PUBLIC LAW 101-624—NOV. 28, 1990 104 STAT. 3625 (1) develop farming systems and practices which can prevent water contamination while maintaining and improving profitability, including— (A) integrated crop management systems; (B) sustainable agricultural practices; (C) best management practices for use of plant nutrients and animal wastes; (D) alternative methods of pest and disease control designed to integrate biological, cultural, host-resistance, and judicious use of pesticides; and (E) improved methods for the storage, use, and safe disposal of potential contaminants; (2) improve the understanding of the fate and transport of farm chemicals, plant nutrients, and animal wastes which can contaminate water and cause adverse human or environmental effects; (3) develop integrated crop production systems which are more productive, use inputs more efficiently, and are more protective of the environment, including research on— (A) nutrient management and use efficiency; (B) soil and tissue testing and nutrient availability interactions with specific cropping systems; (C) plant nutrient needs for nitrogen and elements in intensively managed cropping systems; (D) enhancement of soil productivity; (E) varietal and hybrid interactions with plant nutrient requirements and overall crop management; (F) the relationship of soil microbial activity to nutrient management; (G) suitability of cover crops in soil protection and nutrient conservation; (H) the role of crop rotations in intensively managed cropping systems; (I) legume management for nutrient conservation and environmental protection; (J) interactions of improved nutrient use efficiency and efficient water use; (K) nutrient availability interactions with soil physical conditions; (L) nutrient balance effects on improved nitrogen use efficiency and lowered nitrate carryover in soils; and (M) the importance of subsoil fertility in improved plant yields and nutrient use efficiency; (4) monitor and evaluate the extent of water contamination from agricultural production methods; (5) improve the understanding of the relationships between water use and the availability and quality of water; (6) improve the accuracy of yield and nutrient advisories; (7) improve the understanding of the ecological and biological aspects of agricultural production; (8) demonstrate the results of research conducted with funds provided under this section, undertaken in cooperation with the Extension Service, the Soil Conservation Service, and other entities; (9) reduce water contamination and improve water quality relating to the production of cut roses and other fresh cut flowers; and
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