نتایج جستجو برای: planning for planting systems
تعداد نتایج: 10685854 فیلتر نتایج به سال:
background over the past few decades diabetes has emerged as an important non-communicable disease in subsaharan africa (ssa). sight loss from diabetic retinopathy (dr) can be prevented with screening and early treatment. the objective of this paper is to outline the required actions and considerations in the planning and development of dr screening services. methods a multiple-case study app...
Projected increasing demands for timber coupled with reduced harvests on public lands have led to concern among some forest policymakers regarding the adequacy of future U.S. timber supplies. One question concerns the likelihood that prevailing market incentives will induce industrial and nonindustrial private landowners to intensify forest management. We develop empirical models of historical ...
Using growing degree days (GDD) for expression of duration of plants’ developmental stages is preferred over calendar time. Therefore, determination of GDD and zoning of regions is very important for on time and correct agronomic practices and also for better land use. To determine the required GDD for developmental stages of spring safflower cultivars, the data obtained from planting-date ex...
Fenugreek (Trigonella foenum-graecum L.) is used as medicinal plant in many Asian countries and has been reported to have forage quality similar to alfalfa. Fenugreek is an annual crop and may have the potential to diversify forage production systems in the central High Plains. This study evaluated forage dry matter (DM) production and the nutritive value of three fenugreek cultivars as influen...
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