Réeactions cutanées II

Distribution and redistribution of dry matter in perennial fodder crops.

“…Betuwe Clav J H Z.W-Friesland Clay FIG. 2 has been taken from VAN STEENBERGEN (1961) and shows the yields on dry matter of grassland in various parts of the Netherlands averaged over 13 years, this grassland being subjected to standardized treatment and fertilization. The amount of dry matter harvested lags considerably behind that potentially possible.…”