Browse on keywords: crop rotation fertility economics
Search results on 09/21/18
5181. Peterson, P.P.. 1919. Soil and climatic factors in relation to crop production on the Palouse.. ID Agr. Expt. Sta. Bull. #118.
8 rotations with N, P, K trts; clear response to N - 3 bu/ac on wheat at 200 #/ac NaNo3; manure response = 6 bu/ac; wheat yielded same after potatoes and fallow than peas or corn; made the most money with wheat/oats/peas ($51/ac/yr); ave. oat yield 1916 = 70+ bu/ac, 1918 = 26 bu/ac. Wheat, oats more affected by drought than corn or potatoes; this is the first mention of statistical methods. T: fertilizer response, rotation X net return.
11204. Matheson, N., B. Rusmore, J.R. Sims, M. Spengler, and E.L. Michalson. 1991. Cereal-legume cropping systems: nine farm case studies in the dryland northern plains, Canadian prairies, and intermountain Northwest.. AERO, 44 N. Last Chance Gulch, Helena, MT 59601.
The farm case studies presented in this book include details of the crop rotations, tillage, fertilization, and pest control practices used by the farms. Farms were chosen for their innovative or alternative practices. Partial budgets for each crop on each farm are presented to provide a reference point for the economic performance of alternative dryland cropping systems. Comparisons with more conventional systems are not made.