Results 21 to 30 of about 7,676,313 (294)

Effect of Mg-Modified Waste Straw Biochar on the Chemical and Biological Properties of Acidic Soils

open access: yesMolecules, 2023
Biochar is important for soil improvement, fertilizer innovation, and greenhouse gas reduction. In this paper, Mg-modified biochar was prepared from rice and corn straw and mixed with soil at a 1% (w/w) addition in an indoor soil simulation experiment to
Zhigao Liu   +4 more
doaj   +1 more source

Ruzigrass affecting soil-phosphorus availability [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2013
The objective of this work was to evaluate the effectiveness of ruzigrass (Urochloaruziziensis) in enhancing soil-P availability in areas fertilized with soluble or reactive rock phosphates. The area had been cropped for five years under no-till, in a system involving soybean, triticale/black-oat, and pearl millet.
Merlin, Alexandre   +2 more
openaire   +6 more sources

Effects of dual mulching with wheat straw and plastic film under three irrigation regimes on soil nutrients and growth of edible sunflower

open access: yesAgricultural Water Management, 2023
Mulching is an important practice to reduce soil water loss and improve productivity in agriculture. To investigate the influence of dual mulching with crushed wheat straw padding and plastic film combined with different irrigation amounts on soil ...
Jinxia Zhang   +9 more
doaj   +1 more source

Soil pH and Nutrient Characteristics of Newly-added Cultivated Land in Heyang, China [PDF]

open access: yesE3S Web of Conferences, 2020
In order to understand the soil pH and main nutrient characteristics of newly added cultivated land in the eastern part of Guanzhong, and 160 soil samples were collected in 2016, the soil pH, organic matter, total nitrogen, available phosphorus and ...
Li Gang   +5 more
doaj   +1 more source

Evaluation of chemical amendments to control phosphorus losses from dairy slurry [PDF]

open access: yes, 2011
peer-reviewedLand application of dairy slurry can result in incidental losses of phosphorus (P) to runoff in addition to increased loss of P from soil as a result of a buildup in soil test P (STP). An agitator test was used to identify the most effective
Brennan, Raymond B.   +3 more
core   +1 more source

Evaluation of Amendments to Control Phosphorus Losses in Runoff from Dairy-Soiled Water [PDF]

open access: yes, 2011
peer-reviewedAmendments with the potential to reduce phosphorus (P) losses from agricultural grassland arising from the land application of dairy-soiled water (DSW) were investigated.
Healy, Mark Gerard   +6 more
core   +1 more source

Assessment of soil quality indicators and phosphorus status of the land resources on both sides of Sohag-Safaga highway, Eastern Desert, Egypt [PDF]

open access: yesArchives of Agriculture Sciences Journal, 2021
Reclamation of desert lands in Egypt has become an urgent necessity to increase both the cultivated area and the agricultural production. Wherefore, the objective of this study was to evaluate the physical and chemical properties as well as the available
Reham Gomaa   +3 more
doaj   +1 more source

Distribution and relationship of phosphorus content in flue-cured tobacco leaf and phosphorus content in soil in Hunan tobacco-growing areas

open access: yes浙江大学学报. 农业与生命科学版, 2007
The phosphorus contents for 308 flue-cured tobacco leaf samples and 1342 soil samples were determined in Hunan tobacco-growing areas, and their distribution and relationship were analyzed.
XU Zi-cheng, WANG Lin, XIAO Han-qian
doaj   +1 more source

Spatio-temporal variation characteristics of soil pH, nitrogen, phosphorus and potassium nutrients in Wenling City of Zhejiang Province

open access: yes浙江大学学报. 农业与生命科学版, 2021
Spatio-temporal variation characteristics of soil pH, soil organic matter, total nitrogen, available phosphorus and available potassium contents were determined in Wenling City of Zhejiang Province in 2006 and 2017, respectively, using the analysis ...
CHEN Jian, DING Anna, SHI Jiachun
doaj   +1 more source

Impact of chemical amendment of dairy cattle slurry on phosphorus, suspended sediment and metal loss to runoff from a grassland soil [PDF]

open access: yes, 2011
peer-reviewedEmerging remediation technologies such as chemical amendment of dairy cattle slurry have the potential to reduce phosphorus (P) solubility and consequently reduce P losses arising from land application of dairy cattle slurry. The aim of this
Brennan, Raymond B.   +11 more
core   +1 more source

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