Dry matter and nitrogen accumulation are not affected by superoptimal concentration of ammonium in flowing solution culture with pH control [0.03%]
在控PH条件下，高铵浓度下营养液培的干物重和氮素积累未受影响
J W Rideout,C D Raper Jr
J W Rideout
While it is known that superoptimal concentrations of the nitrate (NO3-) ion in solution culture do not increase NO3- uptake or dry matter accumulation, the same is not known for the ammonium (NH4+) ion. An experiment was conducted utilizin...
Root-zone acidity affects relative uptake of nitrate and ammonium from mixed nitrogen sources [0.03%]
根区酸度影响植物对混合氮源中硝酸盐和铵的相对吸收量
J K Vessey,L T Henry,S Chaillou et al.
J K Vessey et al.
Soybean plants (Glycine max [L.] Merr. cv Ransom) were grown for 21 days on 4 sources of N (1.0 mM NO3-, 0.67 mM NO3- plus 0.33 mM NH4+, 0.33 mM NO3- plus 0.67 mM NH4+, and 1.0 mM NH4+) in hydroponic culture with the acidity of the nutrient...
A data base of crop nutrient use, water use, and carbon dioxide exchange in a 2O square meter growth chamber: I. Wheat as a case study [0.03%]
一个20平方米培养室内的作物养分利用、水分利用和二氧化碳交换数据库：以小麦为例的研究
R M Wheeler,W L Berry,C Mackowiak et al.
R M Wheeler et al.
A data set is given describing the daily nutrient uptake, gas exchange, environmental conditions, and carbon (C), and nutrient partitioning at harvest for the entire canopy and root system of a wheat crop (Triticum aestivum, cv. Yecora Rojo...
Study of various NH4+/NO3- mixtures for enhancing growth of potatoes [0.03%]
用于增强马铃薯生长的NH4+/NO3-混合物的研究
W Cao,T W Tibbitts
W Cao
Two experiments were conducted to determine the effects of various NH4(+)-N/NO3(-)-N percentages on growth and mineral concentrations in potato (Solanum tuberosum L.) plants using a non-recirculating nutrient film system in a controlled env...
Growth, carbon dioxide exchange and mineral accumulation in potatoes grown at different magnesium concentrations [0.03%]
不同镁浓度下马铃薯的生长、二氧化碳交换和矿质积累研究
W Cao,T W Tibbitts
W Cao
Plants of Norland potatoes (Solanum tuberosum L.) were maintained for 42 days at Mg concentrations of 0.05, 0.125, 0.25, 1, 2, and 4 mM in a nonrecirculating nutrient film system under controlled environment. With the increased Mg supply fr...
Effects of root-zone acidity on utilization of nitrate and ammonium in tobacco plants [0.03%]
根系土壤酸度对烟草植株硝酸盐和铵盐利用的影响
L T Henry,C D Raper Jr
L T Henry
Tobacco (Nicotiana tabacum L., cv. 'Coker 319') plants were grown for 28 days in flowing nutrient culture containing either 1.0 mM NO3- or 1.0 mM NH4+ as the nitrogen source in a complete nutrient solution. Acidities of the solutions were c...