Results 31 to 40 of about 109,011 (253)
Micronutrient deficiencies in African soils and the human nutritional nexus: opportunities with staple crops [PDF]
, 2020 A synthesis of available agronomic datasets and peer-reviewed scientific literature was conducted to: (1) assess the status of micronutrients in sub-Saharan Africa (SSA) arable soils, (2) improve the understanding of the relations between soil quality ...
Bolo, Peter Omondi +4 more
core +1 more source
NPK Fertilizer With Slow Release Fly Ash [PDF]
The Journal of Pure and Applied Chemistry Research, 2018 Fly ash is the solid of the remaining coal combustion carried along with the exhaust gas and captured by the air controller. Fluids in fly ash are Al2O3, SiO2, Fe2O3, CaO, MgO, Na2, and SO3 which are similar to zeolites. So that fly ash can be used as a substitute for zeolite for various carrier of fertilizer.
Nadhira Izzatur Silmi +5 more
openaire +2 more sources
Известия высших учебных заведений России: Радиоэлектроника, 2018 The article investigates ways to expand the dynamic range of broadband microwave receiving devices. The task is to lim-it the output signals while increasing the upper boundary of the dynamic range by the criterion of the thirdorder inter-modulation ...
S. A. Bogdanov +3 more
doaj +1 more source
Caraka Tani: Journal of Sustainable Agriculture, 2020 The need of nitrogen (N), phosphate (P) and potassium (K) nutrient in oil palm nursery are usually fulfilled with synthetic chemical fertilizers such as NPK fertilizer.
Cahyo Adileksana +3 more
doaj +1 more source
EFFECT OF NPK AND GIBBERELLIC ACID ON GROWTH AND QUALITY OF CYCAS REVOLUTA”THUNB.” [PDF]
Scientific Journal of Flowers and Ornamental Plants, 2016 A series of pot experiments was consummated in open field at the nursery of Hort. Res. Inst., Giza, Egypt during 2014 and 2015 seasons to find out the effect of NPK at 2 g/pot, gibberellic acid at 500, and 1000 ppm concentrations (as a foliar spray 6 ...
Boshra El-Sayed +3 more
doaj +1 more source
FIGEMPA, 2019 El presente estudio analizó los componentes químicos y biológicos de los lodos generados en el sistema de tratamiento de aguas residuales industriales en una extractora de aceite crudo de palma, determinando la peligrosidad e identificando el destino ...
Paúl Nicandro Malacatus-Cobos +2 more
doaj +1 more source
Caraka Tani: Journal of Sustainable Agriculture, 2020 Spent Bleaching Earth (SBE) is a by-product of the refining of Crude Palm Oil (CPO) into cooking oil which is classified as hazardous and toxic materials waste. SBE has the potential to be used as a filler in the production of NPK fertilizer.
Radinal Arief Sinaga +2 more
doaj +1 more source
NPK: ESSENTIALS FOR SUSTAINABILITY
Química Nova, 2019 Human population growth and development has been largely dependent on non-renewable natural resources, which cannot be indefinitely sustained. Beyond, coal and other abundant resources cannot continue to be used at current rates due to their impact on the environment and climate.
Galembeck, Fernando +2 more
openaire +4 more sources
Quality of Cabbage and Kohlrabi Depending on the Fertilizing Regime and Use of Mulch
Contemporary Agriculture, 2022 Cabbage (Brassica oleracea var. capitata) and kohlrabi (Brassica oleracea Gongylodes group) take a very important place in vegetable farming around the world. Obtaining good-quality plants with minimal inputs is imperative in production.
Putnik-Delić Marina +5 more
doaj +1 more source
Bioeksperimen: Jurnal Penelitian Biologi, 2023 Azolla mycrophylla, Cherry leaves and tea waste are organic materials that have potential as liquid organic fertilizers because they are able to bind nitrogen from the air and contain high potassium.
Aminah Asngad +3 more
doaj +1 more source