1) low available phosphorous
低有效磷
1.
Safety of laying type chickens continuously fed low protein and low available phosphorous (AP) and efficiency of phytase supplementation were studied.
对蛋用鸡连续饲喂低蛋白低有效磷饲粮的安全性及添加植酸酶的效果进行了探讨。
2) available P
有效磷
1.
Effects of sulfur application on the growth of cole,soil pH and available P in alkaline soil;
碱性土壤施硫磺对油菜生长、土壤pH和有效磷含量的影响
2.
The concentrations of available P in soil were significantly affected by the application of red mud baked at different temperatures.
实验室模拟研究了0、300、500、700℃和900℃不同温度焙烧处理的赤泥对土壤有效磷释放的影响。
3) available phosphorus
有效磷
1.
Status of soil organic matter and available phosphorus of maize cropping land and the relationship between the two nutrients and yield levels of maize in Shenyang city;
沈阳市玉米主产区土壤有机质和有效磷含量及其与玉米产量水平之间的关系
2.
Research advance in determining methods of available phosphorus in plant feedstuffs for swine;
猪用植物性饲料中有效磷测定方法的研究进展
3.
A study on optimum level of available phosphorus in 0～6 week young hens fed corn soybean based diets;
蛋雏鸡有效磷适宜水平的研究
4) Olsen-P
有效磷
1.
The results showed: PA was good at increasing the concentration of Olsen-P in black soil.
结果显示,活化剂具有很好的增加土壤中有效磷的能力,在不同的温度条件下作用效果不同,施肥条件下,高温加速磷的固定。
2.
The mean value of Soil organic matter, Olsen-P and HA-K was 17.
其中,有机质含量达到17 1g/kg,有效磷和有效钾含量分别达到78 9mg/kg和144 5mg/kg。
5) Effective phosphorus
有效磷
1.
In this paper, quick determination of the content of the effective phosphorus in the new calcium superphosphate by means of potentiometric titration has been researched.
研究了用电位滴定法快速测定新鲜过磷酸钙磷肥中有效磷含量的方法 。
2.
Analyzing method for content of effective phosphorus was also discussed.
根据过磷酸钙的特性 ,阐述在施用时如何减少化学固定 ,增进肥效 ,提高磷肥利用率及有效磷含量的分析方法探
3.
The results showed that the similar changed tendency for the contents of total phosphorus,effective phosphorus and different forms of phosphorus in all the samples were found,and they followed the order: grassplot > sediments > bamboo woodland.
结果表明,土样中总磷、有效磷及不同形态磷的含量均表现出相同的变化趋势,由高到低依次为草滩>沉积物>竹林,磷的有效性为25。
6) available phosphate
有效磷
1.
The content of organic matter, alkaline hydrolytic nitrogen and available phosphate were determined for understanding the present farmland soil fertility in Fengcheng City, and the soil fertility level and change law in the whole city were analyzed as well.
为了解凤城市耕地土壤的肥力现状,测定土壤中有机质、碱解氮、有效磷等养分含量,并对全市土壤肥力水平及变化规律进行分析。
2.
The primary results were as follows:(1) The concentration of available phosphate of the soils increased significantly with the increasing of Fe(II) during the anoxic incubating process.
设法增加土壤有效磷含量，是大幅度提高水稻产量的有效途径。
补充资料：低磷生铁
分子式：
CAS号：
性质：含磷量较低(一般应低于0.03％)的生铁，用于冶炼低磷钢、极低磷钢。适当的含磷量可增加金属液体的流动性，提高钢的强度、耐大气腐蚀等性能。但含磷量超过一定范围会损害钢铁的塑性、韧性、焊接性、电磁性能等。生产低磷钢、极低磷钢必须使用低磷生铁。高炉炼铁时对磷含量不能作任何控制，生铁中的含磷量完全取决于所用的原料，所以冶炼低磷生铁必须选用含磷低的铁矿石，或者进行铁水预处理，降低其含磷量。
CAS号：
性质：含磷量较低(一般应低于0.03％)的生铁，用于冶炼低磷钢、极低磷钢。适当的含磷量可增加金属液体的流动性，提高钢的强度、耐大气腐蚀等性能。但含磷量超过一定范围会损害钢铁的塑性、韧性、焊接性、电磁性能等。生产低磷钢、极低磷钢必须使用低磷生铁。高炉炼铁时对磷含量不能作任何控制，生铁中的含磷量完全取决于所用的原料，所以冶炼低磷生铁必须选用含磷低的铁矿石，或者进行铁水预处理，降低其含磷量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条