholino)ethanesulfonic acid) and Amberlite IRC-50 as pH buffers for nutrient solution studies [0.03%]
MES（2-(N-吗啉)-乙磺酸）和Amberlite IRC-50作为营养液研究pH缓冲剂的评价
B G Bugbee,F B Salisbury
B G Bugbee
All buffering agents used to stabilize pH in hydroponic research have disadvantages. Inorganic buffers are absorbed and may become phytotoxic. Solid carbonate salts temporarily mitigate decreasing pH but provide almost no protection against...
Comparative Study
Journal of plant nutrition. 1985;8(7):567-83. DOI:10.1080/01904168509363369 1985
T Tanada
T Tanada
The physiological role of boron in plants is depicted as that of a transducer in several processes initiated by light, gravity, and some plant hormones. Some studies had shown that these actions of light and gravity depend upon the presence...
Potassium concentration effect on growth, gas exchange and mineral accumulation in potatoes [0.03%]
钾含量对马铃薯生长、气体交换和矿物积累的影响
W Cao,T W Tibbitts
W Cao
This study was conducted to evaluate the responses of potatoes to six K solution concentrations maintained with a flow-through nutrient film system. Potato plants were grown for 42 days in sloping shallow trays containing a 1 cm layer of qu...
Effect of ammonium sulfate, ammonium chloride and root-zone acidity on inorganic ion content of tobacco [0.03%]
硫酸铵、氯化铵和根区酸度对烟草中无机离子含量的影响
J K Vessey,C D Raper Jr,L T Henry
J K Vessey
Tobacco plants (Nicotiana tabacum L. cv NC82) were supplied with (NH4)2SO4 or NH4Cl at root-zone pH of 6.0 and 4.5 in hydroponic culture for 28 days. Dry matter accumulation, total N and C content, and leaf area and number were not affected...