بررسی اقتصادی رفتار کشاورزان در استفاده از کودهای حیوانی در سطح مزرعه در شهرستان اسفراین

Abstract Unbalance using of chemical fertilizers cause decline the soil quality and fertility, environmental pollution and specially soil and water resources pollution. The use of animal manure is a replacement to chemical fertilizers. Therefore, recognizing of demographic, technical-extensional and... View More