The effect of animal manure on the soil characters and productivity of grassland
1989
Chung, C. | Jeon, B.T. (Konkuk Univ., Chungju (Korea R.). Coll. of Natural Scienes)
This experiment was conducted to investigate the effect of animal stable manure on the dry matter yield, botanical composition, crude protein content rates, in vitro digestibility and soil characters with treatments, which were divided into cattle manure, swine manure and poultry excreta of 375 and 750 Kg/10a, respectively. A comparison made on the grass yield for one year period following the termination of the experiment did not indicate any signification in the yield of dry matter difference between chemical fertilizer treatment and 750 Kg/10a of organic manure. Botanical composition was not shown an increasing of weed or bare land in organic manure of 375 and 750 Kg/10a application during the whole period of growth. Crude protein content and in vitro digestibility were shown an increasing tendency according to the increase of organic manure application. Crude protein yield in organic manure of 750 Kg/10a was not a large difference compared with chemical fertilizer treatment. Soil composition of organic manure had higher than the soil composition of chemical fertilizer treatment, which was shown an increasing tendency according to the increase of organic manure. Therefore, it was suggested that the effect of organic manure on dry matter yield, botanical composition was similar to chemical fertilizer treatment and soil composition of organic manure had higher organic matter, available phosphate, potassium and C.E.C than the soil composition of chemical fertilizer treatment
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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