Show saving farm land by six point program fertilization plays most important part A six point soil fertility and conservation program for combating the inroads of erosion was described by paul M burson and 0 0 rost agronomists of the university of minnesota the six steps recommended recommend ed are I 1 drainage and cultivation 2 liming acid s soils oils 3 crop rotation 4 maintaining soil organic matter 5 use of commercial fertilizers 6 LEro erosion sion control practices keeping a farm permanently productive necessitates a program of true soil conservation the agronomists point out in recent years the term soil conservation has been widely used in connection with the physical control of erosion by wind and water much emphasis sis has been placed on this phase of soil conservation through the encouragement coura gement of such practices as contouring strip cropping and ter racing valuable as these practices are they do not correct the basic causes which make soil erosive only by proper land use and intelligent management of the soil can economic levels of fertility be safeguarded st M V az vi P anor one of six steps recommended liming a acid d soils and unnecessary wastage from erosion be avoided many of our soils are producing lower yields than they once did di d and fertilizer trials show increased responses spon ses nutrients are removed from the farm most rapidly by cash crops all livestock and livestock products also remove nutrients but less rapidly since part is returned in the manure A soil conservation program must include the use of fertilizers to replace the mineral nutrients sold from the farm |