نتایج جستجو برای: till planting system

تعداد نتایج: 2255305  

2005
Roderick M. Rejesus Ashley C. Lovell Bertis B. Little Mike H. Cross

This study examines the factors that determine the likelihood of submitting a potentially fraudulent prevented planting claim. A theoretical model is developed and the theoretical predictions are empirically verified by utilizing a binary choice model and crop insurance data from the southern United States. The empirical results show that insured producers with higher prevented planting coverag...

2011
Luz Claudio

Poor indoor air quality has been linked to health problems, especially in children. Asthma has reached epidemic proportions among multiple age groups and is considered the most common chronic disease in urban-dwelling children. The American Academy of Allergy, Asthma and Immunology Indoor Allergen Committee suggested in a 2010 report that allergists consider indoor air filtration to be part of ...

2007
Todd Browne

Serr variety to which all rootstocks were (!.raftedhas grown and produced on all rootstock selections although some have grown faster and produce more than others. Northern California Black Walnut (Juglans hindsii) and ~. major grow to moderate size and have good production potential. The paradox seedling, paradox cutting and Royal seedling grow to large size and have a good production potentia...

2017
Tanzeelur Rahman Xin Liu Sajad Hussain Shoaib Ahmed Guopeng Chen Feng Yang Lilian Chen Junbo Du Weiguo Liu Wenyu Yang

Optimum planting geometries have been shown to increase crop yields in maize-soybean intercrop systems. However, little is known about whether changes in planting geometry improve the seasonal water use of maize and soybean intercrops. We conducted two different field experiments in 2013 and 2014 to investigate the effects of changes in planting geometry on water use efficiency (WUE) and evapot...

2016
Md. Enamul Haque Richard W. Bell Amir Kassam

Smallholders in Asia and Africa require low-cost seed drills for minimal soil disturbance while establishing various crops. A seed drill that can be drawn by the widely-available two-wheel tractor (2WT) is an attractive option for mechanization of no-till in small-sized fields. The Versatile Strip Seed Drill (VSSD) was designed with the capacity to make up to 40 mm wide and 60 mm deep strips in...

2007
M. Chad Lincoln Rodney E. Will Lawrence A. Morris Emily A. Carter Daniel Markewitz John R. Britt Ben Cazell Vic Ford

To determine the relationship between changes in soil physical properties due to tillage and growth of loblolly pine (Pinus taeda L.) seedlings, we measured soil moisture and penetration resistance for a range of tillage treatments on two Upper Coastal Plain sites in Georgia and correlated these measurements to the growth of individual seedlings. The five tillage treatments were: no-till (NT), ...

2002
W. W. Shilts

and Vagners (1971, 1972) expressed this phenomenon elegantly by introducing the concept of "terminal mode" for the optimum grain size to which a mineral can be reduced, given the force and energy typically available in the glacial environment. Thus, hard, uncleaved or poorly cleaved minerals such as quartz, fcldspar, garnet, pyrite and magnetite dominate either the medium or the fine sand fract...

Journal: :Kansas Agricultural Experiment Station Research Reports 2021

Beginning in 2012, research was conducted Garden City and Tribune, KS, to determine the effect of a single tillage operation every 3 years on grain yields wheat-sorghum- fallow (WSF) rotation. Grain wheat sorghum were generally not affected by WSF yield varied greatly year from 2014 2020. Wheat ranged across mid-20s 90 bu/a at Tribune less than 10 100 City. 40 greater 140 bu/a, depending upon l...

Journal: :Tidsskrift for Den norske legeforening 2019

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