نتایج جستجو برای: exchangeable potassium
تعداد نتایج: 81121 فیلتر نتایج به سال:
Sugarcane (Saccharum officinarum L.) and rotational crops have been cultivated without potassium fertilizers for many years in southwestern Iran. Although potassium was removed from this soil, no response has been reported to K fertilizers by crops. This study was conducted to evaluate the effects of wetting and drying, and cultivation systems on potassium fixation in some Khouzestan soils. Th...
The effect of compost made from chicken droppings and fish bones on soil quality tomato production was evaluated. Bokito (Central Region-Cameroon) amended with four variants C1, C2, C3 C4 at 5%, 10%, 15% compost/soil (w/w). experimental device completely randomized en bloc 5 repetitions for each treatment. physicochemical, biological biochemical parameters soils, as well were evaluated.
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Potassium (K) is essential for plant growth and vital soil health. However, despite high crop demand, K fertilization continues to be ignored or severely inadequate in Indian agriculture. Over time, this could lead severe depletion of reserve, irreversibly alter K-bearing minerals, adversely affect fertility productivity. Hence, we should comprehensively assess the alarming situation mining Ind...
A random partition of the positive integers is called partially exchangeable if for each finite sequence of positive integers n,, ... , nk, the probability that the partition breaks the first n1 + + nk integers into k particular classes, of sizes nl,.. . ., nk in order of their first elements, has the same value p(nl,...,nk) for every possible choice of classes subject to the sizes constraint. ...
Consider a (possibly infinite) exchangeable sequence X= {Xn : 1≤ n < N}, where N ∈ N ∪ {∞}, with values in a Borel space (A,A), and note Xn = (X1, . . . ,Xn). We say that X is Hoeffding decomposable if, for each n, every square integrable, centered and symmetric statistic based on Xn can be written as an orthogonal sum of n U statistics with degenerated and symmetric kernels of increasing order...
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