Belowground fertilization is a prevalent strategy for considerable grain yield and N utilization. However, the optimal depth remains uncertain in paddies, especially slow/controlled release fertilizers. This study aimed to clarify effect of deep “controlled-release blended fertilizer” (CRBF) on rice (Oryza sativa L.) Two N-fertilizer types were selected (a) urea (b) CRBF, both combined at three...

Field experiments were conducted to study the effect of organic matrix based slow release fertilizers (SRFs) on plant growth, nitrate assimilation and seed yield of Brassica juncea L. cv, pusa bold. The agro-waste materials like cow dung, clay soil, neem leaves and rice bran were mixed together in 2:2:1:1 ratio and used as organic matrix for the immobilization of chemical fertilizer nutrients w...

A study was conducted to determine the efficacy of applying ground magnesium limestone (GML) or ground basalt in combination with bio-fertilizer to sustain rice production on an acid sulfate soil in Malaysia. Soils from Kelantan Plains, Malaysia, were treated with GML, ground basalt, bio-fertilizer, GML + bio-fertilizer, and ground basalt + bio-fertilizer (4 t ha 1 each). Results showed that so...

Rice (Oryza sativa L.) is the most important food crop not only in Asia but also entire world. Over past several decades, conventional fertilizer application for rice has caused loss of nutrients, which could lead to a series environmental problems such as eutrophication and greenhouse effects. The emergence slow controlled-release fertilizers provides new option more efficient fertilization ri...

Low nitrogen (N) use efficiency from urea fertilizers due to environmental losses results in high cost of for agricultural productions. Coating with biodegradable polymers makes them effective control and efficient N release. In this study, starch polyvinyl alcohol (PVA) were used combination acrylic acid (AA), citric (CA) maleic (MA) the coating prills. Different formulations prepared applied ...

Fertigation is one of alternative measures not only to ensure crop yield but also improve nutrient use efficiency. In this work, we evaluated growth and yield, uptake nitrogen efficiency upland carrot. To do our goal, various basal fertilizers (single chemical slow release) fertigations were employed based on the result soil diagnosis, detail was as follows; basal:fertigation = 100:0, 50:50, 30...