primary nutrients 中文意思是什麼
primary nutrients
解釋
主要營養素-
Through quantitative comparison of the salinity, temperature, wind, wave, current, tide, biogenesis elements, and rare elements of coral reef in the coral reef zone of the nansha islands in china with these in the open sea, it is found that the nutrients and primary productivity in the coral reef are several dozen or several hundred times higher than those in the open sea. it is indicated that, given sufficient sunlight, the coral reef eco - environment could provide very intense photosynthesis, thus pointing to the important reason why the coral reef zone is highly productive
根據中國南沙群島珊瑚礁區的溫度、鹽度、風、浪、流、潮、生源要素、稀有元素分析並與礁外海域定量比較，得出珊瑚礁區的營養物質和初級生產力比敞海高出幾十倍到幾百倍，表明只要有充足的陽光，珊瑚礁生態環境就可以提供十分強烈的光合作用，從而證明了珊瑚礁海區高生產力的重要原因。 -
The aggregates, composed of the primary particles, retain sufficient water and nutrients.
由原顆粒組成的團聚體要能保持充分的水分和養分。 -
Most highly weathered and leached upland soils in s. e asia are so deficient in primary nutrients that economic yields of healthy crops cannot be produced, unless nutrients are added to the soil
東南亞大多數高度風化和淋溶的旱地土壤主要養分貧乏，以致除非向土壤施加養分，否則不可能獲得健康作物的經濟產量。 -
On one hand fertilizer rate must be in accordance with soil fertility and crop ' s nutrient property ; on the other application should abide by the principle of combining the organic manure with inorganic nutrients and primary with secondary and micro - nutrients
一方面施肥量必須與土壤肥力和作物養分特徵一致；另一方面應當有機肥與無機養分配合施用，大量元素、中量元素和微量元素配合施用。
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