Search Results

You are looking at 31 - 40 of 150 items for :

Clear All
Free access

Loutrina Staley, D.G. Mortley, C.K. Bonsi, A. Bovell-Benjamin and P. Gichuhi

MB and PL enhanced β-carotene in Amaranth compared with NPK but that of Celosia and Gboma was enhanced by MB and NPK fertilizer. Total phenolic content was higher among Amaranth plants receiving NPK, whereas those for Long Bean were greater among

Free access

R. Paul Schreiner and Carolyn F. Scagel

( Cook, 1966 ). The early work focused on sampling at four times, and this was later reduced to bloom and veraison. The leaf blades (or lamina, being the primary site of photochemistry) subsequently became the standard tissue for diagnosing vine nutrients

Free access

Rizwan Maqbool, David Percival, Qamar Zaman, Tess Astatkie, Sina Adl and Deborah Buszard

production cycle in the form of leaf drop in fall and every 2 years in the form of pruning when the plants are mowed after harvest. As a result, wild blueberry soils contain as much as 10% organic matter ( Kinsman, 1993 ). The wild blueberry fields have a

Full access

Xiaofeng Yang, Lianzhu Chen, Ming Cao, Xuebin Zhang and Shaopeng Li

plot (three plants in total for each treatment) was randomly selected for destructive growth dynamics measurements once every 15 d since the planting date. The measurements of leaf included the length and area of each leaf node (LI-3000A; LI-COR Inc

Free access

Hala G. Zahreddine, Daniel K. Struve and Salma N. Talhouk

fertilizer treatment was done on 12 May 2004 before the start of the experiment and a second harvest on 24 Sept. 2004. At each harvest, height and caliper were measured on the harvested as well as all other trees, whereas leaf area was measured on the 10

Free access

Xiaofeng Yang, Gang Li, Weihong Luo, Lili Chen, Shaopeng Li, Ming Cao and Xuebin Zhang

incline leaf chlorophyll content, the activity of nitrate reductase, the LAI and leaf photosynthetic rate, and then significantly increased dry matter production and nitrogen absorption ( Cabello et al., 2009 ; Kirnak et al., 2005 ; Padilla et al., 2014

Full access

M. Leonard Wells and Bruce W. Wood

. The relationship between leaf mineral nutrient concentrations is well understood for the lower critical level regarding manifestation of visual symptoms pertaining to deficiency of essential mineral nutrients, although this relationship to yield is not

Full access

Lauren Lindsey, Raymon Shange, Ramble O. Ankumah, Desmond G. Mortley and Sangita Karki

production showed that leaf N, P, and K concentrations were greatest in the compost/cover crop combination compared with the other systems ( Treadwell et al., 2008 ). Other studies found greater P, Mg, and Fe levels in organic systems and those mineral

Full access

Yin-Tung Wang and Yao-Chien Alex Chang

and Lin (1987) reported that phalaenopsis leaf size increased when the minerals in Johnson’s solution increased from one-fourth to full strength (plants grown in sand). Using several water-soluble fertilizer formulations (Peters; Everris NA, Dublin

Free access

R. Paul Schreiner and Carolyn F. Scagel

used for all analyses. For Expt. 1, root length, % AMF colonization, and % arbuscules data were analyzed by ANOVA with three treatments (control, defoliated, + NPK) and five sampling times as main effects in a complete factorial design. Leaf dry weight