Search Results

You are looking at 11 - 20 of 132 items for :

  • Four Rs Principles x
  • Refine by Access: All x
Clear All
Free access

James M. Rutledge, Daniel V. Weisenberger, and Zachary J. Reicher

RSBG with minimal seedling CBG cover reduction. Materials and Methods Four separate studies on either CBG or RSBG were conducted in spring or fall of 2007 and repeated in 2008 to simulate spring or fall fairway establishment. Studies were

Free access

Sohrab Davarpanah, Ali Tehranifar, Gholamhossein Davarynejad, Mehdi Aran, Javier Abadía, and Reza Khorassani

–P–K fertilizers at 150:150:150 g/tree. The experiment was carried out based on completely randomized block design with five treatments and four replications per treatment (each replication consisted in a single tree). Trees used in the 2015 season were different

Full access

Gerardo Lopez, Romeo R. Favreau, Colin Smith, and Theodore M. DeJong

explained later. Fig. 2. Conceptual framework of the L-PEACH-d model. Actual environmental data files are used as inputs. The model contains four major components, which involve sub-models for simulating dry matter partitioning and growth responses to

Free access

William L. Bauerle and Joseph D. Bowden

Carolina grown red maple cultivars [‘Summer Red’ (SR), ‘October Glory’ (October Glory®) (OG), ‘Autumn Flame’ (AF), and ‘Franksred’ (Red Sunset®) (RS) and one Freeman maple cultivar, Jeffersred (Autumn Blaze®) (AB) and used to parameterize MAESTRA. Plants

Free access

Scott B. Lukas, Joseph DeFrank, and Orville C. Baldos

has been exposed to unfavorable conditions of temperature or humidity ( Barton, 1961 ). The impact of storage conditions on nonscarified PY dormant Cassia angustifolia seed was determined for four levels of RH (5.5%, 11%, 33%, and 75%), established

Open access

Nicola Dallabetta, Andrea Guerra, Jonathan Pasqualini, and Gennaro Fazio

Adige Valley. Soil was a sandy loam with a pH of 7.7. Scion varieties ‘Buckeye ® Gala Simmons’, ‘Fuji Kiku ® Fubrax’, and ‘Golden Delicious clone B’ were grafted in Aug. 2012 on four rootstock genotypes: two Malling series (‘M.9-T337’ and ‘M.116’) and

Full access

Xinhua Yin, Jinhe Bai, and Clark F. Seavert

. Single-line surface drip irrigation and single surface broadcasting of N and P fertilizers had been used to manage this block before the initiation of this trial. The study was conducted using a randomized complete block design with four replications

Free access

Joseph G. Robins, B. Shaun Bushman, Blair L. Waldron, and Paul G. Johnson

significantly lower salinity tolerance than the low control (‘Thermal Blue’) for LD 50 and LD 75 ( Table 1 ). This group included six accessions of kentucky bluegrass, four accessions of Sandberg bluegrass, and three accessions of fowl bluegrass. All other

Full access

Igino Teolis, Ellen B. Peffley, and David B. Wester

. Participants consisted of students who were enrolled in the regular laboratory sections of Principles of Horticulture at Texas Tech University. One of the laboratory sessions focused on the identification of herbaceous plants. Materials. Materials for this

Full access

Katie Ellis, Tara Auxt Baugher, and Karen Lewis

follows: 74 owner/principles, 19 managers, 7 employees, and 11 “other” participants. Growers of 11 different tree fruit and vine crops were represented, with a total of 17,279 acres managed. Nearly all growers managed at least 1 acre of apples ( Malus spp