[Meadow clover yield and quality depending on doses and correlations of mineral fertilizers on sod-podzolic light loamy soil]

application rates belarus calidad dose d'application efficiency eficacia facteur de rendement factores de rendimiento fertilidad del suelo fertilisation fertilizer application loam soils mineral nutrients nutrientes minerales poa pratensis podzol podzoles podzols quality recherche research sandy soils sodic soils soil fertility sol sableux sol sablolimoneux sol sodique suelo arenoso suelo franco yield factors