Results 81 to 90 of about 148,010 (190)

Soybean Potassium Deficiency Symptoms During Early and Late Growing Stages

, 2018
Since early August, farmers and consultants have been reporting what they believed were potassium (K) deficiency symptoms in soybean leaves located in the middle or upper canopy.
Mallarino, Antonio
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Distribution of peroxidase activity and polyamine pattern of Heliotropium europeum in potassium deficiency conditions

, 2007
Polyamines, especially putrescine, are reported to increase in higher plants in response to various stressors, in particular mineral deficiency, low pH and different atmospheric pollutants. Peroxidases are another stress indicator in plants.
Palavan Ünsal, Narçin, Ansan, Elif Damia   +1 more
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Safflower, potassium fertilization and water deficiency

, 2020
O cártamo (Carthamus tinctorius L.) é uma planta oleaginosa que vem ganhando destaque na agricultura devido ao seu potencial produtivo de óleo, utilização na indústria alimentícia, mercado ornamental, além de indicar certa adaptabilidade a diversas ...
Silva, Dayane Mércia Ribeiro [UNESP]
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Potassium deficiency in plants - signs and responses [PDF]

, 2017
Plants receive K+ mainly from the soil through the root system. In soil, K+ occurs primarily in minerals such as mica and potassium feldspar. The availability of K+ for plant uptake depends on the form in which K+ occurs in soil. There are forms directly
Štočková, Hana
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Cocoa pod husk wastes derived biochar for overcoming potassium deficiency in organic agriculture

International Journal of Recycling of Organic Waste in Agriculture
Purpose: Potassium (K) deficiency is emerging as a significant global agricultural challenge impacting 20% of farming areas and posing a threat to food security.
Murali Gopal, Elain Apshara S. , Sathyaseelan Neenu, Alka Gupta   +3 more
doaj   +1 more source

Proteomic Analysis of Roots Response to Potassium Deficiency and the Effect of TaHAK1-4A on K⁺ Uptake in Wheat. [PDF]

Int J Mol Sci, 2022
Xu K, Zhao Y, Yu Y, Sun R, Wang W, Zhang S, Yang X.   +6 more
europepmc   +1 more source

POTASSIUM ABSORPTION AND PARTITIONING IN COTTON AS AFFECTED BY PERIODS OF POTASSIUM-DEFICIENCY

, 1991
Cotton (Gossypium hirsutum var. Latifolium) was grown in nutrient media, at two K levels: 58.5 mg/K and 11.7 mg/K. Potassium deficiency (11.7 mg K/g of K) was imposed upon cotton plants at different stages of plant development.
Mikkelsen, D. S., Rosolem, Ciro Antonio [UNESP], Rosolem, Ciro Antonio   +2 more
core   +1 more source

Amelioration of salinity toxicity in South African crop plants with special reference to maize

, 1992
Bibliography: leaves 87-101.The effects of ammonium and nitrate nutrition on potassium uptake, photosynthetic gas exchange and growth responses to salinity stress (80 mM) together with the ameliorative roles of three ranges of calcium concentrations (2.5
Tshivhandekano, Thivhulawi Robert
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The ionic balance of the sugar-beet plant

, 1975
The ionic balance of the sugar-beet plant was studied by measuring dry weight and chemical composition of every leaf, the crown and the root during the growing season.The sugar-beet plant has an almost neutral uptake.
Egmond, F., van, van Egmond, F., Van Egmond, Frans,   +2 more
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Strawberry fertilizer trial: Tests in new strawberry planting on old potassium deficient apricot land indicated no response to potash or phosphate

California Agriculture, 1957
Lassen variety strawberries replacing an Alameda County apricot orchard—pulled because of severe potassium deficiency symptoms—provided an opportunity to work with low potassium strawberries on Dublin clay soil.
E Proebsting, L Benson
doaj