Preand postharvest contamination of aflatoxin in maize is a major health deterrent for people in Africa where maize production has increased dramatically. This chapter highlights management options for preand postharvest toxin contamination in maize. Sound crop management practices are an effective way of avoiding, or at least diminishing, infection by Aspergillus jlavus and subsequent aflatoxi...

We consider the Ehrhart h∗-vector for the hypersimplex. It is well-known that the sum of the hi is the normalized volume which equals an Eulerian number. The main result is a proof of a conjecture by R. Stanley which gives an interpretation of the hi coefficients in terms of descents and excedances. Our proof is geometric using a careful book-keeping of a shelling of a unimodular triangulation....

We provide an explicit formula for the toric h-contribution of each cubical shelling component, and a new combinatorial model to prove Clara Chan’s result on the non-negativity of these contributions. Our model allows for a variant of the GesselShapiro result on the g-polynomial of the cubical lattice, this variant may be shown by simple inclusion-exclusion. We establish an isomorphism between ...

Dedicated to Gian-Carlo Rota on his 2 6 th birthday. Abstract The linear span of isomorphism classes of posets, P, has a Newtonian coalgebra structure. We observe that the ab-index is a Newtonian coalgebra map from the vector space P to the algebra of polynomials in the non-commutative variables a and b. This enables us to obtain explicit formulas showing how the cd-index of the face lattice of...

Three commercial peanut varieties (Starr Spanish, Florunner, and Florigiant) were grown in field plots treated with 0, 1, and 4 kg dieldrin per hectare. Soil samples were taken at planting; soil and aerial portions were sampled 10 weeks into the growing season. Peanuts were grown to maturity (16 weeks), harvested, and dried before shelling. Soils, hay, shells, and meats were analyzed for dieldr...

The author of this essay searches for traces confirming the influence cinema on Wiesław Myśliwski’s life and works. Despite fact that writer acknowledged his love cinema, aspect is overlooked in discussions oeuvre. Myśliwski himself also does not devote much space to it recently published collection texts interviews W środku jesteśmy baśnią. Mowy i rozmowy [We are a Fairy Tales Within: Speeches...